chemistry Crossword Puzzles

Chemistry Puzzle 2024-09-11

Chemistry Puzzle crossword puzzle
Across
  1. A solution with a pH lower than 7
  2. Table of elements arranged by increasing atomic number
  3. A gas needed for combustion
  4. Organic compound mainly made of carbon and hydrogen
  5. A pure substance made of only one kind of atom
  6. Smallest unit of an element
  7. Scientist who proposed atomic theory
  8. Father of the periodic table
  9. A type of chemical reaction that absorbs heat
  10. The simplest and lightest element
  11. A positively charged ion
  12. Atomic number of Oxygen
  13. Scientist who discovered radioactivity
  14. Type of bond formed by sharing electrons
Down
  1. Process of a solid turning directly into gas
  2. Table that organizes elements
  3. Negatively charged particle
  4. Type of reaction where heat is released
  5. Law Law relating the pressure and volume of a gas
  6. Measure of an atom's attraction for electrons
  7. The chemical symbol for gold
  8. Measurement unit of the amount of substance
  9. Amedeo, known for a gas law

23 Clues: Atomic number of Oxygen • A positively charged ion • Negatively charged particle • A gas needed for combustion • Smallest unit of an element • Amedeo, known for a gas law • The chemical symbol for gold • Father of the periodic table • Table that organizes elements • A solution with a pH lower than 7 • The simplest and lightest element • Scientist who proposed atomic theory • ...

Basic Chemistry 2024-09-13

Basic Chemistry crossword puzzle
Across
  1. component of all organic molecules. page 26
  2. Table Listing of elements. page 24
  3. Most useful form of energy in living systems.page 24
  4. average age of the relative weights of all isotopes. page 28
  5. Have a definite shape and volume. page 24
  6. The movement of charged particles.page 24
  7. Neither definite shape or volume. Page 24
  8. component of both organic and inorganic molecules. page 26
  9. sum of the masses of its protons and neutrons. page 27
  10. name given to something that has two poles of charge. page 34
  11. when bonds are both made and broken. page 36
  12. particles are larger than in a solution. page 29
  13. Energy in Action. page 24
  14. Stored energy. page 24
  15. Anything that occupies space and has mass. Page 24
  16. gains stability by losing one electron. page 32
  17. equal to the number of protons in it's nucleus. page 27
  18. particles do not settle out or scatter light. page 29
  19. unequal electron pair sharing
  20. a substance composed of two or more components physically intermixed. page 29
  21. Stored in bonds of chemical substances. page 24
  22. bonds are broken in larger molecules. page 36
  23. All matter is composed of it. page 25
  24. Have definite volume but takes the shape of its container. page 24
  25. positively charged. page 25
  26. Process of atomic decay
  27. the reactant accepting electrons is said to be. page 36
Down
  1. found as salt in bones and teeth. page 26
  2. Energy directly involved in moving matter. page 24
  3. Isotopes that experience atomic decay. page 28
  4. influences the pH of body fluids. page 26
  5. a heterogenous mixture that tends to settle out. page 30
  6. combination of atoms held together by chemical bonds. page 28
  7. elements that have multiple structural variations. page 27
  8. Contains protons and neutrons bound together. page 25
  9. when atoms attract electrons very strongly. page 34
  10. a substance that increases the rate of chemical reactions without themselves becoming chemically changed. page 38
  11. sharing of electrons. page 32
  12. negatively charged. page 25
  13. Each element is composed of it. page 24
  14. where an electron is most likely to be found. page 26
  15. occurs whenever chemical bonds are formed. page 35
  16. when atoms bind. page 28
  17. small particles bond to form larger, more complex molecules. page 36
  18. component of muscle proteins. page 26
  19. component of proteins and nucleic acids. page 26
  20. Capacity to do work.Page 24
  21. complete transfer of electrons.page 34
  22. reactions that release energy. page 37
  23. the reactant losing the electrons is said to be. page 36

50 Clues: Stored energy. page 24 • Process of atomic decay • when atoms bind. page 28 • Energy in Action. page 24 • negatively charged. page 25 • Capacity to do work.Page 24 • positively charged. page 25 • sharing of electrons. page 32 • unequal electron pair sharing • Table Listing of elements. page 24 • component of muscle proteins. page 26 • All matter is composed of it. page 25 • ...

Chemistry Revision 2024-07-19

Chemistry Revision crossword puzzle
Across
  1. - Center of an atom containing protons and neutrons (7)
  2. - Elements typically found on the left side of the periodic table (6)
  3. - Positively charged particles in an atom's nucleus (7)
  4. - Essential for respiration, atomic number 8 (6)
  5. - Halogen, used in disinfectants, atomic number 17 (8)
  6. - Basic units of matter (5)
  7. - Vertical groups in the periodic table (7)
  8. - Scientist who created the first periodic table (9)
  9. - Noble gas with atomic number 2 (6)
  10. - Negatively charged particle found in shells around the nucleus (8)
  11. - Basis for organic life, atomic number 6 (6)
  12. - Alkali metal, atomic number 11 (6)
  13. - Energy levels where electrons are found (14)
  14. - Lightest element, atomic number 1 (8)
Down
  1. - Another term for a vertical column in the periodic table (5)
  2. - Pure substances consisting of only one type of atom (8)
  3. - Atoms of the same element with different numbers of neutrons (8)
  4. - Chart organizing all known elements by atomic number (12)
  5. - Transition metal, atomic number 26 (4)
  6. - Number of protons in an atom (12)
  7. - Alkaline earth metal, important for bones, atomic number 20 (7)
  8. - Neutral particles found in the nucleus of an atom (8)
  9. - Scientist who proposed the model of the atom with electrons in shells (4)
  10. - Noble gas, atomic number 10 (4)
  11. - Horizontal lines in the periodic table (4)

25 Clues: - Basic units of matter (5) • - Noble gas, atomic number 10 (4) • - Number of protons in an atom (12) • - Noble gas with atomic number 2 (6) • - Alkali metal, atomic number 11 (6) • - Lightest element, atomic number 1 (8) • - Transition metal, atomic number 26 (4) • - Vertical groups in the periodic table (7) • - Horizontal lines in the periodic table (4) • ...

Chemistry Crossword 2024-05-30

Chemistry Crossword crossword puzzle
Across
  1. objects that have both mass and volume
  2. if you have this then you feel the electric force
  3. subatomic particle with a positive charge
  4. group of atoms put together
  5. the ___ gases are very hard to react with chemically
  6. the atoms of an ___ are all the same
  7. the ___ metals are the largest family of elements
  8. particles that are the smallest piece of matter
  9. the movement of electrons
  10. this is the first element
Down
  1. the ___ number tells you how many protons there are in the atom
  2. the ___ share properties of metals and nonmetals
  3. subatomic particle with a negative charge
  4. a column on the periodic table
  5. the ___ have low conductivity and are soft or gases
  6. subatomic particle with no charge
  7. a row on the periodic table
  8. the ___ table is a way to organize the elements
  9. these metals are in the first group of the periodic table
  10. the study of how atoms and molecules behave
  11. the place in an atom where the protons and neutrons are
  12. these metals are in the second group of the periodic table

22 Clues: the movement of electrons • this is the first element • a row on the periodic table • group of atoms put together • a column on the periodic table • subatomic particle with no charge • the atoms of an ___ are all the same • objects that have both mass and volume • subatomic particle with a negative charge • subatomic particle with a positive charge • ...

Crossword Chemistry 2024-07-29

Crossword Chemistry crossword puzzle
Across
  1. โครงสร้างของสารประกอบที่เกิดการเชื่อมต่อกันเป็นร่างแห
  2. ใช้แก้วิงเวียน
  3. กรดในน้ำส้มสายชู
  4. พอลิเมอร์ที่เกิดจากมอนอเมอร์ชนิดเดียวกันทั้งหมด
  5. หน่วยเล็กๆของสารในพอลิเมอร์
  6. พอลิเมอร์ที่เกิดขึ้นเองตามธรรมชาติ เช่น แป้ง
  7. ผู้ค้นพบรังสีเรเดียม
  8. สารที่เมื่อละลายน้ำแล้วจะนำไฟฟ้าได้
  9. กรดมะนาวในอุตสาหกรรม
  10. สารที่ใช้บอกความเป็นกรด-เบส ของสารละลาย
  11. ปฏิกิริยาเคมีที่เกิดขึ้นในพืช
  12. สูตรโมเลกุลของกรดในกระเพาะอาหาร
  13. กรดที่พบในมะขามป้อม ฝรั่ง
  14. พอลิเมอร์ที่เกิดจากการสังเคราะห์โดยปฏิกิริยาเคมี
  15. กรดที่ใช้กำจัดสนิม
  16. ใช้กำจัดไขมันและสิ่งสกปรกจากไขมันในท่อน้ำทิ้ง
Down
  1. คล้ายพอลิเอทิลีนแต่แข็งแรงกว่า ใช้ทำที่หุ้มสายไฟฟ้า
  2. การได้รับอิเล็กตรอน การลดลงของสถานะออกซิเดชันของสารเคมี
  3. มีรสเปรี้ยว กัดกร่อนโลหะ
  4. เป็นสารประกอบไฮโดรคาร์บอนประเภทอิ่มตัว
  5. ผู้ค้นพบธาตุกัมมันตรังสี
  6. รังสีที่มีอำนาจในการทะลุทลวงสูง
  7. พอลิเมอร์ที่ใช้ทำเส้นใยทอเสื้อผ้า
  8. กรดที่ใช้ทำน้ำยาล้างห้องน้ำ ล้างผิวโลหะ
  9. ใช้ทำผงชูรส
  10. กรดในน้ำอัดลม
  11. พอลิเมอร์ที่ประกอบด้วยมอนอเมอร์ชนิดต่างกัน
  12. ปฏิกิริยาการทำให้เกิดพอลิเมอร์
  13. เรียกอีกอย่างว่ากรดมด ใช้ในปศุสัตว์
  14. ใช้แก้ดินเปรี้ยว สูตรเคมี Ca(OH)2
  15. พอลิเมอร์สังเคราะห์ที่ใช้เป็นประโยชน์มากที่สุด
  16. ปฏิกิริยาเคมีที่ทำให้อะตอมหรือโมเลกุลมีการสูญเสียอิเล็กตรอน
  17. รังสีที่มีความสามารถในการทะลุทะลวงต่ำ ไม่สามารถทะลุผ่านแผ่นกระดาษได้
  18. กรดที่ใช้ผลิตปุ๋ย สูตรโมเลกุล H2SO4
  19. กรดที่ใช้ทำน้ำยาล้างตา
  20. กรดที่ทำให้โยเกิร์ตเปรี้ยว
  21. อนุภาพอิเล็กตรอนที่ถูกปล่อยจากนิวเคลียสขณะเกิดการสลายกัมมันตรังสี
  22. กลุ่มอะตอมของธาตุชนิดเดียวกัน มีเลขอะตอมเท่ากัน เลขมวลต่างกัน
  23. กรดที่ใช้สร้างโปรตีน
  24. พลาสติกที่มีสีขาวขุ่น โปรงแสง เหนียวหยุ่นตัวได้

40 Clues: ใช้ทำผงชูรส • กรดในน้ำอัดลม • ใช้แก้วิงเวียน • กรดในน้ำส้มสายชู • กรดที่ใช้กำจัดสนิม • ผู้ค้นพบรังสีเรเดียม • กรดมะนาวในอุตสาหกรรม • กรดที่ใช้สร้างโปรตีน • กรดที่ใช้ทำน้ำยาล้างตา • มีรสเปรี้ยว กัดกร่อนโลหะ • ผู้ค้นพบธาตุกัมมันตรังสี • กรดที่พบในมะขามป้อม ฝรั่ง • กรดที่ทำให้โยเกิร์ตเปรี้ยว • หน่วยเล็กๆของสารในพอลิเมอร์ • ปฏิกิริยาเคมีที่เกิดขึ้นในพืช • ปฏิกิริยาการทำให้เกิดพอลิเมอร์ • ...

Chemistry Vocabulary 2024-09-27

Chemistry Vocabulary crossword puzzle
Across
  1. Last name of scientist who discovered the neutron
  2. Transfer of heat through WAVES
  3. Part of the atom composed of neutrons and protons
  4. Last name of scientist who discovered the electron
  5. Transfer of heat through CURRENTS
  6. measurement of chaos in the universe
  7. Subatomic particle with NO charge
  8. Last name of scientist who suggested the IDEA of an atom
  9. type of electron that are on the outside of the orbital rings
  10. same amount of protons, different amount of neutrons
  11. Controversial scientist that discovered the uncertainty principle
  12. Unit that is composed of Neutrons, Electrons, and Protons
  13. Subatomic particle with NEGATIVE charge
Down
  1. Lambda measurement in equation for specific heat
  2. Transfer of heat through TOUCHING
  3. Can have a positive or negative charge depending on electron amount
  4. Last name of scientist who discovered the orbiting of atoms
  5. Type of motion as potential energy is lost
  6. change in energy during a reaction
  7. Created the model of the atom that we know and use today
  8. Every substance is composed of these and every atom is a representation of the type of _____
  9. Subatomic particle with POSITIVE charge
  10. Electron ____ discovered by heisenberg
  11. type of Table that includes all elements
  12. Type of motion as Kinetic energy is lost

25 Clues: Transfer of heat through WAVES • Transfer of heat through TOUCHING • Transfer of heat through CURRENTS • Subatomic particle with NO charge • change in energy during a reaction • measurement of chaos in the universe • Electron ____ discovered by heisenberg • Subatomic particle with POSITIVE charge • Subatomic particle with NEGATIVE charge • ...

Chemistry Definitions 2024-10-31

Chemistry Definitions crossword puzzle
Across
  1. The family that lithium is in
  2. the family that neon is in
  3. A bond between two different elements
  4. A molecule that is symmetrical
  5. A phase change from solid to gas
  6. Subatomic particle with no charge
  7. A mixture that is uniform in composition
  8. Mrs. Kordvanis favorite element
  9. The family that fluorine is in
  10. A reaction that breaks down a compound
  11. A reaction that involves a hydrocarbon
  12. Chaos or disorder
  13. The family that copper is in
Down
  1. The phase of matter with the biggest distance between the particles
  2. The family that calcium is in
  3. A phase change from gas to solid
  4. The subatomic particle that determines the atomic number
  5. A mixture of water and sand
  6. Subatomic particle in the energy levels
  7. The strongest intermolecular force. Also the name of an element.
  8. The bond that forms when electrons are shared
  9. The number within a compound
  10. The bond that forms when electrons are transferred

23 Clues: Chaos or disorder • the family that neon is in • A mixture of water and sand • The number within a compound • The family that copper is in • The family that lithium is in • The family that calcium is in • A molecule that is symmetrical • The family that fluorine is in • Mrs. Kordvanis favorite element • A phase change from gas to solid • A phase change from solid to gas • ...

Chemistry Tripodis 2021-02-25

Chemistry Tripodis crossword puzzle
Across
  1. when two or more elements are chemically combined
  2. compound with only non-metals
  3. elements in the same vertical column
  4. the amount of matter per unit volume
  5. a type of bond where electrons are shared between atoms
  6. subatomic particles with a positive charge
  7. these gases are unreactive
  8. quantity of matter
  9. ability to be drawn into long thin wires
  10. this type of element is not a good conductor
  11. small particles that make up an atom
  12. electrons _________ in an ionic bond
  13. is made of one type of particle
  14. compound with a metal and a non-metal
Down
  1. the ability of a substance to be hammered or bent into different shapes
  2. the lightest element
  3. how much space a substance takes up
  4. contains two different pure substances or particles
  5. this chemical family includes poisonous gases
  6. how easily a liquid flows
  7. Elements are arranged in the periodic table according to their __________ number.
  8. only one visible part in the mixture
  9. the row of a periodic table
  10. ____________change involves the production of a new substance
  11. this type of element is shiny and a good conductor of electricity
  12. orbit the nucleus of an atom
  13. the smallest unit of an element that has all of its properties
  14. anything that has mass and occupies space

28 Clues: quantity of matter • the lightest element • how easily a liquid flows • these gases are unreactive • the row of a periodic table • orbit the nucleus of an atom • compound with only non-metals • is made of one type of particle • how much space a substance takes up • elements in the same vertical column • the amount of matter per unit volume • only one visible part in the mixture • ...

Chemistry Vocab 2021-01-25

Chemistry Vocab crossword puzzle
Across
  1. Property - A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
  2. The characteristic of being able to attract because of an electrical force
  3. The characteristic of a slow moving sticky substance
  4. Point - Temperature at which a liquid substance becomes a gas.
  5. The ability to be hammered or pressed down
  6. - Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
  7. - A solid substance that forms from a chemical reaction that takes place in a liquid solution.
  8. - Measure of the amount of matter in an object.
  9. The ability to produce electricity
  10. - A chemical substance that produces hydroxide ions in solution and tastes bitter.
  11. - A chemical substance that produces hydrogen ions in solution and tastes sour.
  12. The ability to be drawn out into thin wires
Down
  1. The ability to rust do to oxygen
  2. Change - Process where one or more substances are altered into new and different substances.
  3. Reaction - Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
  4. Point - Temperature at which a solid substance becomes a liquid.
  5. - The readiness of a substance to produce hydrogen ions.
  6. - The amount of matter in a defined volume. (density = mass/volume)
  7. Change - A type of change in which the form of matter is altered but one substance is not transformed into another.
  8. - Chemical reaction in which thermal energy is released.
  9. - Chemical reaction in which thermal energy is absorbed.
  10. - The external features of a substance.
  11. - Property of a substance relating to how easily it reacts with other substances.
  12. - The readiness of a substance to produce hydroxide ions.
  13. - Property of a substance defining how easily it ignites and burns.
  14. Property - A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
  15. - Measure of acidity or basicity of a substance.
  16. - The characteristic smell of a substance.
  17. - The amount of space an object occupies.

29 Clues: The ability to rust do to oxygen • The ability to produce electricity • - The external features of a substance. • - The amount of space an object occupies. • The ability to be hammered or pressed down • - The characteristic smell of a substance. • The ability to be drawn out into thin wires • - Measure of the amount of matter in an object. • ...

Chemistry Crossword 2021-02-11

Chemistry Crossword crossword puzzle
Across
  1. Carbon, Oxygen, and Hydrogen must all be present in this reaction.
  2. Covalent compounds have _____ bonds.
  3. Most nonmetals that form ionic bonds have _____ to seven valence electrons.
  4. __Al + 3O2 → 2Al2O3 (write it in word form).
  5. these kinds of substances contain one type of atom.
  6. If a solid responds in the same way from forces in all directions it can be classified as _______.
  7. A type of homogeneous mixture that has microscopically dispersed particles between one to a thousand nanometers.
  8. All solids are sorted into two categories: Crystalline and _____.
  9. the center of the atom where protons and neutrons are found.
  10. Pure substances include elements and _______.
  11. In chemicals equations both sides must be balanced to achieve _______.
  12. C2H4 + 3O2 → __CO2 + 2H2O (write it in word form).
Down
  1. Orange juice is an example of a ___________ mixture.
  2. All solids get their characteristics from the arrangement of electrons, their chemical bonds, and their __________ bonds.
  3. A type of mixture that is not uniform in terms of composition.
  4. Melting ice cream is an example of this type of change.
  5. Unexpected color change, release of energy, and unexpected temperature change are all _______ of a chemical change.
  6. The atoms and molecules in amorphous solids are arranged ______.
  7. 2H2 + O2 → 2H2O is an example of a _______ reaction.
  8. Ionic compounds always have a crystal _______ structure.
  9. A type of chemical bond formed when atoms share electrons.
  10. These types of mixture are not evenly distributed and can be separated by a physical process.
  11. Ionic compounds usually have _____ melting and boiling points.
  12. An atom is mainly made out of _____ space.
  13. _______ compounds are formed when the electrons from metals are transferred over to nonmetals.

25 Clues: Covalent compounds have _____ bonds. • An atom is mainly made out of _____ space. • __Al + 3O2 → 2Al2O3 (write it in word form). • Pure substances include elements and _______. • C2H4 + 3O2 → __CO2 + 2H2O (write it in word form). • these kinds of substances contain one type of atom. • Orange juice is an example of a ___________ mixture. • ...

Advanced Chemistry 2021-02-18

Advanced Chemistry crossword puzzle
Across
  1. Fahrenheit scale (°F) was named after who?
  2. Is the multiplier to convert the quotient into percentage.
  3. Is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
  4. Is the simplest positive integer ratio of atoms present in a compound.
  5. It is what the mass of 1 mol of atoms, in grams defined as.
  6. Is a quantity used to measure how far an object is from the reference point
  7. The standard unit of "volume" in the International System of measurement.
  8. What is the common name for Calcium carbonate(CaCO3)?
  9. Prefix with a decimal equivalent 1,000
  10. Prefix with a decimal equivalent of 0.001
Down
  1. It is the lowest possible value of temperature.
  2. Celsius scale (°C ) was named after who?
  3. Is defined as the measurement system used in many countries including the United States using feet, pounds and seconds.
  4. Tells you by mass what percent of each element is present in a compound.
  5. Prefix with a decimal equivalent of 0.01
  6. Is a system of measurement that uses the meter, liter, and gram as base units of length (distance), capacity (volume), and weight (mass) respectively.
  7. Who is the person in which the name for the basic number for moles "6.022 x 10^23" came from?
  8. What is the chemical formula of "Sodium Chloride"?
  9. The "true" or "correct" formula of the compound
  10. Prefix with a decimal equivalent of 100

20 Clues: Prefix with a decimal equivalent 1,000 • Prefix with a decimal equivalent of 100 • Celsius scale (°C ) was named after who? • Prefix with a decimal equivalent of 0.01 • Prefix with a decimal equivalent of 0.001 • Fahrenheit scale (°F) was named after who? • It is the lowest possible value of temperature. • The "true" or "correct" formula of the compound • ...

REVISING CHEMISTRY 2021-03-05

REVISING CHEMISTRY crossword puzzle
Across
  1. Solid sphere model
  2. Father of modern chemistry
  3. Proposed a theory for the hydrogen atom based on quantum theory
  4. The first to think of the atom
  5. ___ number is the number of protons plus neutrons
  6. atom or group of atoms with electric charge
  7. She won two Nobel prizes
  8. atom or group of atoms with negative charge
  9. _____number is the number of protons
  10. the simplest element
  11. Emission of ionizing radiation or particles
Down
  1. non-metal solids are ___ and fragile
  2. Plum pudding model
  3. She was part of a team that discovered nuclear fission
  4. atom or group of atoms with positive charge
  5. He stated the law of definite proportions
  6. Planetary atomic model
  7. ____ shell is the outermost shell of every element
  8. The Group 1 elements are known as the ____ metals
  9. He discovered neutrons

20 Clues: Plum pudding model • Solid sphere model • the simplest element • Planetary atomic model • He discovered neutrons • She won two Nobel prizes • Father of modern chemistry • The first to think of the atom • non-metal solids are ___ and fragile • _____number is the number of protons • He stated the law of definite proportions • atom or group of atoms with positive charge • ...

Chemistry Vocab 2019-12-02

Chemistry Vocab crossword puzzle
Across
  1. A type of chemical reaction in which a single compound breaks down into two or more elements or new compounds
  2. Type of bond where two atoms share a pair of electrons
  3. Substances being held together by attraction of atoms
  4. A type of chemical bond formed between positively charged atoms in which the free electrons are shared among a lattice of cations
  5. A formula giving each of the elements in one molecule a specific compound
  6. A set of rules to generate systematic names for chemical compounds
  7. Compound where the atoms share electrons through covalent bonds
  8. An exothermic reaction in which something reacts with oxygen
  9. Complete transfer of valence electrons between atoms
  10. A primarily electrostatic force of attraction between a hydrogen atom which is covalently bound to a more electronegative atom or group
  11. A chemical compound composed of ions held together by electrostatic forces
  12. A solid chemical compound consisting of an ionic assembly of cations and anions
  13. Tells us the number of atoms of each element in a compound
  14. A type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound
  15. The ability of a substance, usually a metal, to be deformed or molded into a different shape
  16. Describes the degree of oxidation of an atom in a chemical compound
  17. A chemical reaction where the reactants form products that, in turn, react together to give the reactants back
  18. Bond where the electrons are unequally distributed
  19. Formula which shows the arrangement of atoms in the molecule of a compound
  20. Refers to the separation of charges within a molecule between two covalently bonded atoms or atoms that share an ionic bond
  21. The symbolic representation of a chemical reaction in the form of symbols and formulas
  22. A way of describing the bonding in certain molecules or ions by the creation of line structures
  23. A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  24. The physical property of a material associated with the ability to be hammered thin or stretched into wire without breaking
  25. Notation where only valence electrons of an atom are shown, indicated by dots
  26. Type of bond where a pair of electrons are unequally shared between two atoms
  27. The sum of the atomic weights of the atoms in the empirical formula of the compound
  28. Chemical bond where two or more electron pairs are shared between two atoms
  29. A constant term related to the properties of a product
  30. Amount of energy required to break apart a mole of molecules into its component atoms
Down
  1. A type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products
  2. Sharing of electron pair between atoms
  3. A temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles
  4. Same as Lewis Structure
  5. A charged ion composed of two or more atoms covalently bonded
  6. Chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  7. A visual representation of a reaction using chemical formulas
  8. Chemical bond where one pair of electrons is shared between two atoms
  9. Where two or more chemical species combine to form a more complex product
  10. A series of metals, in order of reactivity from highest to lowest
  11. The result of a model which combines atomic orbitals on a single atom in ways that lead to a new set of orbitals
  12. The charge that atom would have if the compound was composed of ions
  13. Consian ion with the generic formula A. xO z− ysting of one atom
  14. A substance composed of exactly two different elements, which are substances that cannot be simplified further by chemical means
  15. The empirical formula of any ionic or covalent compound
  16. The percentage by mass of each element in a compound
  17. An insoluble solid that emerges from a liquid solution
  18. Happens when atomic orbitals mix to form a new atomic orbital
  19. An ion with the generic formula A. xO z− y
  20. Group of atoms bonded together
  21. A chemical reaction expressed in words rather than chemical formulas
  22. The energy required to separate a mole of an ionic solid into gaseous ions
  23. Acronym for Valence Shell Electron Pair Repulsion theory

53 Clues: Same as Lewis Structure • Group of atoms bonded together • Sharing of electron pair between atoms • An ion with the generic formula A. xO z− y • Bond where the electrons are unequally distributed • Complete transfer of valence electrons between atoms • The percentage by mass of each element in a compound • Substances being held together by attraction of atoms • ...

Chemistry Crossword 2020-12-17

Chemistry Crossword crossword puzzle
Across
  1. compound breaks down into two or more simpler substances
  2. one element replaced by another in a compound
  3. tendency of atom to attract bonded pair of electrons
  4. areas of opposites where electrons are not shared equally
  5. elements that produce magnetic field
  6. atoms of an element with same atomic number but different properties
  7. ion charged with 2 or more elements
  8. property that does not change as the sample size changes
  9. mixture of metals
  10. property that depends on sample size
  11. discovered that electrons move in circular orbits
  12. occurs when 2 substances create a more complex compound
Down
  1. one or more substances converted into one or more different substance
  2. predictable variations in element's atomic structure
  3. discovered the electron
  4. exchanged the cations of two ionic compounds
  5. attraction btwn metal cations and delocalized electrons
  6. an atom/molecule with net negative/positive charge
  7. free-flowing delocalized electrons that run btwn cations
  8. purifying a substance from heating/cooling
  9. temperature where the substance will change from solid to liquid
  10. energy that ana tom must absorb to discharge an atom
  11. a chemical bond involving the sharing of electrons
  12. distance from the center of the nucleus to boundary

24 Clues: mixture of metals • discovered the electron • ion charged with 2 or more elements • elements that produce magnetic field • property that depends on sample size • purifying a substance from heating/cooling • exchanged the cations of two ionic compounds • one element replaced by another in a compound • discovered that electrons move in circular orbits • ...

Chemistry Crossword 2020-12-17

Chemistry Crossword crossword puzzle
Across
  1. Defined an atom as the smallest unit
  2. A chemical bond that involves the sharing of electron pairs between atoms
  3. reaction from the evidence of bubbles, color change, energy change, or precipitation
  4. Discovered the nucleus
  5. 2 or more atoms bonded together (pure substance)
  6. When the layers of the e- are blocking the effect of the nucleus on the outside layers
  7. structure of alternating of cations next to anions, and anions next to cation in an interwoven solid
  8. A measure of the tendency of an atom to attract electrons
  9. Positive for Tyndall effect and settles out
Down
  1. How is the sharing of electrons described
  2. Smallest form (pure substance)
  3. Distance from the nucleus to the boundary of the surrounding electron
  4. when hit the ions shift and repel one another
  5. Discovered electrons
  6. The energy necessary to remove an electron from a neutral atom
  7. Positive for Tyndall effect but doesn't settle out
  8. ending for all ionic compounds
  9. Claimed all matter composed of atoms
  10. rule for naming ionic compounds
  11. uneven sharing of electrons

20 Clues: Discovered electrons • Discovered the nucleus • uneven sharing of electrons • Smallest form (pure substance) • ending for all ionic compounds • rule for naming ionic compounds • Defined an atom as the smallest unit • Claimed all matter composed of atoms • How is the sharing of electrons described • Positive for Tyndall effect and settles out • ...

Chemistry Revision 2021-01-19

Chemistry Revision crossword puzzle
Across
  1. The reaction between copper sulfate and iron is a .... reaction.
  2. We can measure pH using the .... indicator.
  3. KOH is .... hydroxide.
  4. The least reactive alkali metal.
  5. The charge of the nucleus.
  6. A particle made of multiple atoms.
  7. When two substances mix without forming a new substance, they form a .....
  8. Most of the universe is made of hydrogen and ....
  9. A solution with a lot of solute.
  10. The noble metals are gold, silver and ....
  11. Subatomic particles that orbit the nucleus.
  12. Salts containing chlorine.
  13. Biological catalysts.
  14. A solution with pH<7.
  15. The rate of reaction .... when you increase the temperature.
  16. Mixtures of metals.
  17. The spreading of a substance from an area of high concentration to an area of low concentration.
  18. Compounds with the OH group.
  19. The rows in the Periodic Table.
  20. The atomic number shows the number of .... in the nucleus.
  21. HBr is .... acid.
  22. A reaction between a hydroxide and an acid is called a .... reaction.
  23. The substances at the beginning of the reaction.
Down
  1. Element number 116 in the Periodic Table.
  2. The particles inside .... compounds are held together by electric force.
  3. The metals in group 1 of the Periodic Table.
  4. The substance that dissolves in a solution.
  5. The change of state from solid to gas.
  6. A quantity that shows how much of a substance you can dissolve in a given solvent.
  7. A reaction in which heat is taken in.
  8. CaCO3 is calcium .....
  9. An indicator that turns blue in basic solutions.
  10. An indicator that turns pink in basic solutions.
  11. Compounds with oxygen.
  12. A reaction in which heat is given out.
  13. The products of a neutralisation reaction are a salt and .....
  14. The bonding in molecular compounds is called .... bonding.
  15. The substances at the end of the reaction.
  16. Element number 40 in the Periodic Table.
  17. The change of state from gas to liquid.
  18. The elements in group 18 of the Periodic Table.
  19. Salts produced using sulfuric acid.
  20. Element number 12 in the Periodic Table.
  21. The change of state from liquid to gas.
  22. The motion of small particles in liquids and gases is called the .... motion.
  23. Burning, rusting and combustion are examples of .... reactions.
  24. Atoms that have the same atomic number and a different mass number.
  25. A chemical equation that has the same number of atoms of each element on each side.

48 Clues: HBr is .... acid. • Mixtures of metals. • Biological catalysts. • A solution with pH<7. • KOH is .... hydroxide. • CaCO3 is calcium ..... • Compounds with oxygen. • The charge of the nucleus. • Salts containing chlorine. • Compounds with the OH group. • The rows in the Periodic Table. • The least reactive alkali metal. • A solution with a lot of solute. • ...

CHEMISTRY PUZZLE 2020-02-20

CHEMISTRY PUZZLE crossword puzzle
Across
  1. a molecule that is a subunit or building block of a polymer.
  2. the closeness of a measurement to a true or accepted value
  3. unit of thermal energy; the amount of energy required to raise the temperature of 1 gram of water 1 degree C or K at standard pressure
  4. the name for the element with atomic number 7 and is represented by the symbol N.
  5. natural mixture of polycyclic aromatic hydrocarbons (PAHs).
  6. the name for the element with atomic number 53 and is represented by the symbol I.
  7. instrument designed to measure heat flow of a chemical reaction or physical change.
  8. measure of the amount of light absorbed by a sample.
  9. the name for the element with atomic number 6 and is represented by the symbol C.
  10. solution containing a small amount of solute relative to the amount of solvent.
  11. study of matter and energy and the interactions between them
  12. deoxyribonucleic acd, an organic molecule that codes for proteins
  13. is the name for the element with atomic number 5 and is represented by the symbol B.
  14. substance that increases the chemical reaction rate by decreasing its activation energy.
  15. state of matter characterized by having neither a defined shape nor defined volume.
  16. an aqueous solution with a pH greater than 7.
  17. binding of an element to itself via covalent bonds, forming a chain or ring
  18. mass per unit volume.
  19. is a protein that functions as a catalyst for a chemical reaction.
  20. transition metal with element symbol Bh and atomic number 107.
  21. a grayish-white usually hard and brittle metallic element that resembles iron but is not magnetic and is used especially in alloys, batteries, and plant fertilizers
  22. a medium believed to carry light waves in the 18th and 19th century.
  23. the name for the element with atomic number 24 and is represented by the symbol Cr
  24. a chemical species that accepts electrons or donate protons or hydrogen ions.
  25. an electrical charge, a conserved property of subatomic particles determining their electromagnetic interaction.
  26. metal with atomic number 50 and element symbol Sn.
  27. the name for the element with atomic number 89 and is represented by the symbol Ac. It is a member of the actinide group.
  28. noble gas with element symbol Ne and atomic number 10.
  29. the name for the element with atomic number 20 and is represented by the symbol Ca.
  30. rare earth metal with element symbol Ce and atomic number 58.
Down
  1. a homogenous mixture in which dispersed particles do not settle out.
  2. study of matter at extremely low temperatures
  3. are considered to be elements 90 (thorium) through 103 (lawrencium).
  4. instrument used to measure atmospheric pressure.
  5. stable negatively charged subatomic particle.
  6. the mixture of gases that make up the Earth's atmosphere, consisting mainly of nitrogen, with oxygen, water vapor, argon, and carbon dioxide.
  7. the name for the element with atomic number 8 and is represented by the symbol O. It is a member of the nonmetal group.
  8. the name for the element with atomic number 28 and is represented by the symbol Ni.
  9. a substance that forms ions in aqueous solution.
  10. process by which atoms, ions, or molecules enter a bulk phase
  11. the name for the element with atomic number 83 and is represented by the symbol Bi.
  12. a substance that contains an -OH group attached to a hydrocarbon.
  13. e name for the element with atomic number 55 and is represented by the symbol Cs
  14. a chemical link formed between atoms in molecules and molecules and ions in crystals.
  15. the name for the element with atomic number 35 and is represented by the symbol Br.
  16. transition metal that is atomic number 27 with element symbol Co.
  17. electrode where reduction occurs; usually the negative electrode.
  18. the anode or cathode of an electrical cell.
  19. combination of two or more substances such that each retains its separate chemical identity (e.g., salt and flour).
  20. substance made by melting together two or more elements, at least one of which must be a metal.
  21. alkaline earth metal with element symbol Ba and atomic number 56.
  22. is an alloy of copper, usually containing tin as its main addition.
  23. Several definitions of alchemy exist. Originally, alchemy was an ancient tradition of sacred chemistry used to discern the spiritual and temporal nature of reality, its structure, laws, and functions.
  24. physical property of matter describing the ability to return to original shape after deformation.
  25. is element atomic number 68 on the periodic table.
  26. chemical species that either accepts protons or else donates electrons or hydroxide ions.
  27. products of a combustion reaction, aside from heat and light (e.g., carbon dioxide).
  28. radioactive gas with element symbol Rn and atomic number 86.
  29. the name for the element with atomic number 48 and is represented by the symbol Cd.
  30. a solute passing into solution, usually a solid going to the liquid phase.
  31. is defined as an alloy of copper and zinc.

61 Clues: mass per unit volume. • is defined as an alloy of copper and zinc. • the anode or cathode of an electrical cell. • study of matter at extremely low temperatures • stable negatively charged subatomic particle. • an aqueous solution with a pH greater than 7. • instrument used to measure atmospheric pressure. • a substance that forms ions in aqueous solution. • ...

Chemistry Y7 2020-03-31

Chemistry Y7 crossword puzzle
Across
  1. Helps the Soil to not be overflowed.
  2. The soil which hols the water.
  3. The planet you're living on.
  4. Is the solid remains of fires.
  5. Fossils may have these from animals which have legs.
  6. Is an object sea life hides in
  7. Molten metamorphic rocks.
  8. It's formed from cooled magma.
  9. A fraction of soil, organic matter.
  10. Weathering caused by different forces.
  11. Caused by repeated melting and freezing of water.
  12. Reverse change for solid to liquid
  13. The type of weathering which is caused by living organisms.
  14. Is molten rock generated by geothermal energy and expelled through fractures in planetary crust.
  15. Small particles which have a little bit of space between them.
  16. This can cause ...(answer from 10) weathering.
  17. Change of state: Solid to liquid.
  18. A liquid layer below the mantle.
  19. Forms using sedimentation
  20. Process: Gathering of rocks
Down
  1. Is a solid material whose constituents are arranged in a highly ordered. Has just pure compounds.
  2. You can find it the mantel, it's a type of rock
  3. Comes from the sky and can destroy parts of the Earth.
  4. What is found under the continents and move on magma.
  5. The middle of the Earth.
  6. Most commonly relates to volcanoes. Lava coming to surface.
  7. Igneous rocks can be found here.
  8. Phenomena which can destroy the rocks
  9. A dangerous type of Weathering.
  10. All the fossils in different rocks make up this.
  11. The layer which is below the crust.
  12. Is a rigid organ that constitutes part of the vertebrate skeleton in animals.
  13. "Water" that can damage rocks.
  14. The space that remains in rocks after an organism is decomposed in them
  15. The first layer of the Earth.
  16. Some kind of rock which lets the water go through.
  17. Can be found in rocks
  18. Is the flow of gases on a large scale.

38 Clues: Can be found in rocks • The middle of the Earth. • Molten metamorphic rocks. • Forms using sedimentation • Process: Gathering of rocks • The planet you're living on. • The first layer of the Earth. • The soil which hols the water. • Is the solid remains of fires. • Is an object sea life hides in • It's formed from cooled magma. • "Water" that can damage rocks. • ...

Chemistry Crossword 2020-05-31

Chemistry Crossword crossword puzzle
Across
  1. - a subatomic particle, with a positive electric charge.
  2. - accompanied by or requiring the absorption of heat.
  3. - the ability of a chemical to burn or ignite, causing fire combustion.
  4. - the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir
  5. - the mass of an atom of a chemical element expressed in atomic mass units.
  6. - who put the pieces of the puzzle together and developed an atomic theory in 1803
  7. - the process or effect of simplifying a single chemical entity into two or more fragments
  8. - is the conversion of one chemical element or isotope into another.
  9. - a branch of chemistry that deals with the study of chemical processes that occur inside of living organisms.
  10. - a chemical reaction that releases energy.
  11. - a negatively charged ion
  12. - is the transition of a substance directly from the solid to the gas state, without passing through the liquid state
  13. - is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms.
  14. - Any substance that has mass and takes up space.
  15. - a subatomic particle, with a negative electric charge
  16. - is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
  17. - is an atom or molecule that has a net electrical charge
  18. - is a phase transition in which a liquid turns into a solid when its temperature is lowered to or below its freezing point
  19. – a compound that contains carbon-hydrogen bond
  20. - the process of separating the components or substances from a liquid mixture by using selective boiling and condensation.
  21. - 2 or more substances compound physically in variable proponents.
  22. – is one of the most important part of Physical chemistry
Down
  1. - composed of 2 or more atom.
  2. - is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
  3. - significant rule non-zero digits are always
  4. - a organized chart of all the elements.
  5. - a property that describes a substances ability to participate in chemical reaction.
  6. - is any process which requires or absorbs energy from its surroundings, usually in the form of heat
  7. - is known as the originator of the quantum theory of energy.
  8. – discovered the Polonium and Radium
  9. - a positively charged ion
  10. - is an experimental gas law relating the volume of a gas to the amount of substance of gas present.
  11. - is the change of the physical state of matter from the gas phase into the liquid phase
  12. – it alters the composition of the original matter
  13. - is the phase transition in which gas transforms into solid without passing through the liquid phase
  14. – is the science of obtaining, processing, and communicating information about the composition and structure of matter.
  15. - uniterm in composition.
  16. - a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
  17. - a membrane-bound organelle that contains genetic material (DNA) of eukaryotic organisms.
  18. - the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force.
  19. – is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.
  20. – the one who developed the periodic table
  21. – an expert in chemistry
  22. - chemical element is the number of protons found in the nucleus of every atom of that element
  23. - the smallest constituent unit of ordinary matter that constitutes a chemical element.
  24. - it has indefinite shape and a definite volume, takes shape of a container.
  25. - it has a definite shape and a definite volume.
  26. – a compound that lacks carbon-hydrogen bond
  27. - A state of matter that have an indefinite shape and indefinite volume.
  28. - type of matter and the way matter is arranged.

50 Clues: – an expert in chemistry • - uniterm in composition. • - a positively charged ion • - a negatively charged ion • - composed of 2 or more atom. • – discovered the Polonium and Radium • - a organized chart of all the elements. • – the one who developed the periodic table • - a chemical reaction that releases energy. • – a compound that lacks carbon-hydrogen bond • ...

General Chemistry 2020-06-03

General Chemistry crossword puzzle
Across
  1. - it has the ability to retain itself as it is before thus being in a fix manner.
  2. – Gluon Plasma
  3. - is also the study of matter's composition, structure, and properties.
  4. – Negatively Charged Ions
  5. – Study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds.
  6. - is the study of matter and the chemical reactions between substances.
  7. – The basic building blocks that make up matter.
  8. - It is the process of simplifying a very large number or a very small number and it is used to express multi-digit numbers involving many zeros in compact form.
  9. - is the ratio of the mass of an object to the volume it occupies.
  10. — Mixture whose composition varies from one position to another within the sample is considered as heterogenous.
  11. — A matter that has definite composition and distinct properties. It can be either and Element or Compound.
  12. - is the quantity of matter in the object it is determine by weighing the objects using a balance.
  13. - Einstein Condensate
  14. - tells how hot or cold an object is.
  15. – analysis of the composition, studies and uses instruments and methods used to separate, identify, and quantify matter.
  16. — composed of two or more substances combined Physically in Variable Proportion.
  17. – Gas to Solid
  18. - is the amount of space occupied by a substances.
  19. – Positively Charged Ions
  20. — Elements that readily forms positive ions (cations) and has metallic bonds.
  21. - carbon containing compound that is bonded with hydrogen.
  22. – Gas to Liquid
  23. - in terms of shape and volume, it is indefinite and definite, respectively.
  24. – Solid to Liquid
  25. – Any carbon compound formed exclusively by a living organism.
Down
  1. – Study of chemistry combined with physics, equilibrium.
  2. – A chemical compound that lacks carbon-hydrogen bonds. It is any substance in which two or more chemical elements (usually other than carbon) are combined.
  3. — Is a Chemical element that exhibits some properties of metals and some non-metals.
  4. – Liquid to Gas
  5. - The molecules of solid is _.
  6. — A pure substance containing two or more kinds of atom chemically combined in definite proportion by mass.
  7. - The measurement of significant figures can never be _ ?
  8. – Is anything that occupies space and has mass.
  9. - the movement of particle of gases are _ .
  10. – Study of elements and ionically compounds except carbon and hydrogen.
  11. — Is an element that doesn’t have the characteristics of metal, such as the ability to conduct heat or electricity, luster, or flexibility.
  12. – Study of chemistry of life, living organism.
  13. — Are all odorless, colorless, monotonic gases
  14. - both shape and volume gases are indefinite.
  15. — is the best known example for semi-conductor.
  16. — This is something that was forced to mixed, and doesn’t completely mix.
  17. — the substance that is dissolved or scattered and disappearing medium or the substance in which the dispersed phase is spread.
  18. - It is also generally any chemical compound that contains carbon.
  19. — relatively uniform in comparison. It is composed of a solute or dissolved substance and solvent or dissolving medium.
  20. – Liquid to Solid
  21. — simplest form of matter since it’s composed of only one kind of atom.
  22. – Neutrally/Not Charged Ions
  23. – Solid to Gas
  24. - it can have a movement of solid through _.
  25. - in terms of shape and volume, it is definite.

50 Clues: – Gluon Plasma • – Gas to Solid • – Solid to Gas • – Liquid to Gas • – Gas to Liquid • – Liquid to Solid • – Solid to Liquid • - Einstein Condensate • – Negatively Charged Ions • – Positively Charged Ions • – Neutrally/Not Charged Ions • - The molecules of solid is _. • - tells how hot or cold an object is. • - the movement of particle of gases are _ . • ...

GENERAL CHEMISTRY 2020-04-28

GENERAL CHEMISTRY crossword puzzle
Across
  1. Errors caused by limitations in the instruments or techniques or experimental design.
  2. The 66th element on the Periodic table of elements.
  3. A material made up of two or more different substances which are physically combined.
  4. The point in temperature when the liquid starts to boil.
  5. Property that changes when the amount of matter in a sample changes.
  6. a way to separate a substance by using a medium to hold one of the substances back. (i.e. using a sift)
  7. The point in temperature when the solid starts to liquefy.
  8. Substance formed when two or more chemical elements are chemically bonded together.
  9. A type of matter with fixed composition.
  10. The simplest substance and hence cannot be broken down using chemical reactions.
  11. The relationship between the mass of the substance and its volume.
  12. Group of element that readily forms positive ions (cations) and has metallic bonds.
  13. A process involving applying centrifugal force to detach particles from the solution by their scale, shape, density, medium and rotor speed viscosity.
  14. a phase of matter that has both indefinite volume and shape.
  15. Solid to Liquid.
  16. a phase of matter that has a definite volume and shape.
  17. Type of mixture that has the same proportions or uniform composition.
  18. The 24th element on the Periodic table of elements.
  19. Type of mixture that has no uniform composition.
  20. A positively charged ion.
  21. The basic building block for all matter in the universe.
  22. The resistance to flow by a fluid.
  23. Liquid to Gas.
  24. Positively charged center of the atom that contains most of the mass.
  25. group of elements that has physical properties of a metal, and chemical properties of a nonmetal.
Down
  1. Characteristic of a material you can observe without changing the identity.
  2. Particles in a atom with a positive charge.
  3. The sum of the number of protons and neutrons.
  4. The 44th element on the Periodic table of elements.
  5. A change in size, shape, or state.
  6. Gas to Solid.
  7. Refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.
  8. A process for separating substances by evaporating a liquid and recondensing its vapor.
  9. Particles in a atom with a negative charge.
  10. Universal Solvent.
  11. Type of mixture with particles that are larger than those in solutions, but not heavy enough to settle out.
  12. Gas to Liquid.
  13. Liquid to Solid.
  14. Effect that is known for scattering of light by colloidal particles.
  15. A change of one substance to another.
  16. Errors that result from random fluctuations.
  17. Number of protons in an atom is equal to a number called ___?
  18. Characteristic of a substance that indicates whether it can undergo a chemical change.
  19. Anything that has mass and takes up space and has volume.
  20. Homogeneous mixture with particles so small that they cannot be seen with a microscope.
  21. Property of matter that depends only on the type of matter in a sample and not on the amount.
  22. Particles in a atom with no charge.
  23. Solid to Gas.
  24. Materials that are able to be hammered.
  25. A positively charged ion.
  26. a phase of matter that has a definite volume and indefinite shape.

51 Clues: Gas to Solid. • Solid to Gas. • Gas to Liquid. • Liquid to Gas. • Liquid to Solid. • Solid to Liquid. • Universal Solvent. • A positively charged ion. • A positively charged ion. • A change in size, shape, or state. • The resistance to flow by a fluid. • Particles in a atom with no charge. • A change of one substance to another. • Materials that are able to be hammered. • ...

General Chemistry 2020-05-25

General Chemistry crossword puzzle
Across
  1. The separation of elemental metals from the mixtures
  2. Phase change that involves the conversion from solid to liquid
  3. Horizontal row in the periodic table
  4. Formed by losing and gaining of electrons between metal and nonmetal
  5. it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
  6. The amount of space occupied by a substance
  7. Specific energy value of electrons for an atom
  8. The quantity of matter in the body
  9. insert gas located at the rightmost side of the periodic table
  10. Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
  11. it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
  12. Formed when atom loses or gains electron
  13. it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
  14. the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
  15. the size length or amount of something as established by measuring.
  16. a period of time equal to sixty seconds or a sixtieth of an hour.
  17. the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
  18. Mixture whose a composition varies from position to position within a sample.
  19. Positively charged subatomic particle of an atom
  20. it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
  21. Called as solution a mixture with uniform composition.
  22. Anything that has mass and occupies space
  23. states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
  24. Separates components of mixture at different boiling points.
Down
  1. Elements at the left side and in the center of the periodic table
  2. The digits in any measurement that are known with certainty plus one digit which is uncertain
  3. The sum of the number of protons and neutrons in its nucleus
  4. a substance that flows freely but is of constant volume having a consistency like that of water or oil.
  5. the quality, condition, or fact of being exact and accurate.
  6. movement of one fluid through another.
  7. Phase change in which liquid is converted to solid
  8. the branch of science that deals with the identification of the substances of which matter is composed.
  9. phase change in which liquid is converted to gas
  10. Group 7A elements
  11. Elements found in the zigzag order in the periodic table
  12. Composed of two or more substances combined physically in variable proportions
  13. Negatively charged subatomic particle of an atom
  14. a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
  15. a metric unit of length equal to one hundredth of a meter.
  16. the quality or state of being correct or precise.
  17. Ratio of the mass of an object to the volume occupied by that object.
  18. a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
  19. a substance or object that is solid rather than liquid or fluid
  20. Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
  21. inner transition elements located in the first row of the f block in the periodic table
  22. Compound that consists of two charged ions
  23. Organic compound with carbon and oxygen only
  24. Element that appears at the far right side of the periodic table
  25. Substance consisting of only one kind of atom
  26. the measurement or extent of something from end to end.
  27. Uncharged particle found within the atomic nuclei

51 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...

General Chemistry 2020-05-21

General Chemistry crossword puzzle
Across
  1. / A colloidal system of particles dispersed in gas
  2. / Gas to liquid
  3. / The ratio of the mass of an object to the volume it occupies
  4. / Whether it will break into charged particles when in solution with water or not
  5. / A process of separating the components of a suspension
  6. / A prefix that have a scientific notation of 10^(-12)
  7. / A prefix that have a scientific notation of 10^12
  8. / Determined when a certain quantitative value is relatively close to the “true” value
  9. Separation / The process of separating elemental metals from other particles in the mixture
  10. / consist of a dispersed phase
  11. / A quantity that have the symbol s
  12. / A prefix that have a scientific notation of 10^3
  13. / A quantity that have the symbol K
  14. / Are well mixed and behave like a single substance
  15. / A prefix that have a scientific notation of 10^6
  16. / A unit that have the symbol kg
  17. / The amount of space occupied in the object
  18. / Whether it reacts with acids, bases, and oxygen
  19. / A process of changing solid to gas without passing through liquid state
  20. / Whether the substance undergoes combustion or not
  21. / Does not depend on the size or amount of the sample
  22. / A unit which has the symbol m
  23. / Those that can be affected by the size and amount of samples
  24. Change / Occurs when the internal make up of the matter stays the same
  25. / Solid to liquid
  26. / Not definite in shape and volume
  27. / A prefix that have a scientific notation of 10^(-3)
Down
  1. / A process of separating a homogeneous mixture
  2. Figures / Digits in any measurement that are known with certainty
  3. / Is a colloid made up of two liquids
  4. Notation / The term used in counting the number of significant figures
  5. / Liquid to solid
  6. number / The number of protons in its nucleus
  7. / Is the consistency of the result
  8. / Whether the substance can damage an organism or not
  9. / Are atoms with the same atomic number but different mass numbers
  10. / The quantity of matter in the object
  11. / Liquid that passes through the strainer
  12. / Liquid to gas
  13. / Another method of separating complex mixtures
  14. / Also called a solution
  15. / A gas disbursed in a liquid or solid
  16. / Substance which remains in the strainer
  17. / simplest form of matter
  18. / whether the substance can be easily decomposed or not
  19. / Formed when element react to each other
  20. / Composed of two or more substances
  21. / Consist of coarse particles which are visible to the naked eyes
  22. Change / Occurs when a substance is converted to a new substance
  23. / Definite in shape and volume

50 Clues: / Gas to liquid • / Liquid to gas • / Liquid to solid • / Solid to liquid • / Also called a solution • / simplest form of matter • / consist of a dispersed phase • / Definite in shape and volume • / A unit which has the symbol m • / A unit that have the symbol kg • / Is the consistency of the result • / Not definite in shape and volume • ...

General Chemistry 2020-05-21

General Chemistry crossword puzzle
Across
  1. The number of protons in its nucleus
  2. Digits in any measurement that are known with certainty
  3. whether the substance can be easily decomposed or not
  4. Liquid to solid
  5. The amount of space occupied in the object
  6. Consist of coarse particles which are visible to the naked eyes
  7. Also called a solution
  8. Are well mixed and behave like a single substance
  9. A prefix that have a scientific notation of 10^(-3)
  10. Occurs when a substance is converted to a new substance
  11. consist of a dispersed phase
  12. The ratio of the mass of an object to the volume it occupies
  13. Solid to liquid
  14. Whether the substance undergoes combustion or not
  15. The term used in counting the number of significant figures
  16. A prefix that have a scientific notation of 10^12
  17. A prefix that have a scientific notation of 10^3
  18. simplest form of matter
  19. Formed when element react to each other
  20. A process of separating the components of a suspension
  21. Change Occurs when the internal make up of the matter stays the same
  22. A prefix that have a scientific notation of 10^(-12)
  23. Liquid that passes through the strainer
  24. A prefix that have a scientific notation of 10^6
Down
  1. Another method of separating complex mixtures
  2. A unit which has the symbol m
  3. The process of separating elemental metals from other particles in the mixture
  4. Substance which remains in the strainer
  5. Whether it will break into charged particles when in solution with water or not
  6. A quantity that have the symbol K
  7. A process of changing solid to gas without passing through liquid state
  8. A quantity that have the symbol s
  9. Those that can be affected by the size and amount of samples
  10. A process of separating a homogeneous mixture
  11. Not definite in shape and volume
  12. The quantity of matter in the object
  13. Whether it reacts with acids, bases, and oxygen
  14. Liquid to gas
  15. Gas to liquid
  16. Is the consistency of the result
  17. Are atoms with the same atomic number but different mass numbers
  18. Is a colloid made up of two liquids
  19. Can be measured and observed without changing the composition of the substance
  20. Whether the substance can damage an organism or not
  21. A unit that have the symbol kg
  22. Composed of two or more substances
  23. Definite in shape and volume
  24. Does not depend on the size or amount of the sample
  25. Determined when a certain quantitative value is relatively close to the “true” value
  26. A colloidal system of particles dispersed in gas
  27. A gas disbursed in a liquid or solid

51 Clues: Liquid to gas • Gas to liquid • Liquid to solid • Solid to liquid • Also called a solution • simplest form of matter • consist of a dispersed phase • Definite in shape and volume • A unit which has the symbol m • A unit that have the symbol kg • Not definite in shape and volume • Is the consistency of the result • A quantity that have the symbol K • A quantity that have the symbol s • ...

General chemistry 2020-05-05

General chemistry crossword puzzle
Across
  1. is the study of chemical processes within and relating to living organisms.
  2. means incapable of dissolving in a solvent. It is rare for absolutely no solute to dissolve at all.
  3. is a phase transition where a liquid turns into a solid when its temperature is lowered below its freezing point.
  4. is a material that when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well.
  5. is a mixture in which the components of the mixture are not uniform or have localized regions with different properties.
  6. is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point.
  7. is an electrically neutral group of two or more atoms held together by chemical bonds.
  8. is a subatomic particle with a positive electric charge.
  9. is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions.
  10. is a metric system unit of mass.
  11. is a chemical element with the symbol Cu and atomic number 29.
  12. is the chemical element with the symbol O and atomic number 8.
  13. is the chemical element with the symbol N and atomic number 7.
  14. is a form of matter having constant chemical composition and characteristic properties.
  15. it can be defined as a base that dissolves in water.
  16. is an acyclic saturated hydrocarbon.
  17. is a chemical element with the symbol C and atomic number 6.
  18. is any factor that can be controlled, changed, or measured in an experiment.
  19. is a substance that dissolves a solute, resulting in a solution.
  20. is a chemical element with the symbol Pa and atomic number 91.
  21. is the smallest constituent unit of ordinary matter that constitutes a chemical element.
  22. is a decimal unit prefix in the metric system denoting multiplication by one thousand.
  23. is a process that leads to the chemical transformation of one set of chemical substances to another.
  24. is a physical, biological or chemical operation that separates solid matter and fluid from a mixture with a filter medium that has a complex structure through which only the fluid can pass.
Down
  1. is any substance that has mass and takes up space by having volume.
  2. a is the reverse of vaporization.
  3. of a number are digits that carry meaningful contributions to its measurement resolution.
  4. is the chemical element with the symbol H and atomic number 1.
  5. is the mass of an atom. Although the SI unit of mass is kilogram.
  6. is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.
  7. is a mixture in which the components that make up the mixture are uniformly distributed throughout the mixture.
  8. is the tendency for particles in suspension to settle out of the fluid in which they are entrained and come to rest against a barrier.
  9. is a subatomic particle with no net electric charge.
  10. are generally any chemical compounds that contain carbon.
  11. is a physical property of matter that quantitatively expresses hot and cold.
  12. is an outer shell electron with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed.
  13. is to put together parts so as to form a whole.
  14. is a chemical element that mostly lacks the characteristics of a metal.
  15. is an atom or molecule that has a net electrical charge.
  16. is a physical process that results in the phase transition of a substance from a solid to a liquid.
  17. is a process that generates a liquid from a solid that generates a non-liquid phase which behaves in accordance with fluid dynamics.
  18. is a chemical element with the symbol B and atomic number 5.
  19. is a subatomic particle whose electric charge is negative one elementary charge.
  20. is one of the four fundamental states of matter.
  21. is a type of chemical bonding that rises from the electrostatic attractive force between conduction electrons.
  22. is a class of physical phenomena that are mediated by magnetic fields.
  23. may only be observed by changing the chemical identity of a substance.
  24. is a type of chemical element which has properties in between, or that are a mixture of, those of metals and nonmetals.
  25. mass of a unit volume of a material substance.
  26. is a material made up of two or more different substances which are physically combined.

50 Clues: is a metric system unit of mass. • a is the reverse of vaporization. • is an acyclic saturated hydrocarbon. • mass of a unit volume of a material substance. • is to put together parts so as to form a whole. • is one of the four fundamental states of matter. • is a subatomic particle with no net electric charge. • it can be defined as a base that dissolves in water. • ...

Solution Chemistry 2021-04-14

Solution Chemistry crossword puzzle
Across
  1. the state of being dispersed in a fluid
  2. effect:is light scattering by particles in a colloid or in a very fine suspension.
  3. (of liquids) not forming a homogeneous mixture when added together
  4. (of liquids) forming a homogeneous mixture when added together
  5. Foam is an object formed by trapping pockets of gas in a liquid or solid.
  6. a fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible.
  7. (of organic molecules) having carbon–carbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms for the number of carbons.
  8. a liquid or gel that contains ions and can be decomposed by electrolysis, e.g., that present in a battery.
  9. a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion
  10. a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent)
  11. able to dissolve other substances
Down
  1. of the same kind; alike
  2. diverse in character or content
  3. the action or power of focusing one's attention or mental effort
  4. is a measure of number of moles of solute present in 1 kg of solvent.
  5. the minor component in a solution, dissolved in the solvent.
  6. (of an organic molecule) containing the greatest possible number of hydrogen atoms, and so having no carbon–carbon double or triple bonds
  7. is a measure of the concentration of a chemical species, in particular of a solute in a solution, in terms of amount of substance per unit volume of solution.
  8. a substance enclosed under pressure and able to be released as a fine spray, typically by means of a propellant gas.
  9. a homogeneous noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle, and cannot be separated out by ordinary filtering or centrifuging like those in a suspension.

20 Clues: of the same kind; alike • diverse in character or content • able to dissolve other substances • the state of being dispersed in a fluid • the minor component in a solution, dissolved in the solvent. • (of liquids) forming a homogeneous mixture when added together • the action or power of focusing one's attention or mental effort • ...

Solution Chemistry 2021-05-06

Solution Chemistry crossword puzzle
Across
  1. contains all of the solute a solvent can hold
  2. moles of solute per liter of solution
  3. liquids that dissolve in one another
  4. is dissolved
  5. same throughout
  6. abbreviation for the motion of particles
  7. celsius + 273
  8. Molarity
  9. poles polar molecule
  10. more than maximum amount of solute in solvent
Down
  1. mixture, particles are evenly distributed
  2. moles of solute per kilogram of solvent
  3. Gas escaping=gas returning to liquid
  4. has substances dissolved in it
  5. effect scattering of light through a colloid
  6. water solution
  7. pressure reading
  8. homogeneous mixture
  9. contains less water
  10. can be separated
  11. fall out
  12. tiny particles suspended in a s,l,g.
  13. to reduce concentration
  14. universal solvent

24 Clues: fall out • Molarity • is dissolved • celsius + 273 • water solution • same throughout • pressure reading • can be separated • universal solvent • homogeneous mixture • contains less water • poles polar molecule • to reduce concentration • has substances dissolved in it • Gas escaping=gas returning to liquid • liquids that dissolve in one another • tiny particles suspended in a s,l,g. • ...

Chemistry separation 2020-06-15

Chemistry separation crossword puzzle
Across
  1. to _______ is to move apart
  2. something that removes bad stuff through small holes.
  3. the separation mixture through vapour
  4. mineral sodium
  5. the four _______
  6. dissolving with water
  7. a liquid that passes through a filter
  8. dissolving
  9. rocks/amythest/sparkly.
Down
  1. what is everything made of?
  2. steam
  3. something that remains afterwards
  4. big opening to small opening
  5. 100 degrees celsius
  6. purifying by heat or cold.
  7. homogeneous mixture
  8. compact
  9. two things combined together and then you get a ________
  10. making something denser
  11. water _____
  12. a thing that is composed of more then one thing.

21 Clues: steam • compact • dissolving • water _____ • mineral sodium • the four _______ • 100 degrees celsius • homogeneous mixture • dissolving with water • making something denser • rocks/amythest/sparkly. • purifying by heat or cold. • what is everything made of? • to _______ is to move apart • big opening to small opening • something that remains afterwards • the separation mixture through vapour • ...

Science-Chemistry 2020-06-14

Science-Chemistry crossword puzzle
Across
  1. Who Discovered that matter is composed of tiny particles?
  2. Which electron shell is most important in determining how an element will react?
  3. Who discovered it's impossible to know the momentum of an electron and its exact position?
  4. What element has a symbol that looks like this Hg?
  5. Which shell contains 19-20 electrons?
  6. What a symbol stand for
  7. Who proposed the law of conservation of mass
  8. who determined that elements exist?
  9. What element has a symbol that looks like this Po?
  10. Who discovered mass of rays?
  11. Who discovered what electrons do?
Down
  1. Which shell contains 1-2 electrons?
  2. What element has a symbol that looks like this Pu?
  3. What element has a symbol that looks like this As?
  4. What element has a symbol that looks like this Fr?
  5. Who discovered what and where the nucleus and protons are?
  6. Who proved the existence of atoms?
  7. What is the smallest form of a chemical particle that retains the properties if the particle?
  8. What element has a symbol that looks like this Pb?
  9. Which shell contains 11-18 electrons?
  10. Which shell contains 3-10 electrons?
  11. What is a number assigned to a particular atom called?
  12. What defines the characteristics of each element?
  13. Who developed the theory of Atomism?
  14. What is the mass of an ato, called?

25 Clues: What a symbol stand for • Who discovered mass of rays? • Who discovered what electrons do? • Who proved the existence of atoms? • Which shell contains 1-2 electrons? • who determined that elements exist? • What is the mass of an ato, called? • Which shell contains 3-10 electrons? • Who developed the theory of Atomism? • Which shell contains 11-18 electrons? • ...

Chemistry Crossword 2020-06-12

Chemistry Crossword crossword puzzle
Across
  1. action of pretending; deception.
  2. is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
  3. :make inquiries as to the character, activities, or background of (someone)
  4. the state or fact of being composed of indivisible units.
  5. :the process or action by which one thing absorbs or is absorbed by another.
  6. speed of something in a given direction.
  7. :without special help or intervention; in a natural manner.
  8. the state or process of rotting or decomposition.
  9. plan of action or policy designed to achieve a major or overall aim.
  10. series of actions or steps taken in order to achieve a particular end.
  11. a digital audio file made available on the Internet for downloading to a computer or mobile device, typically available as a series, new installments of which can be received by subscribers automatically.
  12. :eat, drink, or ingest (food or drink).
  13. :A chemical reaction between a fuel and oxygen.
  14. :make (a sound).
Down
  1. :the end or finish of an event or process.
  2. : acting or done in the same way over time, especially so as to be fair or accurate.
  3. : is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
  4. allowing a two-way flow of information between a computer and a computer-user; responding to a user's input.
  5. relating to or consisting of molecules.
  6. production and discharge of something, especially gas or radiation
  7. with or having the characteristics of an autistic spectrum disorder.
  8. :the action of departing from an established course or accepted standard.
  9. :an expert in or student of meteorology; a weather forecaster.
  10. :relating to the universe or cosmos, especially as distinct from the earth.
  11. a person or thing that accepts or receives something

25 Clues: :make (a sound). • action of pretending; deception. • relating to or consisting of molecules. • :eat, drink, or ingest (food or drink). • speed of something in a given direction. • :the end or finish of an event or process. • :A chemical reaction between a fuel and oxygen. • the state or process of rotting or decomposition. • ...

General Chemistry 2020-06-05

General Chemistry crossword puzzle
Across
  1. It is a mixture whose composition varies from one position to another within the sample.
  2. _____ chemistry is the study of macroscopic, and particulate phenomena in chemical systems in terms of the principles and concepts of physics such as motion, energy, force, and time.
  3. It is used to quantify the time with the “s” symbol.
  4. It is denoted by the symbol “M” in the SI that is in the millionth numerical value.
  5. It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
  6. _____ notation is used in counting the number of significant figures.
  7. This type of change occurs when the internal make-up of the matter stays the same even after the change.
  8. These are composed of two or more substances combined physically in variable proportions.
  9. It is used to quantify the mass with the “kg” symbol.
  10. It is the process of determining the extent of the dimensions, quantity, or extent of something.
  11. It is used to quantify the electric current with the “A” symbol.
  12. It is anything that has mass and occupies space.
  13. It is a mixture that is also called as solution since it is relatively uniform in composition.
  14. A type of chemical property: whether the substance can damage an organism or not.
  15. A type of chemical property: whether the substance undergoes combustion or not.
  16. In _____ and division, the answer must have the same number of significant figures as the measured number with the lowest number of significant figures.
  17. It refers to how the values agree closely with one another.
  18. It is denoted by the symbol “c” in the SI that is in the hundredth numerical value.
  19. It is the process of converting liquid to gas.
  20. It is denoted by the symbol “G” in the SI that is in the billionth numerical value.
  21. A type of chemical property: whether it will break into charged particles when in solution with water or not.
Down
  1. It is the state of matter when particles are far apart from each other.
  2. It tells how close a measured value is to the “true” value.
  3. It is a process of separating the components of a suspension. An example of a mixture that can be separated through this is sand and water solution.
  4. _____ chemistry is a branch of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding.
  5. Hand ____ is the simplest method in separating mixtures.
  6. Extensive physical property is also called as _____ property.
  7. It is the simplest form of matter since it is composed of only one kind of atom.
  8. It is denoted by the symbol “m” in International System of Units in the thousandth numerical value.
  9. It is used to quantify the temperature with the “K” symbol.
  10. It is denoted by the symbol “p” in the SI that is in the trillionth numerical value.
  11. In addition and ______, the answer must have the same number of decimal places as the measured number with the least number of decimal places.
  12. This type of change occurs when a substance is converted into a new substance.
  13. It is denoted by the symbol “T” in the SI that is in the trillionth numerical value
  14. It is the process of separating elemental metals from other particles in a mixture.
  15. It is used to quantify the length with the “m” symbol.
  16. It is generally used by farmers to separate grains from stalks after harvesting.
  17. It occurs when solid turns into gas by the addition of heat.
  18. A type of chemical property: whether it reacts with acids, bases, and oxygen, gas, or not.
  19. It occurs when gas turns into solid.
  20. It is denoted by the symbol “d” in the SI that is in the tenth numerical value.
  21. This physical property is also called as intrinsic property that does not depend on the size or amount of the sample.
  22. It is the state of matter when particles are very close to each other.
  23. It is a simple technique for separating dry mixtures.
  24. It is the smallest particle of an element.
  25. ____ figures are the digits in any measurement that are known with certainty, plus one digit which is uncertain.
  26. ____s between nonzero digits are significant.
  27. It is the state of matter when particles are neither too close nor too far from each other.
  28. A type of chemical property: whether the substance can be easily decomposed or not.
  29. It exhibits the Tyndall Effect. It consist of dispersed phase or the substance that is dissolved or scattered.

50 Clues: It occurs when gas turns into solid. • It is the smallest particle of an element. • ____s between nonzero digits are significant. • It is the process of converting liquid to gas. • It is anything that has mass and occupies space. • It is used to quantify the time with the “s” symbol. • It is used to quantify the mass with the “kg” symbol. • ...

surface chemistry 2020-08-17

surface chemistry crossword puzzle
Across
  1. this is another name for lyophobic colloids
  2. It is the process of converting a freshly prepared precipitate into a colloid.
  3. A colloid in which both dispersed phase and dispersion medium are liquids.
  4. the process of hardening of leather by by treating animal hide with tannin
  5. this is an example of a colloid classified as foam
  6. this type of adsorption has high enthalpy of adsorption
  7. the phenomenon observed by Robert Brown
  8. the substance on whose surface adsorption takes place
  9. this occurs when two oppositely charged colloids are mixed
  10. in this method an electric arc is struck between the electrodes whose colloid is to be prepared
  11. the scientist who studied the effect of pressure on extent of adsorption
  12. these are solvent loving colloids
Down
  1. a solution of soap at high concentration behaves as a ------ colloid
  2. the potential difference between the fixed layer and diffused layer of opposite charges
  3. an example of a substance which adsorbs moisture
  4. the minimum concentration of an electrolyte in millimloes/litre required to cause coagulation
  5. the optical property displayed by colloids
  6. the electrical property displayed by colloids
  7. These are filter papers impregnated with collodion.
  8. physisorption results in these types of layers
  9. these devices are used by miners working in coal mines to remove poisonous gases
  10. These valencies give rise to surface phenomenon
  11. it is a process of purifying colloids

23 Clues: these are solvent loving colloids • it is a process of purifying colloids • the phenomenon observed by Robert Brown • the optical property displayed by colloids • this is another name for lyophobic colloids • the electrical property displayed by colloids • physisorption results in these types of layers • These valencies give rise to surface phenomenon • ...

Chemistry Revision 2020-10-18

Chemistry Revision crossword puzzle
Across
  1. 2 or more atoms chemically combined
  2. solution appears as one.
  3. ideas to explain matter behavior.
  4. anything that takes up space.
  5. what a solute dissolves in.
  6. the rusting of metals.
  7. cannot be physically changed.
  8. separating metal from non magnetic items
  9. does it react quickly or slowly.
  10. made up of 1 type of atom.
  11. made from combining 2 or more elements.
  12. what you dissolve/can dissolve in other substances.
Down
  1. solution is visibly 2 different substances.
  2. a barrier with holes.
  3. when heavy particles sink
  4. can be physically changed.
  5. a sedimented mixture
  6. the smallest part of matter.
  7. when substances mix well.
  8. the substance can burn or explode.
  9. substance that cannot be dissolved.
  10. small droplets of a liquid floating in another.

22 Clues: a sedimented mixture • a barrier with holes. • the rusting of metals. • solution appears as one. • when heavy particles sink • when substances mix well. • can be physically changed. • made up of 1 type of atom. • what a solute dissolves in. • the smallest part of matter. • anything that takes up space. • cannot be physically changed. • does it react quickly or slowly. • ...

Chemistry Vocab 2020-10-21

Chemistry Vocab crossword puzzle
Across
  1. an electron configuration notation in which only the valence electrons of an atom of a particular element are shown, indicated by dots placed around the elements symbol
  2. indicates the kind, number, arrangement, and bonds but not the unshared pairs of the atoms in a molecule
  3. shows the types and numbers of atoms combined in a single molecule of a molecular compound
  4. results from the sharing of electron pairs between two atoms
  5. the ability of a substance to be drawn, pulled, or extended through a small opening to produce a wire
  6. indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols numerical substances
  7. refers to bonding in molecules or ions that cannot be correctly represented by a single Lewis structure
  8. the energy required to break a chemical bond and form neutral isolated atoms
  9. uneven distrbution of charge
  10. formulas in which atomuc symbols represent nuclei and inner-shell electrons, dot-pairs or dashes between tow atomic symbols represent electron pairs in covalent bonds, and dots adjacent to only one atomic symbol represent unshared electrons
  11. Mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together
Down
  1. the ability of a substance to be hammered or beaten into thin sheets
  2. Chemical bonding that results from electrical attraction between cations and anions
  3. a chemical compound whose simpliest units are molecules
  4. the simplest collection of atoms from which an ionic compound's formula can be written
  5. a charged group of covalently bonded atoms
  6. composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
  7. the chemical bonding that results from the attraction between metal atoms and the surrounding sea of electrons
  8. a neutral group of atoms that are held together by covalent bonds
  9. energy the energy released when one mole of an ionic crystalline compound is formed from gaseous ions
  10. double or triple bonds, or multiple covalent bonds. Greater bond energy and are shorter than single bonds
  11. a covalent bond in which one pair of electrons is shared between two atoms
  12. a covalent bond with unequal attraction for the shared electons
  13. a covalent bond in which electrons are shared equally, balanced distribution of electrical charge

24 Clues: uneven distrbution of charge • a charged group of covalently bonded atoms • a chemical compound whose simpliest units are molecules • results from the sharing of electron pairs between two atoms • a covalent bond with unequal attraction for the shared electons • a neutral group of atoms that are held together by covalent bonds • ...

Chemistry Vocabulary 2020-10-21

Chemistry Vocabulary crossword puzzle
Across
  1. a covalent bond in which one pair of electrons is shared between two atoms
  2. triple and double bonds
  3. results from the sharing of electron pairs between two atoms
  4. refers to bonding in molecules or ions that cannot be correctly represented by a single Lewis structure
  5. formulas in which atomic symbols represent nuclei and inner-shell electrons, dot-pairs or dashes between two atomic symbols represent electron pairs in covalent bonds, and dots adjacent to only on atomic symbol represent unshared electrons
  6. the ability of a substance to be drawn, pulled, or extruded through a small opening to produce a wire
  7. the simplest collection of atoms from which an ionic compound's formula can be written
  8. the energy required to break a chemical bond and form neutral isolated atoms
  9. shows the types and numbers of atoms combined in a single molecule of a molecular compound
  10. indicates the relative numbers of atoms of each kind in a chemical compound by using atomic symbols and numerical scripts
  11. the energy released when one mole of an ionic crystalline compound is formed from gaseous ions
  12. a mutual electrical attraction
  13. chemical bonding that results from the electrical attraction between cations and anions
Down
  1. a covalent bond in which the bonding electrons
  2. the chemical bonding that results from the attraction between metal atoms and the surrounding sea of electrons
  3. indicates the kind, number, arrangement, and bonds but not the unshared pairs of the atoms in a molecule
  4. a neutral group of atoms that are held together by covalent bonds
  5. a charged group of covalently bonded atoms
  6. an electron-configuration notation in which only the valence electrons of an atom of a particular element are shown, indicated by dots placed around the element's symbol
  7. an uneven distribution of charge
  8. the ability of a substance to be hammered or beaten into thin sheets
  9. a chemical compound whose simplest units are molecules
  10. composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
  11. a covalent bond which the bonded atoms have an unequal attraction for the shared electrons

24 Clues: triple and double bonds • a mutual electrical attraction • an uneven distribution of charge • a charged group of covalently bonded atoms • a covalent bond in which the bonding electrons • a chemical compound whose simplest units are molecules • results from the sharing of electron pairs between two atoms • ...

Chemistry Vocab 2020-10-22

Chemistry Vocab crossword puzzle
Across
  1. /indicates the kind, number, arrangement,and bonds
  2. /shows the types and numbers in of atoms
  3. /electrons indicated by dots placed around the element
  4. /Chemical bonding that results from the electrical attraction between cations and anions
  5. /a neutral group of atoms that are held together by covalent bonds
  6. /Electrical attraction of different atoms that binds the atoms together
  7. /results from sharing of electrons pair between 2 atoms
  8. /A uneven distribution of electrical charge
Down
  1. /ability for a substance to be drawn, pulled, or extruded to produce a wire
  2. /orbitals of equal energy produced by the combination of 2 or more orbitals on the same atom
  3. /the energy required to break a chemical bond and form neutral isolated atoms
  4. /a chemical compound whose simplest units are molecules
  5. /created by equal but opposite charges that are separated by a short distance
  6. theory /causes these sets to be oriented as far apart as possible
  7. /a charged group of covalently bonded atoms
  8. /ability for a substance to be hammered or beaten into thin sheets
  9. /results from the attraction between metal atoms and the surrounding sea of electrons
  10. /formulas in which atomic symbols represent nuclei and inner shell electrons
  11. /mixing of 2 or more atomic orbitals
  12. /double or triple bonds
  13. /A balanced distribution of electrical charge
  14. /indicates the relative number of atoms
  15. /covalent bond in which one pair of electrons is shared between 2 atoms
  16. /simplest collections of atoms from which an ionic compound's formula can be written
  17. /energy released when one mole of an ionic crystalline compound is formed from gaseous ions
  18. /composed of positive and negative ions that are combined so that the number of charges are equal
  19. /bonding in molecules that cannot be correctly represented

27 Clues: /double or triple bonds • /mixing of 2 or more atomic orbitals • /indicates the relative number of atoms • /shows the types and numbers in of atoms • /a charged group of covalently bonded atoms • /A uneven distribution of electrical charge • /A balanced distribution of electrical charge • /indicates the kind, number, arrangement,and bonds • ...

AROMATIC CHEMISTRY 2020-11-09

AROMATIC CHEMISTRY crossword puzzle
Across
  1. A foul-smelling, stable imine which is commonly used in reactions between alcohols and acid chlorides to form esters.
  2. The technique of heating a liquid to produce vapour which is then collected when cooled.
  3. Which 5-membered ring is the best at performing electrophilic aromatic substitution (EAS)?
  4. is also known as dynamic isomerism.
  5. What type of substitution works well for quinoline?
  6. A molecule with substituents at the 1 and 4 positions on an aromatic compound is described as ... substitution.
  7. Ending of the 5 membered heterocyclic rings.
  8. A substituent that is meta directing can be known as a … group.
  9. The more bonds the more … the resonance forms.
  10. These structures show how electrons are made around individual atoms in a molecule.
  11. Which electrophile/ion is required in the Friedel-Crafts acylation reaction?
Down
  1. An electrophilic aromatic substitution reaction, which involves the formation of attaching a straight-chain R group to benzene is known as a ... alkylation.
  2. … requires a cyclic system to be fully conjugated.
  3. A molecule which forms covalent bonds with nucleophiles by accepting electron pairs.
  4. The addition of a halide, which requires an iron catalyst.
  5. The measure of an atom’s ability to attract a bonding pair of electrons towards itself.
  6. Carbonyl removal in acidic conditions is known as ... reduction.
  7. This is another way of forming a Lewis dot structure for a given compound (... forms)
  8. This rule states that aromatic compounds must have 4n + 2 π electrons.
  9. Resonance only involves the movement of...
  10. When two or more p orbitals ARE in a cyclic or an acylic system, it is said that there is...
  11. Two benzene rings connected
  12. What heterocyclic compound is formed from a nitrile and sodium azide?
  13. One key feature of Aromaticity

24 Clues: Two benzene rings connected • One key feature of Aromaticity • is also known as dynamic isomerism. • Resonance only involves the movement of... • Ending of the 5 membered heterocyclic rings. • The more bonds the more … the resonance forms. • … requires a cyclic system to be fully conjugated. • What type of substitution works well for quinoline? • ...

chemistry puzzle 2020-11-08

chemistry puzzle crossword puzzle
Across
  1. the Latin name of sodium (element)
  2. the 110th element
  3. the 8th element
  4. the 92nd element
  5. the 2nd element
  6. the 95th element
  7. 102nd element
  8. the first element
  9. the 112nd element
  10. the 94th element
  11. the 58th element
  12. the 38th element
  13. the 105th element
  14. the 103rd element
  15. the 93rd element
  16. the 104th element
Down
  1. the 66th element
  2. the 3rd element
  3. the 98th element
  4. the complex for Carbon and Hydrogen
  5. the Latin name of gold (element)
  6. the 59th element
  7. the 4th element
  8. the complex for Nitrogen and Hydrogen
  9. the 107th element
  10. the 109th element
  11. the 97th element
  12. the 25th element
  13. the 117th element
  14. the complex for Phosphorus and Hydrogen
  15. the 118th element
  16. the 54th element
  17. the 106th element

33 Clues: 102nd element • the 3rd element • the 4th element • the 8th element • the 2nd element • the 66th element • the 98th element • the 59th element • the 92nd element • the 97th element • the 95th element • the 25th element • the 94th element • the 58th element • the 38th element • the 54th element • the 93rd element • the 110th element • the 107th element • the 109th element • the 117th element • the first element • ...

Chemistry Vocabulary 2021-09-13

Chemistry Vocabulary crossword puzzle
Across
  1. a stable isotope twice the weight of the usual isotope
  2. acquires electrons to form negative charges
  3. electrons surrounding the nucleus
  4. used to measure mass-to-charge ratio
  5. size of atoms in chemical element
  6. protons minus neutrons
  7. minimum amount to remove the most loose electron
  8. positively charged center of the atom
  9. resides on the periodic table
  10. positive charge
  11. positively charged and attracted to cathrode
Down
  1. set of elements occupying periodic table
  2. House of the elements
  3. two or more elements with equal protons
  4. neutral charge
  5. composed of multiple elements
  6. column in periodic table
  7. total amount of protons and neutrons
  8. negatively charges and attracted to
  9. negative charge

20 Clues: neutral charge • negative charge • positive charge • House of the elements • protons minus neutrons • column in periodic table • composed of multiple elements • resides on the periodic table • electrons surrounding the nucleus • size of atoms in chemical element • negatively charges and attracted to • used to measure mass-to-charge ratio • total amount of protons and neutrons • ...

Chemistry Crossword 2022-03-21

Chemistry Crossword crossword puzzle
Across
  1. Biological catalysts contained in the cells of your body
  2. A characteristic of a substance that describes its ability to change into other substances
  3. The principle that states that matter is not created or destroyed during a chemical reaction
  4. The new substances you have after the reaction is complete
  5. The minimum amount of energy needed to start a chemical reaction
  6. A solid that forms from a specific solution
  7. Matter is not allowed to enter or leave
  8. A rapid reaction between oxygen and a substance called fuel, the result of which is fire
  9. A reaction is which energy is absorbed
  10. Anything that has mass and takes up space
  11. Burning a marshmallow
  12. Squishing a marshmallow
  13. A material that releases energy when it burns
  14. A characteristic of a substance that can be observed without changing the substance into another substance
  15. A material used to decrease the rate of a reaction
Down
  1. The process that breaks down compounds into simpler products
  2. A short, easy way to show a chemical reaction, using symbols instead of words
  3. The amount of a substance in a given volume
  4. The substances you have at the beginning of a chemical equation
  5. The number placed in front of a chemical formula in an equation
  6. A reaction that releases energy in the form of heat
  7. The process where two or more elements or compounds combine to make a more complex substance
  8. A material that increases the rate of a reaction by lowering the activation energy
  9. The study of matter and how matter changes
  10. Matter can enter from or escape to the surroundings
  11. The process where one element replaces another in a compound, or when two elements in different compounds trade places

26 Clues: Burning a marshmallow • Squishing a marshmallow • A reaction is which energy is absorbed • Matter is not allowed to enter or leave • Anything that has mass and takes up space • The study of matter and how matter changes • The amount of a substance in a given volume • A solid that forms from a specific solution • A material that releases energy when it burns • ...

Carbonyl Chemistry 2022-03-17

Carbonyl Chemistry crossword puzzle
Across
  1. a Lewis dot structure for a given compound
  2. Widely used to methylate carboxylic acids
  3. a dynamic state where the concentration of reactants remain constant
  4. a type of chemical that your liver produces when it breaks down fats
  5. making complicated chemical compounds out of simpler ones
  6. a naturally occurring organic compound with the formula CH₂O
  7. a moiety derived by the removal of one or more hydroxyl groups from an oxoacid, including inorganic acids
  8. are a class of lipids whose molecule has a hydrophilic "head" containing a phosphate group and two hydrophobic "tails" derived from fatty acids, joined by an alcohol residue
  9. overlap that exists between C and O 2p orbitals
  10. Have high boiling points and are able to H-bond
  11. reagent with the generic formula R−Mg−X, where X is a halogen and R is an organic group, normally an alkyl or aryl
Down
  1. Reduces double bond character and also allows more resonance
  2. addition of a proton to a molecule forming a conjugate acid
  3. is the simplest carbonyl group
  4. lipids that give your body energy
  5. a species with a lot of electrons that can donate a pair of electrons
  6. a specific group of atoms or bonds within a compound that is responsible for the characteristic chemical reactions of that compound.
  7. the person who the esterification reaction is named after
  8. any member of a class of substances containing at least one metal-to-carbon bond in which the carbon is part of an organic group
  9. the removal of a proton, from a Brønsted–Lowry acid in an acid–base reaction
  10. chemical compound containing the group C≡N

21 Clues: is the simplest carbonyl group • lipids that give your body energy • Widely used to methylate carboxylic acids • a Lewis dot structure for a given compound • chemical compound containing the group C≡N • overlap that exists between C and O 2p orbitals • Have high boiling points and are able to H-bond • the person who the esterification reaction is named after • ...

Chemistry Vocabulary 2021-12-08

Chemistry Vocabulary crossword puzzle
Across
  1. how you calculate protrons, electrons, and neutrons
  2. tells you the number of valence electrons and are sorted up and down
  3. an push or pull on an object that is measured in newtons
  4. how many levels/rings and are arranged left to right
  5. change that you can't see in and changes
  6. continents move constant and move slowy over time
  7. mass x accleration=force
  8. glide aganist each other
  9. change in speed, direction, or both
Down
  1. where the sediment are moved to
  2. distance an object moves then divided by the time it takes
  3. how the sediments are moved
  4. changes that you can see in an substance
  5. direction plus speed
  6. move away from each other
  7. breaks down rocks and creates sediment
  8. tell the evelation of structures on a map
  9. crash into each other
  10. an object that is in motion while stay in motion until acted upon
  11. for every reaction there wll be an opposite reaction

20 Clues: direction plus speed • crash into each other • mass x accleration=force • glide aganist each other • move away from each other • how the sediments are moved • where the sediment are moved to • change in speed, direction, or both • breaks down rocks and creates sediment • changes that you can see in an substance • change that you can't see in and changes • ...

Chemistry Review 2021-12-09

Chemistry Review crossword puzzle
Across
  1. what did the fish say when it hit the wall geothermal energy from the cave dwellers
  2. lid off
  3. more than one atom
  4. assigned number
  5. building block of life
  6. made up
  7. rows
  8. see the parts
  9. point when it starts to float away
  10. fuels dinosaur power,
  11. pulled through a wire
  12. of matter solid, liquid and gas
  13. uses panels
  14. also known as gases
  15. not going to be around forever
  16. energy connection
  17. always happy
  18. its how the periodic table is organized metals makes up most of the periodic table
  19. outer shell
  20. columns
  21. more than one type of element
  22. cow poo
  23. change tearing paper
Down
  1. boom equation
  2. liquid now solid
  3. a well blended solution
  4. got plenty to go around
  5. takes
  6. organizes ALL things
  7. right
  8. uranium
  9. boom
  10. starts with boron
  11. hold the heat
  12. cannot be, nor...
  13. front number
  14. mass divided by volume
  15. meltable
  16. change compounds are separated
  17. system lid on
  18. left
  19. not a friend to birds
  20. bottom number
  21. takes no sides
  22. point when it starts to fall apart
  23. sheets
  24. always sad
  25. shares
  26. equals

49 Clues: boom • rows • left • takes • right • sheets • shares • equals • lid off • uranium • made up • columns • cow poo • meltable • always sad • uses panels • outer shell • front number • always happy • boom equation • hold the heat • see the parts • system lid on • bottom number • takes no sides • assigned number • liquid now solid • starts with boron • cannot be, nor... • energy connection • more than one atom • also known as gases • ...

chemistry vocab 2021-12-09

chemistry vocab crossword puzzle
Across
  1. change in state of matter, shape or size
  2. electricity cannot pass through it
  3. weight of neutrons, electrons, protons
  4. electricity can pass through it
  5. if something is hot or cold
  6. substance that emits a glow
  7. can be made into a wire
  8. neutral part of an atom
  9. shatters easily
  10. positive part in an atom
  11. can be bent or hammered into a sheet
Down
  1. has to have a new solid form in order to happen
  2. non-seable object that humans breathe
  3. something shiny
  4. what humans are made of
  5. something that markers have
  6. opposite of shiny
  7. change where atoms are rearranged
  8. when a knew solid is formed
  9. outside part of an atom

20 Clues: something shiny • shatters easily • opposite of shiny • what humans are made of • can be made into a wire • neutral part of an atom • outside part of an atom • positive part in an atom • something that markers have • if something is hot or cold • substance that emits a glow • when a knew solid is formed • electricity can pass through it • change where atoms are rearranged • ...

chemistry vocab 2021-12-09

chemistry vocab crossword puzzle
Across
  1. change in state of matter, shape or size
  2. electricity cannot pass through it
  3. weight of neutrons, electrons, protons
  4. electricity can pass through it
  5. if something is hot or cold
  6. substance that emits a glow
  7. can be made into a wire
  8. neutral part of an atom
  9. shatters easily
  10. positive part in an atom
  11. can be bent or hammered into a sheet
Down
  1. has to have a new solid form in order to happen
  2. non-seable object that humans breathe
  3. something shiny
  4. what humans are made of
  5. something that markers have
  6. opposite of shiny
  7. change where atoms are rearranged
  8. when a knew solid is formed
  9. outside part of an atom

20 Clues: something shiny • shatters easily • opposite of shiny • what humans are made of • can be made into a wire • neutral part of an atom • outside part of an atom • positive part in an atom • something that markers have • if something is hot or cold • substance that emits a glow • when a knew solid is formed • electricity can pass through it • change where atoms are rearranged • ...

Chemistry Vocab 2022-01-31

Chemistry Vocab crossword puzzle
Across
  1. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
  2. the nature of something's ingredients or constituents; the way in which a whole or mixture is made up
  3. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
  4. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
  5. a characteristic of a particular substance that can be observed in a chemical reaction
  6. a group of atom bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  7. a pure substance consisting only of atoms that all have the same number of protons in their nuclei
  8. the basic unit of a chemical element
  9. the idea that every substance has at least one property that makes it unique and able to be differentiated from other substances
  10. consisting of uncombined atoms rather than molecules
Down
  1. a physical or chemical property that is unique to a particular substance
  2. a particle kind of matter with uniform properties
  3. relating to the nucleus of an atom
  4. a thing that is composed of two or more separate elements; a mixture
  5. of, involving, or comprising a foundation; basic
  6. marked by lack of variation, diversity, change in form, degree or character in all occurrences or manifestations
  7. a minute portion of matter
  8. the reactions a system produces in response to a particular circumstance
  9. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids
  10. a substance made by mixing other substances together

20 Clues: a minute portion of matter • relating to the nucleus of an atom • the basic unit of a chemical element • of, involving, or comprising a foundation; basic • a particle kind of matter with uniform properties • a substance made by mixing other substances together • consisting of uncombined atoms rather than molecules • ...

Chemistry Naming 2022-03-06

Chemistry Naming crossword puzzle
Across
  1. CdBr2
  2. Ti2O3
  3. (NH4)2S
  4. Zn(NO2)2
  5. PCl3
  6. WAs2
  7. FeCl2
  8. Cu(ClO)2
  9. CuO
  10. CS2
  11. Hg2Se
  12. AuP
  13. Zn3(PO4)2
  14. Pb3N4
Down
  1. CO
  2. C5H10
  3. SBr2
  4. BaSO4
  5. MnCl3
  6. Ag2CO3
  7. Co2(Cr2O7)3
  8. N2O
  9. Al(CN)3
  10. K2O
  11. O2
  12. NaOH
  13. F2

27 Clues: CO • O2 • F2 • N2O • K2O • CuO • CS2 • AuP • SBr2 • PCl3 • WAs2 • NaOH • C5H10 • CdBr2 • BaSO4 • Ti2O3 • MnCl3 • FeCl2 • Hg2Se • Pb3N4 • Ag2CO3 • Al(CN)3 • (NH4)2S • Zn(NO2)2 • Cu(ClO)2 • Zn3(PO4)2 • Co2(Cr2O7)3

Chemistry crossword 2021-07-12

Chemistry crossword crossword puzzle
Across
  1. Fatty foods become rancid due to the process of __
  2. what type of reaction is represented by digestion in our body
  3. Oxide of which element is used as major ingredient in cement
  4. aqueous solution of sodium chloride is known as?
  5. Equation which doesn't follow the law of conservation of mass
  6. When Carbon Dioxide passes through lime water it turns lime water?
  7. plaster of paris changes to ___ on mixing with wate
  8. hydrogen gas burns with __ sound
  9. ___agent reduces the other reactant and oxidizes itself
  10. oxidation of fats and oils which makes the smell and taste bad is known as?
  11. __ gas is filled in packet of chips to prevent rancidity
Down
  1. Gas evolved when zinc reacts with dilute HCL
  2. What does the symbol (aq) represent in a chemical equation
  3. On heating calcium carbonate turns into calcium __
  4. we should never change __ of formula
  5. white silver chloride changes into ___colour when exposed to sunlight
  6. change in state is ___ reaction
  7. Respiration is example of _ reaction?
  8. PH stands for ___in German meaning power
  9. indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution
  10. brown flake substance acquires on the surface of iron after long exposure to moisture is ?
  11. ___Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound

22 Clues: change in state is ___ reaction • hydrogen gas burns with __ sound • we should never change __ of formula • Respiration is example of _ reaction? • PH stands for ___in German meaning power • Gas evolved when zinc reacts with dilute HCL • aqueous solution of sodium chloride is known as? • Fatty foods become rancid due to the process of __ • ...

Chemistry crossword 2021-07-13

Chemistry crossword crossword puzzle
Across
  1. brown flake substance acquires on the surface of iron after long exposure to moisture is ?
  2. When Carbon Dioxide passes through lime water it turns lime water?
  3. Fatty foods become rancid due to the process of __
  4. __ gas is filled in packet of chips to prevent rancidity
  5. change in state is _ reaction
  6. ___agent reduces the other reactant and oxidizes itself
  7. we should never change __ of formula
  8. aqueous solution of sodium chloride is known as?
  9. oxidation of fats and oils which makes the smell and taste bad is known as?
  10. plaster of paris changes to _ on mixing with water
Down
  1. Equation which doesn't follow the law of conservation of mass
  2. PH stands for ___in German meaning power
  3. ___Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound
  4. On heating calcium carbonate turns into calcium __
  5. Respiration is example of _ reaction?
  6. Gas evolved when zinc reacts with dilute HCL
  7. Oxide of which element is used as major ingredient in cement
  8. white silver chloride changes into ___colour when exposed to sunlight
  9. hydrogen gas burns with __ sound
  10. What does the symbol (aq) represent in a chemical equation

20 Clues: change in state is _ reaction • hydrogen gas burns with __ sound • we should never change __ of formula • Respiration is example of _ reaction? • PH stands for ___in German meaning power • Gas evolved when zinc reacts with dilute HCL • aqueous solution of sodium chloride is known as? • Fatty foods become rancid due to the process of __ • ...

Chemistry=1 2021-07-30

Chemistry=1 crossword puzzle
Across
  1. separated from traditional alchemy
  2. transformation to marketable food
  3. paraffin,kerosene
  4. insecticide
  5. fungicides
  6. First metals isolated
  7. Early chemists
  8. antibiotics
  9. Alchemy first appeared
  10. elements in talcum powder
Down
  1. Joseph Priestly
  2. medicines Alchemy used in India
  3. products used to cleanse
  4. Fertilisers
  5. pesticides used to kill
  6. minerals
  7. talcum powder mineral
  8. stone Goal of alchemy
  9. Systematic ongoing action
  10. Origin of alchemy

20 Clues: minerals • fungicides • Fertilisers • insecticide • antibiotics • Early chemists • Joseph Priestly • paraffin,kerosene • Origin of alchemy • First metals isolated • talcum powder mineral • stone Goal of alchemy • Alchemy first appeared • pesticides used to kill • products used to cleanse • Systematic ongoing action • elements in talcum powder • medicines Alchemy used in India • ...

chemistry performance 2022-01-04

chemistry performance crossword puzzle
Across
  1. electron beam or e-beam
  2. Co
  3. O
  4. Fe
  5. the curved path of a celestial object or spacecraft round a star, planet, or moon, especially a periodic elliptical revolution.
  6. designed to flush the eye and face area only.
  7. C
  8. electrons surrounded by a volume of positive charge, like negatively charged "plums" embedded in a positively charged "pudding".
  9. Na
  10. Mg
  11. Ne
Down
  1. B
  2. Cu
  3. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  4. Ag
  5. Zn
  6. Si
  7. Al
  8. Au
  9. Ar

20 Clues: B • O • C • Cu • Ag • Co • Fe • Zn • Si • Al • Au • Na • Mg • Ar • Ne • electron beam or e-beam • designed to flush the eye and face area only. • the curved path of a celestial object or spacecraft round a star, planet, or moon, especially a periodic elliptical revolution. • electrons surrounded by a volume of positive charge, like negatively charged "plums" embedded in a positively charged "pudding". • ...

Chemistry Crossword 2021-12-14

Chemistry Crossword crossword puzzle
Across
  1. first ionic name
  2. answer to the atomic radius combination lock
  3. h2 dance move
  4. answer to lock two clue three
  5. element lock
  6. compound lock
  7. nh3 dance move
  8. answers to the second lock in the playroom
  9. answer to lock one clue three
  10. third ionic name
  11. mass of the lit candles from least to greatest
  12. answer to lock three clue three
  13. answer to the electronegativity combination lock
  14. answers to the first lock in the playroom
  15. co2 dance move
Down
  1. compound that turned blue during flame test
  2. mixture lock
  3. answer to the electron configuration clue
  4. most common isotope of alpha decay product
  5. h2o dance move
  6. answers to thrid lock in the playroom
  7. ingredient with the highest mass from clue one
  8. second ionic name
  9. answer to ionization energy combination lock

24 Clues: mixture lock • element lock • h2 dance move • compound lock • nh3 dance move • h2o dance move • co2 dance move • first ionic name • third ionic name • second ionic name • answer to lock two clue three • answer to lock one clue three • answer to lock three clue three • answers to thrid lock in the playroom • answer to the electron configuration clue • answers to the first lock in the playroom • ...

Chemistry Review 2021-12-14

Chemistry Review crossword puzzle
Across
  1. fusion small nuclei combine to form one large nuclei
  2. property is something that is measurable or observed
  3. the same number of valence electrons
  4. bonds between metals
  5. two or more substances physically combined
  6. energy energy it takes to remove an electron
  7. radius size of atom bottom left
  8. bond nonmetal and nonmetal
  9. decay radioactive isotopes emit a ___particle
  10. an idea that has evidence to support it
  11. same element with different masses
  12. unstable isotope
  13. excitation electron jumps up a level
  14. bond metal and nonmetal
  15. an educated guess
  16. charged particles
  17. spectrum range of wavelengths of radiation
Down
  1. how badly an atom wants bonding electron
  2. structures show valence electron bonds
  3. decay does NOT involve particles emission of ___ rays
  4. if it can dissolve in water
  5. NH4
  6. relaxation jumps down a level
  7. property physical property that depends on the amount (size, mass, and volume)
  8. property reactivity or chemical composition
  9. property physical property that does NOT depend on the amount
  10. substance substance that can not be physically separated
  11. fission large nuclei split to form small, stable nuclei
  12. negatively charged ion
  13. gives off energy
  14. color of light
  15. positively charged ion
  16. breaks down
  17. configuration location of an electron
  18. mixture unevenly mixed
  19. ion more than 2 elements
  20. same number of energy levels
  21. sheet with hazards and properties of a chemical
  22. mixture evenly mixed
  23. decay change element charge does NOT change mass

40 Clues: NH4 • breaks down • color of light • gives off energy • unstable isotope • an educated guess • charged particles • bonds between metals • mixture evenly mixed • negatively charged ion • positively charged ion • mixture unevenly mixed • bond metal and nonmetal • ion more than 2 elements • bond nonmetal and nonmetal • if it can dissolve in water • same number of energy levels • ...

Chemistry Vocab 2021-12-13

Chemistry Vocab crossword puzzle
Across
  1. The small, lowered number that indicates the number of atoms of one element in a formula.
  2. Smallest unit of matter
  3. A negatively charged particle found outside the nucleus of an atom.
  4. Type of property that can only be observed by changing the chemical makeup.
  5. Stands for atomic mass unit; the unit used to measure the mass of an atom.
  6. Two or more atoms bonded together.
  7. A positively charged particle in the nucleus of an atom
  8. Anything that has mass and takes up space
  9. Type of property that can be observed without changing the chemical makeup.
  10. Horizontal row on a periodic table
  11. A shorthand way to represent a chemical reaction is a chemical ____.
  12. The number of protons plus the number of neutrons
Down
  1. A shorthand way to represent an element is a chemical_____.
  2. An organized chart of the periodic table
  3. Tells the number of protons in one atom of an element
  4. A shorthand way to represent the chemical makeup of a compound is a chemical___.
  5. Vertical column on a periodic table
  6. A particle in the nucleus of an atom with no charge
  7. The large number next to a chemical formula that tells how any molecules there are.
  8. A pure substance made up of one type of atom.
  9. Where protons and neutrons are found in an atom.
  10. Two or more DIFFERENT atoms bonded together
  11. Electron found in the outermost energy level that forms bonds with other atoms.

23 Clues: Smallest unit of matter • Two or more atoms bonded together. • Horizontal row on a periodic table • Vertical column on a periodic table • An organized chart of the periodic table • Anything that has mass and takes up space • Two or more DIFFERENT atoms bonded together • A pure substance made up of one type of atom. • Where protons and neutrons are found in an atom. • ...

Chemistry Crossword 2021-12-13

Chemistry Crossword crossword puzzle
Across
  1. the name for the group 7 elements
  2. Everything is made up of ...
  3. the group 0 elements are ___
  4. the group 1 elements get ____ reactive going down
  5. this gas is lighter than air and makes your voice squeaky
  6. the symbol O stands for
  7. the name for the reactions the halogens do
  8. two or more atoms/compounds not chemically bonded
  9. a substance made up of two or more atoms chemically bonded
  10. these are sonorous, ductile & can conduct
  11. Rutherford shot these particles at gold foil
  12. subatomic particle with a neutral charge
  13. how many electrons can fit on the first energy level
  14. the group 0 elements are the ___ gases
  15. the formula for table salt
  16. the type of bonding found between 2 or more non-metals
  17. another word for energy levels
Down
  1. the group 1 elements are called the ___ metals
  2. contains protons and neutrons
  3. the name for horizontal rows in the periodictable
  4. the name for vertical columns in the periodictable
  5. JJ Thomson discovered this subatomic particle
  6. something that cant dissolve
  7. how many electrons can fit on the second shell
  8. this is formed when an atom looses or gains and electron
  9. the group 7 elements get ___ going down
  10. James ____ discovered the neutron
  11. these are found to the left, to the left
  12. the pH of a neutral substance
  13. sub atomic particle with a positive charge
  14. this element is in, coal, diamond and graphite

31 Clues: the symbol O stands for • the formula for table salt • Everything is made up of ... • the group 0 elements are ___ • something that cant dissolve • contains protons and neutrons • the pH of a neutral substance • another word for energy levels • the name for the group 7 elements • James ____ discovered the neutron • the group 0 elements are the ___ gases • ...

Everyday Chemistry 2022-04-11

Everyday Chemistry crossword puzzle
Across
  1. Positively charged particles
  2. _____ rule states when several orbitals are available in a subshell, each orbital gets one electron before the electrons pair up
  3. ___________ electrons are the electrons in the outermost principal energy level of an atom.
  4. He
  5. Ni
  6. Na
  7. A _______ table is a table of the chemical elements arranged in order of atomic number
  8. A substance that ionizes in water to form hydrogen ions, H+. Taste sour and turns litmus paper red.
  9. Ti
  10. Electron configuration for this element is
  11. _______ is a strong acid that is used in car batteries
  12. Fe
Down
  1. The _____________ is the first antibiotic discovered by the scientist Alexander Fleming
  2. Smallest particle of an element
  3. Nuclear particle with no charge
  4. Vertical columns in the periodic table, where elements contain similar chemical properties
  5. Made of 2 or more elements that are chemically combines
  6. Co
  7. Form positive ions
  8. The study ofthe behavior of matter and its charges and how it interacts with other matter and energy
  9. A substance that produces hydroxide ions, HO− , in water. Taste bitter and turns litmus paper blue
  10. The fundamental states of matter are: Liquid, solid, and _____
  11. Negatively charged ions
  12. ______ Curie first discovered the radioactive elements polonium and radium

24 Clues: He • Ni • Na • Co • Ti • Fe • Form positive ions • Negatively charged ions • Positively charged particles • Smallest particle of an element • Nuclear particle with no charge • Electron configuration for this element is • _______ is a strong acid that is used in car batteries • Made of 2 or more elements that are chemically combines • ...

Chemistry Vocab 2021-09-28

Chemistry Vocab crossword puzzle
Across
  1. This happens when the identity of a substance changes.
  2. A high-temperature state of matter in which atoms lose most of their electrons.
  3. Has neither definite volume nor shape.
  4. A broad generalization that explains a body of known facts or phenomena.
  5. Has a definite volume and shape.
  6. This is a change that does not affect the identity of the substance.
  7. Has a definite volume but an indefinite shape.
  8. Closeness to the correct or accepted value.
  9. Measurements represent ____________. A __________ is something that has magnitude, size, or amount.
  10. The system of measurement used in science, such as meter, kilogram, second, kelvin, mole, ampere, and candela.
  11. ______ is the measure of gravitational pull on matter.
  12. The name for this comes from the Greek word for indivisible.
  13. These make up the periodic table.
  14. composed of two or more separate elements held together by chemical bonds.
Down
  1. A testable statement that serves as the basis for predictions and experiments.
  2. A scientific approach to solving a problem or answering a question.
  3. Closeness of values for a set of measurements.
  4. _______ is the ratio of mass to volume.
  5. All matter has _______ and takes up space.
  6. The is a measure of how much space matter takes up.

20 Clues: Has a definite volume and shape. • These make up the periodic table. • Has neither definite volume nor shape. • _______ is the ratio of mass to volume. • All matter has _______ and takes up space. • Closeness to the correct or accepted value. • Closeness of values for a set of measurements. • Has a definite volume but an indefinite shape. • ...

Chemistry Crossword 2017-03-23

Chemistry Crossword crossword puzzle
Across
  1. a substance that increases the rate of a reaction but is not used up in the reaction
  2. a long chain molecule formed by joining of many smaller molecules (monomers)
  3. a reaction that involves the breakdown of a compound
  4. a strong acid readily releases a hydrogen ion in a chemical reaction
  5. an object/substance that can broken by bacteria/fungi and other living organisms
  6. a reaction that involves the building up of compounds by combining elements
  7. an acid which most of its molecules release hydrogen ions into solution
  8. a reaction in which an acid and a base combine to produce a metal salt and water
  9. a reaction that involves oxygen, light and heat energy
  10. a small molecule from which polymers are made
  11. an acid solution with a high concentration
  12. a reaction used to produce solid products from solutions of ionic substances
  13. A theory that says the particles must collide to react
  14. how fast or slow a reaction proceeds
  15. a mixture of solute dissolved in water
Down
  1. the number of active molecules in a set volume of solution
  2. an ion that does not take part in a chemical reaction
  3. a reaction that involves the combination of oxygen with a fuel or metal
  4. an insoluble compound formed in a precipitation reaction
  5. process of joining of smaller units (monomers) to form a polymer
  6. a molecule that contains only carbon and hydrogen atoms
  7. a small number of active molecules (acid) in a solution

22 Clues: how fast or slow a reaction proceeds • a mixture of solute dissolved in water • an acid solution with a high concentration • a small molecule from which polymers are made • a reaction that involves the breakdown of a compound • an ion that does not take part in a chemical reaction • a reaction that involves oxygen, light and heat energy • ...

Chemistry Crossword 2017-03-25

Chemistry Crossword crossword puzzle
Across
  1. It is defined as the number of moles of solute in 1 L of solution.
  2. This refers to having a measurable vapor pressure. The vapor pressure of the solution is the sum of the individual partial pressure.
  3. The term used when the solvation process used water as the solvent.
  4. The selective passage of solvent molecules through a porous membrane from a dilute solution to a more concentrated one.
  5. An English chemist. His major contribution to science was his discovery of the law describing the solubility of gases, which now bears his name.
  6. A type of solution that contains less solute than it has the capacity to dissolve.
  7. _________ solution is a solution that obeys the Raoult's law. One of its characteristics is that its heat of the solution is zero.
  8. The process in which dissolved solute comes out of solution and forms crystals.
  9. A dispersion of particles of one substance throughout a dispersing medium made of another substance.
  10. A process that causes cells to shrink and, eventually, to cease functioning.
  11. A type of solution that contains the maximum amount of a solute that will dissolve in a given solvent at a specific temperature.
Down
  1. The number of moles of solute dissolved in 1 kg of solvent.
  2. It refers to adherence onto a surface.
  3. A type of solution that contains more solute than what is present in a saturated solution.
  4. It is made up of one or more cations and one or more anions held together by electrostatic force.
  5. Also known as "water-loving". These are solutions that usually contains extremely large molecules such as proteins.
  6. The ration of mass of a solute to the mass of the solution, multiplies by 100%.
  7. The process in which an ion or a molecule is surrounded by solvent molecules arranged in a specific manner.
  8. The term used if two liquids are completely soluble in each other in all proportions.
  9. __________ properties are properties that depend only on the number of solute particles in solution and not on the nature of the solute particles.

20 Clues: It refers to adherence onto a surface. • The number of moles of solute dissolved in 1 kg of solvent. • It is defined as the number of moles of solute in 1 L of solution. • The term used when the solvation process used water as the solvent. • A process that causes cells to shrink and, eventually, to cease functioning. • ...

Chemistry Crossword 2017-03-04

Chemistry Crossword crossword puzzle
Across
  1. The process of chilling a liquid below its freezing point,without it becoming solid.
  2. This exists once a reversible reaction ceases to change its ratio of reactants or products, but substances move between the chemicals at an equal rate.
  3. The electrostatic attraction between two polar groups that occurs when a hydrogen atom covalently bond to a highly electronegative atom such as nitrogen, oxygen or fluorine.
  4. The pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
  5. Shows how the temperature changes as a substance is heated up at a constant rate.
  6. The most basic and least volume consuming repeating structure of any solid. When it repeats itself, the network is called lattice.
  7. Any force that holds together the atoms making up a molecule or compound.
  8. Another type of bulk property defined as a liquid's resistance to flow.
  9. This is caused by the attraction of the particles in the surface layer by the bulk of the fluid, which tends to minimize surface area.
  10. A molecule in which a concentration of positive electric charge is separated from a concentration of negative charge.
Down
  1. From the Latin word "cohaerere" meaning "stick or stay together." The action or property of like molecules sticking together, being mutually attractive.
  2. The weakest intermolecular force. Sometimes called an induced dipole-induced dipole attraction.
  3. Named after the Dutch scientist. Residual attractive or repulsive forces between molecules or atomic groups that do not arise from covalent bonds, nor ionic bonds.
  4. Forces which mediate interaction between molecules.
  5. The temperature and pressure at which solid, liquid, and vapor phases of a particular substance coexist in equilibrium.
  6. The temperature at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied.
  7. The pressure exerted by a fluid at equilibrium at a given point within the fluid, due to the force of gravity.
  8. The ability to form instantaneous dipoles. Determine the dynamical response of a bond system to external fields,and provide insight into a molecule's internal structure.
  9. The temperature at which its vapor pressure is equal to the pressure of the gas above it.
  10. The tendency of dissimilar particles or surfaces to cling to one another.

20 Clues: Forces which mediate interaction between molecules. • Another type of bulk property defined as a liquid's resistance to flow. • Any force that holds together the atoms making up a molecule or compound. • The tendency of dissimilar particles or surfaces to cling to one another. • Shows how the temperature changes as a substance is heated up at a constant rate. • ...

Chemistry 8 2017-05-10

Chemistry 8 crossword puzzle
Across
  1. Consisting of two atoms
  2. The positively changed dense center of an atom
  3. An atom or molecule that carries an electrical charge
  4. The smallest component of an element having the chemical properties of the element
  5. The vertical row on the periodic table
  6. A particle smaller than an atom
  7. Are the chemical elements found in Group 1 of the periodic table.
  8. They are most active of the non-metals, and form compound with elements
  9. Any of the more than 100 known substances that cannot be separated into simpler substances and that singly or in combination all matter
  10. Negatively charged subatomic particle charges and that is found in the nucleus of an atom
  11. A subatomic particle that has no charge and that is found in the nucleus of an atom
Down
  1. A subatomic particle that has a positive charge and that is found in the nucleus of an atom
  2. An electric charge that forms on an atom when it gains or loses electrons
  3. The theory that all matter is made up of tiny particles (atoms)
  4. Consisting of many atoms
  5. The number at bottom of the little box - represents the weight of an atom
  6. The electron(s) in the outermost shell of the atom
  7. Characteristics that can only be determined with a chemical reaction
  8. The outermost shell of the atom
  9. The number at the top of the little box -represent the number of protons in the nucleus of an atom

20 Clues: Consisting of two atoms • Consisting of many atoms • A particle smaller than an atom • The outermost shell of the atom • The vertical row on the periodic table • The positively changed dense center of an atom • The electron(s) in the outermost shell of the atom • An atom or molecule that carries an electrical charge • ...

CONSUMER CHEMISTRY 2017-01-26

CONSUMER CHEMISTRY crossword puzzle
Across
  1. The second basic dye discovered.
  2. This term refers to ceramic pieces that have not been fired.
  3. A natural mosquito repellent that is 10 times more effective than DEET.
  4. A substance that adds odor to products.
  5. Soduim Hydroxide.
  6. They have been identified as hormone-mimicking chemicals.
  7. The oldest dye used by humans.
  8. Has a natural insecticide called Pyrethum that terminates insects.
  9. Not a true wax but usually added in beeswax in cosmetics.
  10. Used in cosmetics to absorb moisture but can cause cancer to men and women.
  11. It clogs the pores and interferes with the skin's ability to eliminate toxins.
  12. This means "burnt material".
  13. Used in preference of water as a main ingredient of perfume that dissolves esters readily.
Down
  1. A mordant dye use of ________ to bind dye molecule with fiber.
  2. color of the first cotton dye
  3. A recommendation of WHO for protection against mosquitoes that does not irritate skin.
  4. They are also called skin therapists, specialize in treatments of skin.
  5. The first synthetic dye
  6. Can be ddictive to skin tissues and has no benefit to them.
  7. The most widely use preservative in cosmetics but it is not listed on the product's ingredients.
  8. The alkaline hydrolysis of fat is called as _________.
  9. A derivative of crude oil.
  10. Basically refer to the colored products intended to alter the user's appearance.
  11. The largest organ in the human body.
  12. First alloy that was made by humans.
  13. Substitute to vegetable dye.
  14. Used to carry active ingredients in transdermal that patches deep inside the skin.
  15. Used as emulsifying, thickening, suspensing and dispersing agent.
  16. John Mercer : Mercerzation :: Tennant :_________
  17. It is a carcinogen that is the major cause of ovarian cancer.

30 Clues: Soduim Hydroxide. • The first synthetic dye • A derivative of crude oil. • Substitute to vegetable dye. • This means "burnt material". • color of the first cotton dye • The oldest dye used by humans. • The second basic dye discovered. • The largest organ in the human body. • First alloy that was made by humans. • A substance that adds odor to products. • ...

CONSUMER CHEMISTRY 2017-01-26

CONSUMER CHEMISTRY crossword puzzle
Across
  1. Can be ddictive to skin tissues and has no benefit to them.
  2. Has a natural insecticide called Pyrethum that terminates insects.
  3. Not a true wax but usually added in beeswax in cosmetics.
  4. A mordant dye use of ________ to bind dye molecule with fiber.
  5. The first synthetic dye
  6. Basically refer to the colored products intended to alter the user's appearance.
  7. Used as emulsifying, thickening, suspensing and dispersing agent.
  8. Used in cosmetics to absorb moisture but can cause cancer to men and women.
  9. color of the first cotton dye
  10. A recommendation of WHO for protection against mosquitoes that does not irritate skin.
  11. They have been identified as hormone-mimicking chemicals.
  12. First alloy that was made by humans.
  13. The oldest dye used by humans.
  14. The largest organ in the human body.
  15. Used to carry active ingredients in transdermal that patches deep inside the skin.
  16. A natural mosquito repellent that is 10 times more effective than DEET.
Down
  1. John Mercer : Mercerzation :: Tennant :_________
  2. The alkaline hydrolysis of fat is called as _________.
  3. Soduim Hydroxide.
  4. A derivative of crude oil.
  5. This term refers to ceramic pieces that have not been fired.
  6. They are also called skin therapists, specialize in treatments of skin.
  7. The second basic dye discovered.
  8. It clogs the pores and interferes with the skin's ability to eliminate toxins.
  9. A substance that adds odor to products.
  10. The most widely use preservative in cosmetics but it is not listed on the product's ingredients.
  11. Used in preference of water as a main ingredient of perfume that dissolves esters readily.
  12. This means "burnt material".
  13. Substitute to vegetable dye.
  14. It is a carcinogen that is the major cause of ovarian cancer.

30 Clues: Soduim Hydroxide. • The first synthetic dye • A derivative of crude oil. • This means "burnt material". • Substitute to vegetable dye. • color of the first cotton dye • The oldest dye used by humans. • The second basic dye discovered. • First alloy that was made by humans. • The largest organ in the human body. • A substance that adds odor to products. • ...

Chemistry Review 2017-02-10

Chemistry Review crossword puzzle
Across
  1. the path something travels along
  2. column of elements on periodic table
  3. mass of an element
  4. horizontal row of periodic table
  5. group of atoms bonded together
  6. mass that can not be destroyed by a chemical reaction
  7. a substance, periodic table is filled with them
  8. solid material, malleable
  9. good conductors
  10. not a metal
  11. heat reaction
  12. no electric charge
  13. the basic unit of a chemical element
Down
  1. "the center"
  2. substance formed by chemical reaction
  3. negative electric charge
  4. electrons on outermost shell
  5. number of protrons in nucleus of atom
  6. cold reaction
  7. usually unreactive, gas elements
  8. developed periodic table
  9. essentially a picture/shape
  10. substance that takes part in a reaction
  11. composed of two or more elements
  12. positive electric charge

25 Clues: not a metal • "the center" • cold reaction • heat reaction • good conductors • mass of an element • no electric charge • negative electric charge • developed periodic table • positive electric charge • solid material, malleable • essentially a picture/shape • electrons on outermost shell • group of atoms bonded together • the path something travels along • horizontal row of periodic table • ...

Chemistry Crossword 2017-03-31

Chemistry Crossword crossword puzzle
Across
  1. a substance that can flow and therefore take the shape of its container
  2. three-dimensional arrangement of particles of a crystal
  3. the temperature at which a solid becomes a liquid
  4. a hypothetical gas that perfectly fits all the assumptions of the kinetic-molecular theory
  5. a dynamic condition in which two opposing changes occur at equal rates in a closed system
  6. a process by which gas particles pass through a tiny opening
  7. the process by which a gas changes to a liquid
  8. mixing of the particles of two substances caused by their random motion
  9. the conversion of a liquid to a vapor within the liquid as well as its surface
  10. the process by which particles escape from the surface of a non boiling liquid and enter the gas state
  11. the smallest portion of a crystal lattice that shows the three dimensional pattern of the entire lattice is called a unit cell
  12. the change from a solid directly to a gas
Down
  1. indicates the temperature and pressure conditions at which the solid, liquid, and vapor of the substance can coexist at equilibrium
  2. the reverse of sublimation; the change of a state from a gas directly to a solid
  3. a force that tends to pull adjacent parts of a liquid's surface together, thereby decreasing surface area to the smallest possible size
  4. one in which there is no net loss of total kinetic energy
  5. liquids that evaporate readily
  6. the physical change of a solid to a liquid by the addition of energy as heat
  7. indicates the critical temperature and critical pressure
  8. is a substance in which the particles are arranged in an orderly geometric repeating pattern
  9. the process by which a liquid or solid changes to a gas is vaporization
  10. any part of a system that has uniform composition and properties
  11. the temperature at which the equilibrium vapor pressure of the liquid equals the atmospheric pressure
  12. the physical change of a liquid to a solid by removal of energy as heat
  13. a gas that does not behave completely according to the assumptions of the kinetic-molecular theory

25 Clues: liquids that evaporate readily • the change from a solid directly to a gas • the process by which a gas changes to a liquid • the temperature at which a solid becomes a liquid • three-dimensional arrangement of particles of a crystal • indicates the critical temperature and critical pressure • one in which there is no net loss of total kinetic energy • ...

Chemistry Vocabulary 2017-12-11

Chemistry Vocabulary crossword puzzle
Across
  1. an-atom-can-become-this-when-it-loses-or-gains-more-electrons
  2. a-type-of-diagram-for-drawing-atoms
  3. an-element-with-proporties-of-both-metals-and-non-metals
  4. a-subatomic-particle-with-a-positive-charge
  5. any-of-the-elements-beryllium-magnesium-calcium-strontium-barium-and-radium
  6. the-number-listed-on-the-top-left-of-an-element
  7. a-group-of-atoms-combined-to-make-a-chemical-compound-that-can-take-part-in-chemical-reactions
  8. a-numerical-or-constant-quantity-placed-before-and-multiplying-the-variable-in-an-algebraic-expression
  9. the-periodic-table-lists-these
  10. compounds-made-up-of-ions
  11. a-molecule-formed-by-covalent-bonds
  12. any-of-the-gaseous-elements-helium-neon-argon-krypton-xenon-and-radon
  13. any-of-the-elements-fluorine-chlorine-bromine-iodine-and-astatine
  14. the-relations-between-states-of-matter-to-particle-movement
  15. the-temperature-at-which-a-given-solid-will-melt-EX:ice
Down
  1. a-substance-made-b-mixing-other-substances-together
  2. an-element-or-substance-that-is-not-a-metal
  3. having-a-valence-of-one
  4. the-average-weight-of-an-element-EX-Lead-207
  5. a-subatomic-particle-with-a-negative-charge
  6. another-term-for-polyvalent
  7. iron-gold-silver-copper-and-aluminum-brass-and-steel
  8. an-ion-composed-of-two-or-more-atoms-covalently-bonded
  9. the-amount-of-space-that-a-substance-or-object-occupies
  10. a-thing-that-is-composed-of-two-or-more-separate-elements
  11. the-temperature-at-which-a-liquid-boils
  12. a-letter-figure-or-symbol-written-or-printed-below-the-line
  13. a-large-body-of-matter-EX:cup-dog-phone
  14. a-subatomic-particle-the-opposite-of-a-proton
  15. an-extremely-small-amount-of-a-thing-or-quality

30 Clues: having-a-valence-of-one • compounds-made-up-of-ions • another-term-for-polyvalent • the-periodic-table-lists-these • a-type-of-diagram-for-drawing-atoms • a-molecule-formed-by-covalent-bonds • the-temperature-at-which-a-liquid-boils • a-large-body-of-matter-EX:cup-dog-phone • an-element-or-substance-that-is-not-a-metal • a-subatomic-particle-with-a-positive-charge • ...

Chemistry Crossword 2018-01-19

Chemistry Crossword crossword puzzle
Across
  1. gas, some attraction, some volume
  2. gas, zero attraction, zero volume
  3. is anything that takes up space (volume) and has mass
  4. cylinder: used to measure the volume of a liquid
  5. C=K-273
  6. are particles with no charge
  7. change, a new substance
  8. measurements of the amount of space an object takes up
  9. is a measure of the average kinetic energy of the particles that make up a same of any material
  10. compares the mass of an object to it's volume
Down
  1. can be heated, holds various chemical, not for measuring
  2. energy, is associated with the movement of the particles
  3. are particles with positive charge
  4. figures: are used to determine the precision of a measurement
  5. measurements of the amount of matter in an object
  6. are particles with negative charge
  7. stand, base / pole of set-up
  8. is used to measure temperature
  9. change, a change in size, shape / no new substance
  10. K=C+ 273

20 Clues: C=K-273 • K=C+ 273 • change, a new substance • are particles with no charge • stand, base / pole of set-up • is used to measure temperature • gas, some attraction, some volume • gas, zero attraction, zero volume • are particles with positive charge • are particles with negative charge • compares the mass of an object to it's volume • ...

Chemistry Crossword 2018-01-25

Chemistry Crossword crossword puzzle
Across
  1. Atoms will always react when they have a full shell.
  2. Has Hydrogen and Carbon in it.
  3. The elements on the stair line.
  4. the guy who made the periodic table
  5. Total number of protons + neutrons.
  6. The group to the right of the Transition Metals and to the left of the Metallloids.
  7. Add mass to the atom.
  8. Do not add mass to the atom
  9. Most reactive non-metals.
Down
  1. The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
  2. Has Calcium and Barium.
  3. thing that holds all of the elements
  4. The letters of the elements.
  5. Top group of the 2 that is usually under and do not fit into the Periodic Table.
  6. Most reactive.
  7. Will never change, because it will become a different element.
  8. Tells the number of protons.
  9. Do not react at all.
  10. the study of the elements
  11. an atom with an electric charge due to loss or gain of electrons

20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • The letters of the elements. • Tells the number of protons. • Has Hydrogen and Carbon in it. • The elements on the stair line. • the guy who made the periodic table • Total number of protons + neutrons. • ...

chemistry crossword 2018-01-25

chemistry crossword crossword puzzle
Across
  1. a group of atoms bonded together.
  2. a method of writing the chemical symbol of an element and surrounding it with dots to show the number of valence electrons.
  3. The vertical columns on the periodic table.
  4. the number of protons in the nucleus of an atom.
  5. a particle about the same mass as a proton but with no charge.
  6. The temperature when a liquid starts to vaporize.
  7. it is a shorthand method of representing an element.
  8. when a solid formed from a solution.
  9. The temperature when a soled starts to liquidize.
Down
  1. a substance made by mixing other substances together.
  2. Horizontal rows of elements.
  3. a stable particle with a negative electricity it found in all atoms and acting as the main carrier of electricity in solids.
  4. a stable particle occurring in all atoms it has positive charge.
  5. The center of a atom.
  6. the around a nucleus where electrons are found.
  7. A table filled with elements in order of atomic numbers.
  8. the amount of compactness in somthing.
  9. able to dissolve other substances.
  10. Good conductors of heat and electricity.
  11. exploding

20 Clues: exploding • The center of a atom. • Horizontal rows of elements. • a group of atoms bonded together. • able to dissolve other substances. • when a solid formed from a solution. • the amount of compactness in somthing. • Good conductors of heat and electricity. • The vertical columns on the periodic table. • the around a nucleus where electrons are found. • ...

Chemistry Crossword 2018-01-26

Chemistry Crossword crossword puzzle
Across
  1. A plastid that contains chlorophyll and is the site of photosynthesis
  2. A nucleic acid found in cells
  3. The smallest particles
  4. Negative Charge and its in the atom shell.
  5. Used to separate a mixture of substances. The filtered paper would identify the substances by colouring the paper.
  6. The number of protons in the nucleus of an atom (atomic number)
  7. A solid that usually gets more soluble as the temperature rises.
  8. The random motion of particles that you can see with naked eyes, or under microscope
  9. Particles that are atoms or groups of atoms that carry a charge
  10. Substance which is made of atoms of different elements, bonded together
  11. All the solvent you heat the mixture and the liquid substance slowly evaporates living the solid substance (separation method
  12. solute+solvent
  13. The rows in the periodic table
  14. A chemical change is usually called a __________
  15. A solution is called ______ when it can dissolve no more solute, at that temperature.
  16. The total number of protons and neutrons in the nucleus of an atom (mass number)
  17. solvent Water is called the ______ because more substances dissolve in water than in any other chemical.
  18. Substance which contains different substances that are not bonded together.
  19. An action by an organism or part of an organism causing a change of position or place. Most single- celled creatures and animals move about as a whole. Fungi and plants may make movements with parts of their bodies
  20. In the nucleus, positive charge
  21. Fixed shape and volume (state of matter)
  22. A substance that has no other substance mixed with it.
Down
  1. Separate a mixture of liquids from each other (distillation)
  2. Is a thin coat of lipids that surrounds a cell (also called cell membrane)
  3. Obtain the solvent from a solution (distillation).
  4. Is used a filter that lives the residue, the part that is taken away (separation method)
  5. The mixing process of particles
  6. Centre of an atom
  7. You can obtain many solids from their solutions by letting crystals form (separation method)
  8. The way in which the elements are divided in the periodic table
  9. An substance, mixed with the substance you want, is called an impurity.
  10. Water polarity helps _____ ionic compounds
  11. Does not have a fixed shape and volume (state of matter)
  12. The molecule has both a positively and negatively charged end
  13. Fixed volume, but its shape changes (state of matter)
  14. A substance that dissolves just a little.
  15. Membrane of the cell that forms external to the cell membrane whose main role is to give cells rigidity, strength and protection against mechanical stress
  16. Two or more atoms joined together
  17. Cellular material inside the plasma membrane
  18. Describes the chemical reactions in cells that break down nutrient molecules and release energy for metabolism. Most organisms need oxygen for this.
  19. In the nucleus, NO charge
  20. A membrane-bound cytoplasm found in the cytoplasm of a cell whose function includes intracellular secretion, excretion, storage, and digestion

42 Clues: solute+solvent • Centre of an atom • The smallest particles • In the nucleus, NO charge • A nucleic acid found in cells • The rows in the periodic table • The mixing process of particles • In the nucleus, positive charge • Two or more atoms joined together • Fixed shape and volume (state of matter) • A substance that dissolves just a little. • ...

Chemistry Crossword 2018-01-26

Chemistry Crossword crossword puzzle
Across
  1. Top group of the 2 that is usually under and do not fit into the Periodic Table.
  2. Total number of protons + neutrons.
  3. Do not add mass to the atom
  4. Will never change, because it will become a different element.
  5. Has Calcium and Barium.
  6. The letters of the elements.
  7. the guy who made the periodic table
  8. thing that holds all of the elements
Down
  1. Atoms will always react until they have a full shell.
  2. Add mass to the atom.
  3. The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
  4. an element with an electric charge formed formed loss or gain in electrons.
  5. Most reactive.
  6. the study of the elements
  7. The group to the right of the Transition Metals and to the left of the Metallloids.
  8. Has Hydrogen and Carbon in it.
  9. Most reactive non-metals.
  10. The elements on the stair line.
  11. Do not react at all.
  12. Tells the number of protons.

20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • The letters of the elements. • Tells the number of protons. • Has Hydrogen and Carbon in it. • The elements on the stair line. • Total number of protons + neutrons. • the guy who made the periodic table • ...

Chemistry Vocab 2018-02-05

Chemistry Vocab crossword puzzle
Across
  1. the process or result of joining two or more things together to form a single entity
  2. of a reaction or process accompanied by or requiring the absorption of heat
  3. the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
  4. a form of energy associated with the movement of atoms and molecules in any material
  5. energy cannot be created or destroyed, it can only be transformed from one form to another
  6. a reaction or process accompanied by the release of heat
  7. an apparatus for measuring the amount of heat involved in a chemical reaction or other process
  8. heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
  9. states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
  10. the energy needed to raise the temperature of 1 gram of water through 1 °C
Down
  1. energy stored in the chemical bonds of a substance
  2. the measure of bond strength in a chemical bond
  3. the degree or intensity of heat present in a substance or object
  4. a thermodynamic quantity equivalent to the total heat content of a system
  5. the process of measuring the amount of heat released or absorbed during a chemical reaction
  6. energy that an object possesses by virtue of being in motion
  7. the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
  8. a phase transition from the liquid phase to vapor
  9. A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
  10. power derived from the utilization of physical or chemical resources, especially to provide light and heat

20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...

Chemistry crossword 2017-11-24

Chemistry crossword crossword puzzle
Across
  1. the ability to change shape or be molded (Gold)
  2. the centre of the atom; contains the protons and neutrons
  3. positively charged particle found inside the atomic nucleus
  4. describes how a substance reacts with another substance
  5. combination of symbols that represents a compound; the formula identifies the elements in the compound and the amount of each element
  6. contain 1 type of particle
  7. change in form but not in chemical composition; no new substances are formed
  8. contains 2 or more types of particles
  9. the mixture has different parts that cannot be seen
  10. a mixture that has two substances dissolved with each other (eg. sugar and water)
Down
  1. the mixture has different parts that can be seen
  2. can be observed and measured without forming a new substance
  3. a stable subatomic particle with a charge of negative electricity.
  4. the ability to be stretched into wires (copper)
  5. the ability to pass heat or electricity through it
  6. all matter consists of many, very small particles which are constantly moving or in a continual state of motion
  7. a change in which in one more new chemical substances are formed
  8. a mixture that can be separated by mechanical means, such as, using a magnet to separate iron filings from sand
  9. the process of decomposing a chemical compound by passing an electric current through it
  10. the thing that forms physical objects, has mass and occupies space
  11. contain one type of atom
  12. contains 2 types of elements
  13. uncharged particles in the atomic nucleus
  14. used to explain and predict the behaviour of real objects or systems and are used in a variety of scientific disciplines
  15. an action or condition that has been observed so consistently that scientists are convinced it will always happen

25 Clues: contain one type of atom • contain 1 type of particle • contains 2 types of elements • contains 2 or more types of particles • uncharged particles in the atomic nucleus • the ability to change shape or be molded (Gold) • the ability to be stretched into wires (copper) • the mixture has different parts that can be seen • the ability to pass heat or electricity through it • ...

Chemistry Crossword 2017-11-28

Chemistry Crossword crossword puzzle
Across
  1. - anything that has mass and occupies space
  2. metals - group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  3. of matter - refers to the three common states in which matter can exist
  4. mass - mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu
  5. property - description of how a substance interacts with other substances, such as acids; chemical properties are observable only when a chemical change occurs
  6. - group 17 elements in the periodic table, the most reactive non-metals
  7. - pure substance that cannot be broken down into other substances; substances made up of only one type of atom
  8. - positively charged particle in the nucleus of an atom
  9. table - a table in which are organized by their physical and chemical properties
  10. un it - measure of atomic mass; 1 amu equals to 1 twelfth the mass of a carbon 12 atom
  11. - horizontal row of elements in the periodic table
  12. - ability of a substance to conduct electricity or heat
  13. - positively charged centre of an atom; contains protons and neutrons
Down
  1. - shiny, malleable, ductile element that conducts electricity
  2. - change of state from solid to liquid
  3. - neutral particle in the nucleus of an atom
  4. - substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  5. - vertical column of elements of elements in the periodic table
  6. property - property that describes the physical appearance and composition of a substance
  7. metals - group 2 elements in the periodic table their reactivity is not as strong as alkali metals
  8. reaction - chemical reaction that releases energy
  9. reaction - chemical reaction that absorbs energy
  10. shell - orbits of electrons around the nucleus of an atom
  11. solution - a solution in which water is the solvent
  12. number - the sum of a number of protons and neutrons in an atom
  13. - chemical combination of two or more elements in a specific ratio
  14. gases - group 18 elements in the period table; the most stable and most unreactive elements

27 Clues: - change of state from solid to liquid • - anything that has mass and occupies space • - neutral particle in the nucleus of an atom • reaction - chemical reaction that absorbs energy • reaction - chemical reaction that releases energy • - horizontal row of elements in the periodic table • solution - a solution in which water is the solvent • ...

Chemistry Review 2017-09-25

Chemistry Review crossword puzzle
Across
  1. 1 kcal
  2. 1 calorie
  3. affecting form but not chemical composition of a chemical substance, used to separate mixtures into their component compounds
  4. depends on the amount of matter; volume, mass, length, weight
  5. Units for heat
  6. change in temperature
  7. bubbles, color change, temperature change, gas, odor change
  8. The study of the transfers of energy as heat that accompany chemical and physical changes
  9. Abbreviation for specific heat
  10. density
Down
  1. a nutritional energy unit
  2. characteristic of a substance that can be determined without changing the identities
  3. the amount of heat lost or gained
  4. when the substance has changed as a result of a chemical reaction
  5. not significant digits
  6. 1000 calories
  7. significant after a decimal
  8. unit for specific heat
  9. chemicalreaction involving the rearrangement of atoms of one or more substance and a change in their chemical properties resulting in at least one new substance
  10. does not depend on matter present; density, melting point, color, reactivity

20 Clues: 1 kcal • density • 1 calorie • 1000 calories • Units for heat • change in temperature • not significant digits • unit for specific heat • a nutritional energy unit • significant after a decimal • Abbreviation for specific heat • the amount of heat lost or gained • bubbles, color change, temperature change, gas, odor change • depends on the amount of matter; volume, mass, length, weight • ...

Chemistry Crossword 2017-11-16

Chemistry Crossword crossword puzzle
Across
  1. invisible negatively charged particle that orbits the nucleus of and atom
  2. chemical change that occurs when oxygen in the air reacts with a metal
  3. at table in which elements are organized by their physical and chemical properties
  4. chemical reaction that absorbs energy
  5. a pure substance formed when two non metals combine
  6. a pure substance formed when at least on metal and one non metal combine
  7. chemical reaction that releases energy
  8. metal the first column of the periodic table excluding hydrogen,that a really reactive in air and water
  9. workplace hazardous information material system
  10. can be stretched into wire
  11. substance that helps a chemical reaction proceed more quickly
  12. neutral particle in the nucleus of an atom
Down
  1. catalyst involved in chemical reactions in living things
  2. Irreversible change
  3. shininess of a metal
  4. the degree to which a specified material conducts electricity
  5. what everything is made up of
  6. Mass of Reactants= Mass of Products
  7. number of protons in the nucleus of one atom of an element
  8. group 18 in periodic table, they are the most stable and nonreactive elements. metalloid element that has both metallic and non metallic properties
  9. positively charged particle in the nucleus of an atom
  10. ability to pound and roll into flat sheets
  11. the mass of an element measured in amu
  12. horizontal row of elements in the periodic table

24 Clues: Irreversible change • shininess of a metal • can be stretched into wire • what everything is made up of • Mass of Reactants= Mass of Products • chemical reaction that absorbs energy • chemical reaction that releases energy • the mass of an element measured in amu • ...

Chemistry Crossword 2017-11-16

Chemistry Crossword crossword puzzle
Across
  1. Releases heat energy
  2. Is a slow chemical change that occurs when oxygen in the air reacts with a metal
  3. A substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties
  4. A negative charge
  5. When non-metals combine, they procedure a pure substance called a molecule or...
  6. Made up of two or more substances
  7. A chemical reaction takes place when two or more substances combine to form a new substance
  8. Can't be separated
  9. Is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  10. Made up of one or more atoms
  11. Can be separated
  12. Anything that has mass and occupies space
  13. Table of elements
  14. Made up of one atom
Down
  1. A positive charge
  2. Made up of one type of matter
  3. Respiration Is a chemical reaction that takes place in the cells in your body
  4. Eats up material
  5. Absorbs heat energy
  6. Appearance and composition
  7. Caution Symbol
  8. When the experiment doesn't touch air (in a bag)
  9. CO
  10. A neutral charge
  11. Matter that creates volume or mass

25 Clues: CO • Caution Symbol • Eats up material • Can be separated • A neutral charge • A positive charge • A negative charge • Table of elements • Can't be separated • Absorbs heat energy • Made up of one atom • Releases heat energy • Appearance and composition • Made up of one or more atoms • Made up of one type of matter • Made up of two or more substances • Matter that creates volume or mass • ...

Chemistry Crossword 2017-11-15

Chemistry Crossword crossword puzzle
Across
  1. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  2. invisible negatively charged particle that orbits the nucleus of an atom
  3. description of substance that can be pounded or rolled into sheets
  4. compound that dissolves in water to form a solution with a pH higher than 7
  5. substance that strongly resists the flow of energy
  6. a reaction that takes place when 2 or more substances react to form new substances
  7. colourless, odourless gas; produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  8. chemical reaction that absorbs energy
  9. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  10. catalyst involved in chemical reactions in living things
  11. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
  12. creation of electrical current
  13. ability to do work
Down
  1. description of a solid that can be stretched into a long wire
  2. pure substance that cannot be broken down into other substances; substance made up of only 1 type of atom
  3. change of state from liquid to a gas
  4. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  5. change that results when 2 or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  6. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  7. an experiment in which all reactants and all products of a chemical reaction are accounted for
  8. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  9. chemical combination of 2 or more elements in a specific ratio
  10. chemical reaction that releases energy
  11. number of protons in the nucleus of one atom of an element

24 Clues: ability to do work • creation of electrical current • change of state from liquid to a gas • chemical reaction that absorbs energy • chemical reaction that releases energy • substance that strongly resists the flow of energy • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Chemistry Crossword 2017-11-15

Chemistry Crossword crossword puzzle
Across
  1. substance that helps a chemical reaction to proceed more quickly
  2. change of state from a gas to a liquid
  3. dull, brittle element that does not conduct electricity
  4. measure of atomic mass; 1 amu is equal to 1/12 the mass of a carbon 12 atom
  5. energy stored in chemicals and released when chemicals react; a form of potential or stored energy
  6. a reaction that takes place when two or more substances react to form new substances
  7. chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
  8. chemical combination of two or more elements in a specific ratio
  9. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  11. group 18 elements in the periodic table;the most stable and unreactive elements
Down
  1. ability of a substance to conduct electricity or heat
  2. group 1 elements in the periodic table, not including hydrogen;the most reactive of the metals
  3. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
  4. number of protons in the nucleus of one atom of an element
  5. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  6. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  7. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  8. chemical reaction that absorbs energy
  9. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  10. chemical reaction that releases energy
  11. group 2 elements in the periodic table; their reactivity is not as strong as that of that alkali metals
  12. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  13. an experiment in which all reactants and all products of a chemical reaction are accounted for
  14. group 17 elements in the periodic table;the most reactive non-metals

25 Clues: chemical reaction that absorbs energy • change of state from a gas to a liquid • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • dull, brittle element that does not conduct electricity • number of protons in the nucleus of one atom of an element • substance that helps a chemical reaction to proceed more quickly • ...

CHEMISTRY CROSSWORD 2017-11-13

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. atoms that has become electrically charged because it either lost or gained electrons.
  2. a chemical reaction to create new substances
  3. substance that helps speeds up a chemical reaction.
  4. dull,brittle element that does not conduct electricity.
  5. chemical change that releases heat
  6. group 17 in the periodic table, the most reactive non-metals
  7. takes place when two or more substances combine to form new substances.
  8. RESPIRATION a chemical reaction that takes place in the cells of our bodies
  9. often liquid or gas at room temperature.
  10. mass of one atom of an element calculated from the total number of protons.
  11. a slow chemical change that occurs when oxygen in the air reacts with a metal.
Down
  1. a new substance produced in a chemical reaction between reactants.
  2. catalyst involved in chemical reactions in living things
  3. can be in between metals and non-metals
  4. a substance that reacts with another substance in a chemical reaction to create a new substance with different products or properties.
  5. an experiment when one or more products of a chemical reaction can escape.
  6. change in appearance or state of substance that does not change composition.
  7. chemical change that absorbs heat
  8. results from a chemical reaction
  9. substance made of only one kind of matter, which has
  10. different properties.
  11. an experiment where all reactants and products of a chemical reaction are accounted for.
  12. GASES group 18 elements in the periodic table, the most stable and non reactive elements
  13. solids at room temperature.
  14. invisible negatively charged particle that orbits the nucleus of an atoms.
  15. a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and gives off energy.
  16. unique set of properties.
  17. element that has both metallic and non-metallic properties

28 Clues: different properties. • unique set of properties. • solids at room temperature. • results from a chemical reaction • chemical change that absorbs heat • chemical change that releases heat • can be in between metals and non-metals • often liquid or gas at room temperature. • a chemical reaction to create new substances • substance that helps speeds up a chemical reaction. • ...

chemistry Crossword 2017-11-09

chemistry Crossword crossword puzzle
Across
  1. the amount of mass in a given volume of a substance
  2. the numerical prefix of one
  3. a material that cannot break down into any simpler substance
  4. solid to liquid
  5. can be in between metals and non-metals
  6. materials. The
  7. have lustre,conduct electricity and have ductility
  8. An element is defined by the number of protons it has
  9. ability of a substance to be dissolved in another
  10. have a high melting point
  11. an atom or a group of atoms
  12. the numerical prefix of two
Down
  1. Substance-Made of only one kind of matter
  2. a combination of two or more pure substance
  3. occurs when oxygen reacts with a substance to form a new substance and gives off energy
  4. the average mass of an element
  5. the ability of a substance to conduct electricity or heat
  6. the numerical prefix of five
  7. the numerical prefix of three
  8. not shiny,dont conduct electricity and not ductile
  9. workplace Hazardous Material information system
  10. the numerical prefix of four
  11. are pure substances formed as a result of the attraction between particles of opposite changes
  12. liquid to solid
  13. change-curs when two or more materials react and create

25 Clues: materials. The • liquid to solid • solid to liquid • have a high melting point • the numerical prefix of one • an atom or a group of atoms • the numerical prefix of two • the numerical prefix of five • the numerical prefix of four • the numerical prefix of three • the average mass of an element • can be in between metals and non-metals • Substance-Made of only one kind of matter • ...

Chemistry Crossword 2017-11-09

Chemistry Crossword crossword puzzle
Across
  1. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  2. (in chemistry) vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a group
  3. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  4. chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
  5. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  6. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  7. chemical reaction that releases energy
  8. change of state from a gas to a solid
  9. number of protons in the nucleus of one atom of an element
  10. unit measure of atomic mass; 1 amu is equal to 1/12 the mass of a carbon 12 atom
Down
  1. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  2. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  3. reaction that takes place when two or more substances react to form new substances
  4. change of state from a gas to a liquid
  5. slow chemical change that occurs when oxygen in the air reacts with a metal
  6. chemical reaction that absorbs energy
  7. description of a solid that can be stretched into a long wire
  8. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  9. substance that helps a chemical reaction to proceed more quickly
  10. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  11. change of state from a liquid to a solid
  12. amount of mass in a given volume of a substance
  13. catalyst involved in chemical reactions in living things
  14. chemical combination of two or more elements in a specific ratio
  15. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  16. ability of a substance to conduct electricity or heat

26 Clues: chemical reaction that absorbs energy • change of state from a gas to a solid • change of state from a gas to a liquid • chemical reaction that releases energy • change of state from a liquid to a solid • amount of mass in a given volume of a substance • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • ...

chemistry crossword 2017-11-10

chemistry crossword crossword puzzle
Across
  1. chemical combination of two or more elements in a specific ratio
  2. a table in which the elements are organized by their physical and chemical properties
  3. a reaction that takes place when two or more substances react to form new substances
  4. positively charged center of an atom;contains protons and neutrons
  5. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  6. substance that strongly resists the flow of electricity
  7. property that describes the physical appearance and composition of a substance
  8. the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  9. element that has both metallic and non-metallic properties
Down
  1. a material that electric charge can move through easily
  2. catalyst involved in chemical reactions in living things
  3. change in the appearance or state of a substance that does not change the composition
  4. that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
  5. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  6. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  7. the sum of the number of protons and neutrons in an atom
  8. atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
  9. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  10. invisible negatively charged particle that orbits the nucleus of an atom
  11. substance that helps a chemical reaction to proceed more quickly
  12. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  13. an experiment in which one or more products of a chemical reaction can escape
  14. new substance produced in a chemical reaction between reactants
  15. neutral particle in the nucleus of an atom
  16. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy

25 Clues: neutral particle in the nucleus of an atom • a material that electric charge can move through easily • substance that strongly resists the flow of electricity • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...

Chemistry Crosswords 2017-11-11

Chemistry Crosswords crossword puzzle
Across
  1. process in which molecules move from an area of higher concentration to one of lower concentration
  2. energy stored in chemicals and released when chemicals react; a form of potential or stored energy
  3. change of state from a gas to a liquid
  4. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  5. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  6. chemical reaction that takes place in cells; food (sugar) reacts with oxygen to produce energy, water, and carbon dioxide
  7. chemical reaction that absorbs energy
  8. number of protons in the nucleus of one atom of an element
  9. description of how a substance interacts with other substances, such as acids; chemical properties are observable only when a chemical change occurs
  10. a reaction that takes place when two or more substances react to form new substances
  11. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  12. (CO(g)) colourless, odourless gas; produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  13. chemical combination of two or more elements in a specific ratio
  14. with a pH lower than 7
  15. group 1 elements in the periodic table,not including hydrogen; the most reactive of the metals
  16. substance that helps a chemical reaction to proceed more quickly
Down
  1. mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
  2. a solution in which water is the solvent
  3. compound that dissolves in water to form a
  4. catalyst involved in chemical reactions in living things
  5. description of a solid that can be stretched into a long wire
  6. slow chemical change that occurs when oxygen in the air reacts with a metal
  7. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  8. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  9. an experiment in which all reactants and all products of a chemical reaction are accounted for
  10. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  11. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  12. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  13. invisible negatively charged particle that orbits the nucleus of an atom
  14. amount of mass in a given volume of a substance

30 Clues: with a pH lower than 7 • chemical reaction that absorbs energy • change of state from a gas to a liquid • a solution in which water is the solvent • compound that dissolves in water to form a • amount of mass in a given volume of a substance • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Chemistry Crossword 2017-11-12

Chemistry Crossword crossword puzzle
Across
  1. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance.
  2. orbit of electrons around the nucleus of an atom.
  3. change that results when two or more substances react to create a different substance, the new substance have completely different properties from the original one.
  4. group 2 elements in the periodic table.
  5. number of protons in the nucleus of one atom of an element.
  6. chemical reaction that releases energy.
  7. measure of atomic mass 1 amu is equal to 1/12th of an atom.
  8. the smallest part of an element that is representative of that element.
Down
  1. chemical reaction that absorbs energy.
  2. principle that matter is not created or destroyed in a chemical reaction, the mass of the products always equals the mass of the reactants.
  3. an experiment in which all reactants and all products of a chemical reaction are accounted for.
  4. chemical combination of two or more elements in a specific ratio.
  5. chemical reaction that takes place in cells.
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  7. slow chemical change that occurs when oxygen in the air reacts with a metal.
  8. description of how a substance interacts with other substances.
  9. a reaction that takes place when two or more substances react to form new substances.
  10. catalyst involved in chemical reaction in living things.
  11. change of state from a liquid to a gas.
  12. combination of symbols that represent a compound.
  13. group 1 elements in the periodic table, not including hydrogen.
  14. ability of a substance to conduct electricity or heat.
  15. invisible negatively charged particle that orbits the nucleus of an atom
  16. pure substance that cannot be broken down into other substances, substance made up of only one type of atom.
  17. substances that helps a chemical reaction to proceed more quickly.
  18. mass of one atom of an element calculated from the total number of protons neutrons and electrons.

26 Clues: chemical reaction that absorbs energy. • group 2 elements in the periodic table. • chemical reaction that releases energy. • change of state from a liquid to a gas. • chemical reaction that takes place in cells. • orbit of electrons around the nucleus of an atom. • combination of symbols that represent a compound. • ...

Chemistry Crossword 2017-11-13

Chemistry Crossword crossword puzzle
Across
  1. a pure substance that cannot be broken down into other substances, substance made up of one atom
  2. invisible negatively charged particle that orbits the nucleus of an atom
  3. Mass of one element
  4. pure substance formed when at least one metal and one non-metal
  5. shiny,malleable,ductile metallic and nonmetallic properties
  6. combination of 2 pure substances
  7. a reaction that takes place when 2 or more substances react to form a new substance
  8. chemical combination of 2 or more elements in specific ratio
  9. The amount of mass given in a volume
  10. made up 2 elements in the periodic table; their reactivity is not as strong as alkali metals
  11. slow chemical change that occurs when oxygen in the air reacts with metal
  12. anything that has a mass and occupies space
  13. group 17 elements in the periodic table the most reactive non-metals
Down
  1. group of atoms joined by covenant bonds
  2. atom that has become electrically charged when it gains or loses energy
  3. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy or heat
  4. energy of charged particles;transferred when electrons travel from place to
  5. pure substances formed with 2 non metals
  6. compound that dissolves in water to form a solution with a Hp lower that 7
  7. 2 or more substances that react with each other to create a new substance
  8. catalyst involved in chemical reactions in living things
  9. orbit of electrons around the nucleus of an atom
  10. an experiment in which all reactants and all products of a chemical reaction are accounted for
  11. most reactive metals
  12. the smallest part of an element that representative of that element, contains a Nucleus, Protons and Electrons

25 Clues: Mass of one element • most reactive metals • combination of 2 pure substances • The amount of mass given in a volume • group of atoms joined by covenant bonds • pure substances formed with 2 non metals • anything that has a mass and occupies space • orbit of electrons around the nucleus of an atom • catalyst involved in chemical reactions in living things • ...

Chemistry Crossword 2017-11-13

Chemistry Crossword crossword puzzle
Across
  1. the mass of one atom in an element calculated using the protons and neutrons
  2. Things that speed up the chemical reaction rate
  3. neutral particle in the nucleus of an atom
  4. the number of protons in one atom of an element
  5. A compound made up of 2 non-metals
  6. a change where an entirely new substance is created with different properties from the original combinations
  7. A physical characteristic of a substance in which it can be pounded or rolled into sheets
  8. The vertical columns of the periodic table also known as families
  9. A property that describes the appearance and composition of a substance
  10. An experiment where one or more products of a chemical reaction can escape
  11. An experiment in which all reactants and product in a chemical reaction are accounted for
  12. characteristics used to describe a substance
  13. A homogeneous mixture
Down
  1. group 17 of the periodic table
  2. the substance that reacts to another substance to create a product
  3. a positivly charged centre of an atom consisting of protons and neutrons
  4. An invisible negatively charged particle that orbits around the nucleus of an atom
  5. the most reactive group of the metals on the periodic table
  6. A substance that strongly resists the flow of electricity
  7. Heterogeneous Mixtures
  8. A element with both metal and nonmetal properties
  9. Pure substances merged as a result of their opposite charges
  10. a new substance produced in a chemical reaction between reactants
  11. An atom or a group of atoms that become electrically charged because it has lost or gained electrons
  12. a pure substance made up of only one type of atom

25 Clues: A homogeneous mixture • Heterogeneous Mixtures • group 17 of the periodic table • A compound made up of 2 non-metals • neutral particle in the nucleus of an atom • characteristics used to describe a substance • Things that speed up the chemical reaction rate • the number of protons in one atom of an element • A element with both metal and nonmetal properties • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. can be between a metal and a nonmetal
  2. mixture of two or more pure substances
  3. non-reversible or the composition does change
  4. example would be neon
  5. reversible or the composition does not change
  6. a group of atoms that has become electrically charged
  7. a prefix or latin name
  8. releases heat
  9. a chemical reaction when oxygen reacts with a substance
  10. a substance that reacts with another substance
Down
  1. gas to liquid
  2. sodium, potassium, rubidium, caesium, francium.
  3. insulator and ductile
  4. example would be copper
  5. absorbs heat
  6. non reactive metal
  7. slow chemical change
  8. found in living and nonliving things
  9. a chemical reaction that takes place in your body.
  10. helps break down food (organic)
  11. liquid to gas
  12. a thing that is composed of two or more separate elements; a mixture.
  13. a new substance produced produced in a chemical reaction
  14. anything on the periodic table

24 Clues: absorbs heat • gas to liquid • liquid to gas • releases heat • non reactive metal • slow chemical change • insulator and ductile • example would be neon • a prefix or latin name • example would be copper • anything on the periodic table • helps break down food (organic) • found in living and nonliving things • can be between a metal and a nonmetal • mixture of two or more pure substances • ...

Chemistry Review 2017-06-13

Chemistry Review crossword puzzle
Across
  1. An alkali metal.
  2. Bonding where electrons are shared.
  3. A Noble gas.
  4. This gas re-lights a glowing splint.
  5. More than 1 phase.
  6. A change from gas directly to a solid.
  7. Bonding where electrons are transferred.
  8. Can be found in all 3 states at room temperature.
  9. A negatively charged ion.
  10. A horizontal row on the periodic table.
  11. The prefix for the number five.
Down
  1. Only has 1 phase.
  2. The special name given to the outer shell electrons.
  3. A vertical column on the periodic table.
  4. A negatively charged particle.
  5. A positive particle.
  6. A positively charged ion.
  7. A change where no new substance is formed.
  8. A change where a new substance is formed.
  9. A neutral particle.
  10. This is a characteristic property.
  11. This diagram only shows the outer shell electrons
  12. A negatively charged atom.
  13. Most elements are this type of element.
  14. Most atoms want this number of electrons in the outer shell.

25 Clues: A Noble gas. • An alkali metal. • Only has 1 phase. • More than 1 phase. • A neutral particle. • A positive particle. • A positively charged ion. • A negatively charged ion. • A negatively charged atom. • A negatively charged particle. • The prefix for the number five. • This is a characteristic property. • Bonding where electrons are shared. • This gas re-lights a glowing splint. • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. Substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  2. Chemical combination of two or more elements in a specific ratio
  3. Pure substance that cannot be broken down into other substances; substance made up of only one type of atom
  4. Orbit of electrons around the nucleus of an atom
  5. A material that electric charge can move through easily
  6. Pure substances formed as a result of the attraction between the particles of opposite charges called ions
  7. new substance produced in a chemical reaction between reactants
  8. Combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  9. change that results when 2 or more substances react to make a new substance
  10. in a chemical reaction is always equal to the total mass of the products
  11. Invisible negatively charged particle that orbits the nucleus of an atom
  12. Mass of one atom of an element calculated from the total number of protons, neutrons and electrons of that atom; measured in atomic mass units (amu)
Down
  1. Substances that help a reaction proceed faster
  2. Group one elements in the periodic table. Not including hydrogen; the most reactive of the metals.
  3. Number of protons in the nucleus of one atom of an element
  4. An experiment in which all the reactants and all products of a chemical reaction are accounted for
  5. A reaction that takes place when two or more substances react to form new substances
  6. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  7. Organic catalysts
  8. Group 2 elements in the periodic table; their reactivity is not a strong as that of the alkali metals
  9. Absorbs heat
  10. Releases heat
  11. An experiment in which one or more products of chemical reaction can escape
  12. Is a chemical reaction that takes place in the cells in your body food (glucose) reacts with oxygen to produce energy, water and carbon dioxide.
  13. Speed of a chemical reaction
  14. Slow chemical change

26 Clues: Absorbs heat • Releases heat • Organic catalysts • Slow chemical change • Speed of a chemical reaction • Substances that help a reaction proceed faster • Orbit of electrons around the nucleus of an atom • A material that electric charge can move through easily • Number of protons in the nucleus of one atom of an element • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  2. Change of state from a gas to solid
  3. Change of state from a solid to a liquid
  4. Change of state of matter from gas to liquid
  5. pure substance that cannot be broken down into other substances; substance made up of only one type of atom
  6. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  7. A system of easy-to-see warning symbols on hazardous materials
  8. heterogeneous mixture; mixture in which the different substances that make up the mixture are visible
  9. substance made of only one kind of matter, which has a unique set of properties
  10. characteristic that describes a particular substance (e.g., color, luster, melting point, crystal shape, solubility, density)
  11. Change of state of matter from liquid to gas
  12. Anything that has mass and occupies space
Down
  1. invisible negatively charged particle that orbits the nucleus of an atom
  2. chemical combination of two or more elements in a specific ratio
  3. Change of state from a solid to a gas
  4. homogeneous mixture; mixture of two or more pure substances that looks like one substance
  5. Change of state from a liquid to a solid
  6. Change in the appearance or state of a substance that does not change the composition
  7. Change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  8. description of how a substance interacts with other substances, such as acids
  9. Solid, liquid, gas
  10. property that describes the physical appearance and composition of a substance
  11. combination of pure substances
  12. positively charged particle in the nucleus of an atom
  13. neutral particle in the nucleus of an atom

25 Clues: Solid, liquid, gas • combination of pure substances • Change of state from a gas to solid • Change of state from a solid to a gas • Change of state from a liquid to a solid • Change of state from a solid to a liquid • Anything that has mass and occupies space • neutral particle in the nucleus of an atom • Change of state of matter from gas to liquid • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. a material that electric charge can move through easily
  2. description of a solid that can be stretched into a long wire
  3. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  4. reaction that takes place when two or more substances react to form new substances
  5. table in which the elements are organized by their physical and chemical properties
  6. pure substance formed when non-metals combine
  7. chemical reaction that releases energy
  8. pure substance that cannot be broken down into other substances; substance made up of only one type of atom
  9. group 17 elements in the periodic table; the most reactive non-metals
  10. property that describes the physical appearance and composition of a substance
  11. substance that reacts with another substance or substances in a chemical reaction to create new substances with different property
  12. gases group 18 elements in the periodic table;the most stable and nonreactive elements
Down
  1. slow chemical change that occurs when oxygen in the air reacts with a metal
  2. chemical reaction that absorbs energy
  3. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  4. ability of a substance to conduct electricity or heat
  5. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when chemical change occurs
  6. energy stored in chemicals and released when chemicals react; a form of potential or stored energy
  7. dull, brittle element that does not conduct electricity
  8. substance that helps a chemical reaction to proceed more quickly
  9. (CO(g))colorless, odorless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  10. Workplace Hazardous Materials Information System; a system of easy-to-see warning symbols on hazardous materials
  11. change in the appearance or state of a substance that does not change the composition
  12. catalyst involved in chemical reaction in living things
  13. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones

25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • pure substance formed when non-metals combine • ability of a substance to conduct electricity or heat • a material that electric charge can move through easily • dull, brittle element that does not conduct electricity • catalyst involved in chemical reaction in living things • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. catalyst involved in chemical reactions in living things
  2. pure substance formed when at least one metal and one non-metal combine
  3. ability of a substance to conduct electricity or heat
  4. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  5. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  6. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  7. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
  8. an experiment in which one or more products of a chemical reaction can escape
  9. description of a solid that can be stretched into a long wire
  10. reaction that takes place when two or more substances react to form new substances
  11. measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
  12. of mass principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  13. pure substance that cannot be broken down into other substances; substance made up of only one type of atom
Down
  1. an experiment in which all reactants and all products of a chemical reaction are accounted for
  2. a material that electric charge can move through easily
  3. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  4. chemical reaction that absorbs energy
  5. atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
  6. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  7. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  8. chemical reaction that releases energy
  9. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. number of protons in the nucleus of one atom of an element
  11. group 17 elements in the periodic table;the most reactive non-metals
  12. invisible negatively charged particle that orbits the nucleus of an atom

25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. change of state from a solid to a gas or from a gas to a solid
  2. change of state from a liquid to a gas
  3. change of state from a gas to a solid
  4. change of state from a solid to a liquid
  5. substance made of only one kind of matter, which has a unique set of properties
  6. anything that has mass and occupies space
  7. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  8. chemical combination of two or more elements in a specific ratio
  9. mixture in which the different substances that make up the mixture are visible
  10. a system of easy to see warning symbols on hazardous materials
  11. description of how a substance interacts with other substances, such as acids
  12. neutral particle in the nucleus of an atom
  13. positively charged particle in the nucleus of an atom
  14. pure substance that cannot be broken down into other substances
  15. characteristic that describes a particular substance
  16. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
Down
  1. change of state from a gas to a liquid
  2. mixture of two or more pure substances that looks like one substance
  3. a solution in which water is the solvent
  4. property that describes the physical appearance and composition of a substance
  5. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom
  6. change that results when two or more substances react to create a different substance or substances
  7. change in the appearance or state of a substance that does not change the composition
  8. combination of pure substances
  9. a table in which the elements are organized by their physical and chemical properties

25 Clues: combination of pure substances • change of state from a gas to a solid • change of state from a gas to a liquid • change of state from a liquid to a gas • change of state from a solid to a liquid • a solution in which water is the solvent • anything that has mass and occupies space • neutral particle in the nucleus of an atom • ...

Chemistry Crossword 2018-11-13

Chemistry Crossword crossword puzzle
Across
  1. a change from gas to liquid
  2. is anything that has mass and occupies space
  3. chemical combination of two or more elements in a specific ratio
  4. can't reverse (burning wood) when two or more materials react and create new materials.
  5. solids, liquid or gas depends on temperature
  6. can reverse (e.g melting ice) one in which a material changes from one state to another.
  7. pure substance that cannot be broken down into other substances (made up of only one type of atom)
  8. each element is composed of a particle called
  9. Place on periodic table showing vertically
  10. appearance from the outside e.g lustre
  11. Nucleus contained positively charged particles
  12. liquid to a solid
Down
  1. a solid also can change directly into a gas and vise versa
  2. substance made up of only one kind of matter, which has a unique set of properties
  3. a table in which the elements are organized, by their physical and chemical properties
  4. Place on periodic table showing horizontally
  5. combinations of pure substances the components of a mixture do not combine
  6. how a substance interacts with other substances (acid)
  7. change from solid to liquid
  8. characteristics of a substance
  9. You can not brake it down into another substance
  10. change from liquid to gas (a;so known as vaporization)
  11. workplace hazardous materials information system
  12. Neutral particles
  13. Negatively charged particles

25 Clues: Neutral particles • liquid to a solid • a change from gas to liquid • change from solid to liquid • Negatively charged particles • characteristics of a substance • appearance from the outside e.g lustre • Place on periodic table showing vertically • is anything that has mass and occupies space • Place on periodic table showing horizontally • ...

Chemistry crossword 2018-11-13

Chemistry crossword crossword puzzle
Across
  1. chlorine
  2. combination of pure substances
  3. substance that reacts with another substances in a chemical reaction to create new substances with different properties
  4. shell orbit of electrons around the nucleus of an atom
  5. a chemical combination of two or more elements in a specific ratio
  6. table a table in which the elements are organized by their physical and chemical properties
  7. cloudy mixture in which tiny particles of one substance are held within another and the particles can be separated out
  8. neutral particle in the nucleus of an atom
  9. number number of protons in the nucleus of one atom of an element
  10. group 17 elements in the perodic table,the most reactive not metals
  11. metals group 1 elements in the peroidic table,not including hydrogeon the most reactive of the metals
Down
  1. a pure substance that cannot be broken down into other substances,made up of only one type of atom
  2. something that has mass and occupies space
  3. group of atoms joined by covalent bonds
  4. homogenous mixture mixture of two or more pure substances that looks like one substance
  5. reaction a reaction that takes place when to or more substances react to form a new substance
  6. change in the appearance or state of a substance that does not change the composition
  7. compound pure substance formed when non-metals combine
  8. positively charged particle in the nucleus of an atom
  9. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be seperatedout from other substances
  10. compound pure substance formed when at least one metal and one non metal combine
  11. compound that dissolves in water to form a solution with a ph lower than 7
  12. gases group 18 elements in the periodic table,the most stable and interactive elements

23 Clues: chlorine • combination of pure substances • group of atoms joined by covalent bonds • something that has mass and occupies space • neutral particle in the nucleus of an atom • positively charged particle in the nucleus of an atom • shell orbit of electrons around the nucleus of an atom • compound pure substance formed when non-metals combine • ...

Chemistry Crossword 2018-08-20

Chemistry Crossword crossword puzzle
Across
  1. An atom or group of atoms that is electrically charged by electrons
  2. Particle Any particle of matter that is smaller than a hydrogen atom
  3. The central part of atom with a positive charge
  4. An elementary particle without an electrical charge
  5. Number The number of protons located in the nucleus of an atom
  6. Mixture A mixture that has a consistent amount of its components in an sample
  7. The space an substances occupies in physical space
  8. A substance that is mixes with a solvent to create a substance
  9. The numbers of atoms in an substance
  10. A ionic particle with a positively charged ion
  11. A physical substance that occupies physical space
  12. The amount of mass in a volume
  13. The process of separating components from a liquid using heat
  14. A negatively charged subatomic particle
  15. Substance Substances that are either 1 type of atom or one type of molecules that is consistent throughout the substance
Down
  1. Matter that has two more of elements
  2. A ionic particle with a negatively charged ion
  3. A physical substances that roams freely without any bounds
  4. A physical substance which has atoms or molecules that flow freely while still maintaining contact with each other
  5. A heterogeneous mixture in which articles are big enough to settle out of an mixture
  6. An elementary particle with an electrical charge
  7. Substances that cannot be broken down any further and is distinguished from the atomic number
  8. The basic unit of a chemical element.
  9. A homogeneous mixture that is insoluble with particles that do not settle
  10. Mixture A mixture that is has 2 pure substances while still being sperate
  11. A bunch of atoms bonded together
  12. A mixture of liquid that is blended so that the component is spread across evenly
  13. The process where a insoluble solid is created from a solution
  14. The process of separating solids from liquids
  15. The process when a liquid changes into a vapor state which is caused by increase of heat or decrease in pressure
  16. Property Any property that is measurable
  17. A physical substances which it molecules are in a fixed position
  18. Point The temperature in which a solid will transform into a liquid state by melting
  19. A substance s that is created by 2 or more substances
  20. The process of which molecules of an elements mix with another substance and form a solution
  21. Point The temperature in which a liquid transform into vapor by boiling

36 Clues: The amount of mass in a volume • A bunch of atoms bonded together • Matter that has two more of elements • The numbers of atoms in an substance • The basic unit of a chemical element. • A negatively charged subatomic particle • Property Any property that is measurable • The process of separating solids from liquids • A ionic particle with a negatively charged ion • ...

Chemistry Revision 2016-06-16

Chemistry Revision crossword puzzle
Across
  1. The electrons in the outer shell of an atom.
  2. A negatively charged particle found in electron shells outside the nucleus.
  3. The change in state from solid to liquid.
  4. The reatios of the reactants and products shown in a balanced chemical equation
  5. A very large molecule, e.g. a polymer or a giant covalent structure.
  6. A substance that dissolves in a solvent
  7. The amount of product obtained in a reaction
  8. A hydrocarbon with one or more double (or triple) bonds
  9. The liquid that runs through the filter paper when carrying out filtration
  10. a substance that dissolves another substance
  11. Two or more substances mixed together but not chemically combined.
  12. A hydrocarbon with the general formula CnH2n+2
Down
  1. A form of carbon that conducts electricity and is used for inert electrodes.
  2. the solid obtained on the filter paper when carrying out filtration
  3. a method for finding the amount of a susbtance in a solution
  4. A particle (proton or neutron) in the nucleus of an atom
  5. A process that uses electricity to coat one metal with another.
  6. reducing agent
  7. The breakdown of a compound by reaction with water. Acids or alkalies speed up hydrolysis.
  8. A hydrocarbon containing on or more C=C bonds and having the general formula CnH2n

20 Clues: reducing agent • A substance that dissolves in a solvent • The change in state from solid to liquid. • The electrons in the outer shell of an atom. • The amount of product obtained in a reaction • a substance that dissolves another substance • A hydrocarbon with the general formula CnH2n+2 • A hydrocarbon with one or more double (or triple) bonds • ...

Chemistry Crossword 2016-08-15

Chemistry Crossword crossword puzzle
Across
  1. dissolving
  2. the essential facts or principles of a subject or skill.
  3. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  4. the number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table.
  5. of or denoting a scale of temperature on which water freezes at 0° and boils at 100° under standard conditions.
  6. a conductor through which electricity enters or leaves an object, substance, or region.
  7. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.
  8. the SI base unit of thermodynamic temperature, equal in magnitude to the degree
  9. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  10. an instance of giving off something such as a liquid or gas.
Down
  1. a substance made by mixing other substances together.
  2. the total number of protons and neutrons in a nucleus.
  3. emitting or relating to the emission of ionizing radiation or particles.
  4. the extent or measurement of a surface or piece of land.
  5. the negatively charged electrode by which electrons enter an electrical device.
  6. the lowest part or edge of something, especially the part on which it rests or is supported.
  7. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  8. the smallest particle of a chemical element that can exist.
  9. is a measure of hydrogen ion concentration
  10. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
  11. the degree of compactness of a substance.

21 Clues: dissolving • the degree of compactness of a substance. • is a measure of hydrogen ion concentration • a substance made by mixing other substances together. • the total number of protons and neutrons in a nucleus. • the essential facts or principles of a subject or skill. • the extent or measurement of a surface or piece of land. • ...

Chemistry Words 2016-09-26

Chemistry Words crossword puzzle
Across
  1. Unit for measuring Atomic Mass
  2. Two or more elements and/or compounds physically in the same space but not bonded together
  3. Pure substance that cannot be broken down
  4. Holds a certain amount of electrons until it has to go to the next energy level
  5. Tells how many protons there are in an element
  6. Does not retain shape or volume
  7. Group of electrons revolving around the nucleus
  8. Subatomic Particle in the nucleus with a positive charge
  9. Subatomic particle in the nucleus with a neutral charge
  10. Retains volume but not shape
Down
  1. The electrons that are on the last energy level of an atom
  2. Says if there are more protons than electrons in an atom or vice versa
  3. The mass of the subatomic particles in an element
  4. Two or more atoms combined and the smallest unit of a chemical compound
  5. Building block of all matter
  6. subatomic particle that revolves around the nucleus and has a negative charge
  7. Center part of an atom and contains the protons and neutrons
  8. Table consisting information of all the elements
  9. Retains shape and volume
  10. Made of two or more elements chemically bonded

20 Clues: Retains shape and volume • Building block of all matter • Retains volume but not shape • Unit for measuring Atomic Mass • Does not retain shape or volume • Pure substance that cannot be broken down • Tells how many protons there are in an element • Made of two or more elements chemically bonded • Group of electrons revolving around the nucleus • ...