chemistry Crossword Puzzles

Chemistry Vocabulary 2025-03-06

Chemistry Vocabulary crossword puzzle
Across
  1. Point, the temperature a liquid changes to a solid
  2. a reaction that causes electrons to be lost (rusting)
  3. the vaporization that occurs at the surface of a liquid
  4. the change in state of matter from a liquid to a gas
  5. Point, the temperature that boiling occurs
  6. what is created from a chemical reaction
  7. the substance that does the dissolving in a solution
  8. changing from a ga to a solid without becoming a liquid
  9. the most basic particle of an element
  10. a reaction that absorbs energy or heat
  11. changing from a solid to a gas without becoming a liquid
  12. a pure substance that can't be broken down into simple substances
Down
  1. a reaction that releases energy or heat
  2. a mixture of two or more substances that are evenly dispersed
  3. the substance that dissolves in a solution
  4. the substances that are combined in a chemical reaction
  5. when gas changes to a liquid
  6. well molecules stick together (tension)
  7. Point, the temperature that a solid changes into a liquid
  8. a substance that is made of two or more elements
  9. two or more substances that are together in the same place
  10. Change, a change in physical properties (ie: shape, size, color, etc.)
  11. Change, a new substance is formed in a chemical reaction

23 Clues: when gas changes to a liquid • the most basic particle of an element • a reaction that absorbs energy or heat • a reaction that releases energy or heat • well molecules stick together (tension) • what is created from a chemical reaction • the substance that dissolves in a solution • Point, the temperature that boiling occurs • ...

Chemistry Review 2025-02-22

Chemistry Review crossword puzzle
Across
  1. A group of elements missing an electron in their outermost shell
  2. The name for having more or fewer electrons than protons
  3. Another name for an energy level
  4. A substance that increases the rate of a chemical reaction
  5. A solution in which the solvent is water
  6. A positively charged ion
  7. The ‘inventor’ of the modern Periodic Table
  8. The location of electrons
  9. a pattern of gradual change
  10. the rule describing the tendency of atoms to react in order to obtain a full outer shell
  11. A positively charged sub-atomic particle
  12. A column of elements in the periodic table
  13. Protons + Neutrons
  14. A neutral compound consisting of anions and cations
  15. A substance in which two or more elements are bonded together
  16. An element with a full valence shell of electrons
  17. The number of protons in the nucleus of an atom
  18. The relationship between the mass of a substance and the space it takes up
Down
  1. The bond formed between two non-metals
  2. A group of atoms bonded together
  3. Any element in the d-block (groups 3 – 12) of the periodic table
  4. An element in Group 1 of the Periodic Table
  5. An atom with a specific number of protons
  6. electrons involved in chemical bond formation
  7. A bond in which electrons are shared
  8. When elements/compounds exist together but without chemical bonds
  9. A negatively charged sub-atomic particle
  10. A sub-atomic particle with no charge
  11. The horizontal rows of the Periodic Table
  12. The bond formed between a metal and a non-metal in which electrons are transferred
  13. The arrangement of the nucleus and electrons
  14. An atom which has gained or lost an electron
  15. A negatively charged ion

33 Clues: Protons + Neutrons • A positively charged ion • A negatively charged ion • The location of electrons • a pattern of gradual change • A group of atoms bonded together • Another name for an energy level • A bond in which electrons are shared • A sub-atomic particle with no charge • The bond formed between two non-metals • A solution in which the solvent is water • ...

chemistry crossword 2025-02-23

chemistry crossword crossword puzzle
Across
  1. a element with the atomic number 'ZN'
  2. group of atoms joined by covalent bonds
  3. neutral particle in the nucleus in an atom
  4. an element with the atomic symbol 'RN'
  5. an element with the atomic symbol of 'H'
  6. an element with the atomic symbol 'B'
  7. the group in the periodic table between metals and non metals
  8. positively charged particle in an atom
  9. mass of one element calculated from the total number of protons
  10. horizontal row of elements on periodic table
  11. atom that has become electrically charged because it lost or gained electrons
  12. the centre of an atom
  13. pure substance that can not be broken down and made up of only one atom
  14. makes up all living things that occupy space
  15. an element with the atomic symbol 'AU'
Down
  1. combination of pure substances
  2. the most reactive non metals on the periodic table
  3. negatively charged atom that goes around the nucleus
  4. slow chemical change that occurs when oxygen reacts with metal
  5. chemical reaction that absorbs energy
  6. a table where all the elements are organized
  7. chemical reaction where oxygen reacts with a substance to from new substance and give off energy
  8. a material that electrical charge can pass through easily
  9. the smallest part of an element that makes up all living things
  10. a vertical column of elements on the periodic table
  11. shiny, malleable, ductile elements that conduct electricity

26 Clues: the centre of an atom • combination of pure substances • a element with the atomic number 'ZN' • chemical reaction that absorbs energy • an element with the atomic symbol 'B' • an element with the atomic symbol 'RN' • positively charged particle in an atom • an element with the atomic symbol 'AU' • group of atoms joined by covalent bonds • ...

Chemistry Review 2025-02-24

Chemistry Review crossword puzzle
Across
  1. (*6th space should be a blank) the ratio of grams to moles for a specific substance
  2. breaking a reactant into smaller products
  3. element that will almost bond to itself to form a pair (ex: Oxygen
  4. reaction which has O2 as a reactant and CO2+H2O as products
  5. type of element likely to lose electrons
  6. an atom with a charge
  7. shape formed when a molecule has 2 bonds and some unshared electrons on the central atom
  8. putting together reactants to form a single product
  9. a covalent bond in which the bonded atoms have an electronegativity difference less than 0.4
  10. the set of rules that dictate the 3 dimensional shape of molecules
  11. substance held together by an ionic bond
  12. a written chemical equation in which atoms of each are present on each side in equal quantities
Down
  1. a covalent bond in which the bonded atoms have an electronegativity difference greater than 0.4 but less than 2.0
  2. an atom's desire for more electrons
  3. a specific number of atoms selected by Avogadro to be used as a standard for counting
  4. substance formed by bonding two different elements
  5. bond in which electrons are transferred
  6. (*5th space should be a blank) distance between nuclei of two bonded atoms
  7. (*8th space should be a blank) quantity describing the difficulty of breaking a molecule apart
  8. shape formed when a molecule has 2 bonds and no unshared electrons on the central atom
  9. shape formed when a molecule has 4 bonds and no unshared electrons on the central atom
  10. type of element likely to gain electrons
  11. bond in which electrons are shared

23 Clues: an atom with a charge • bond in which electrons are shared • an atom's desire for more electrons • bond in which electrons are transferred • type of element likely to lose electrons • type of element likely to gain electrons • substance held together by an ionic bond • breaking a reactant into smaller products • substance formed by bonding two different elements • ...

organic chemistry 2025-03-04

organic chemistry crossword puzzle
Across
  1. main constituent of natural gas
  2. a reaction needs UV light
  3. CnH2n+1COOH
  4. a reaction in which a H in an alkane is replaced by a Cl atom
  5. CnH2n+2
  6. a familiy of similar compounds with same general formula and functional group
  7. the molecules used to make natural polymer with amide link
  8. natural polymer with amide link
Down
  1. type of polymerisation using alkenes
  2. molecules contain C and H only
  3. the property of how easily a liquid evaporates
  4. a reaction has only one product formed
  5. type of polymerisation to make PET and nylon
  6. small molecules used to make polymers
  7. the process to make ethanol from glucose
  8. 可生物降解的
  9. CnH2n+1OH
  10. CnH2n
  11. molecules with same moleular formula, but different structural formulae
  12. the name of process to separate pertroleum
  13. a reaction has a larger molecule and a small molecule(H2O) formed

21 Clues: CnH2n • 可生物降解的 • CnH2n+2 • CnH2n+1OH • CnH2n+1COOH • a reaction needs UV light • molecules contain C and H only • main constituent of natural gas • natural polymer with amide link • type of polymerisation using alkenes • small molecules used to make polymers • a reaction has only one product formed • the process to make ethanol from glucose • the name of process to separate pertroleum • ...

Construction Chemistry 2025-01-26

Construction Chemistry crossword puzzle
Across
  1. Бетоны үндсэн хэсэг бөгөөд маш жижиг хэсгүүдтэй байгалийн материал
  2. Барилгын материалд өргөн хэрэглэгддэг шохой ба шаврын холимог
  3. Шохой нь ямар элементийн нэгдлүүдээс бүрддэг вэ?
  4. Материал гадаад хүчний нөлөөнд хэлбэрээ өөрчилж буцаах чадварыг юу гэдэг вэ?
  5. Бетоны химийн урвалын дараах эзэлхүүний багасалт
  6. Цементийн чулуунцарт агуулагддаг үндсэн 4-н эрдсийн нэг
  7. Цементийн химийн урвалыг эхлүүлэхэд зайлшгүй шаардлагатай шингэн
  8. Бетоны бат бэхийг нэмэгдүүлэхэд ашигладаг ган төмөр
  9. Кальцийн нэгдлүүдээс бүрдэх барилгын болон үйлдвэрлэлийн материал
  10. Барилгын материалын масс ба эзэлхүүний харьцаа
  11. Шаврыг өндөр температурт шатааж гарган авдаг, дулаалга хийх дуу чимээ тусгаарлахад давуу талтай материал
Down
  1. Дунджаар 5-20 мм ширхэглэл бүхий хольцыг шатаасны дараа үүсэх биет
  2. Элс, хайрга, ус, цементээс бүрдэх барилгын үндсэн материал
  3. Цемент, ус хоёрын урвалаар үүсэх химийн процесс
  4. Барилгын хавтан, тоосго хийхэд ашигладаг өндөр температурт боловсруулсан материал
  5. Арматур зэврэхэд нөлөөлдөг химийн нэгдэл
  6. Цемент үйлдвэрлэхийн тулд түүхий эдийг өндөр температурт .... хэрэгтэй.
  7. Цементийн барьцалдах хугацааг тохируулахын тулд нэмдэг эрдэс
  8. Элс, ус, цементээс бүрдэх барилгын материал
  9. Бетонд дүүргэгч болгон ашигладаг байгалийн чулуу

20 Clues: Арматур зэврэхэд нөлөөлдөг химийн нэгдэл • Элс, ус, цементээс бүрдэх барилгын материал • Барилгын материалын масс ба эзэлхүүний харьцаа • Цемент, ус хоёрын урвалаар үүсэх химийн процесс • Шохой нь ямар элементийн нэгдлүүдээс бүрддэг вэ? • Бетоны химийн урвалын дараах эзэлхүүний багасалт • Бетонд дүүргэгч болгон ашигладаг байгалийн чулуу • ...

Chemistry Vocabulary 2025-01-21

Chemistry Vocabulary crossword puzzle
Across
  1. A substance that speeds up a chemical reaction by lowering the activation energy without being consumed in the process.
  2. A symbolic representation of a chemical reaction, showing the reactants and products with their quantities.
  3. The solid part of Earth, including rocks, soil, and fossil fuels.
  4. A weak bond formed between the slightly positive hydrogen atom of one molecule and the slightly negative atom (like oxygen) of another molecule.
  5. A principle stating that energy cannot be created or destroyed; it can only be transferred or transformed.
  6. The part of Earth where life exists, including all living organisms.
  7. A process in which reactants are transformed into products by breaking and forming chemical bonds.
  8. A chemical reaction that absorbs energy, often resulting in a cooling effect. Example Photosynthesis.
  9. The layer of gases surrounding Earth, including nitrogen, oxygen, and carbon dioxide.
  10. The starting substances in a chemical reaction that undergo a change to form products.
Down
  1. The minimum energy required to start a chemical reaction.
  2. The movement of carbon through Earth’s four spheres (atmosphere, biosphere, hydrosphere, geosphere) via processes like photosynthesis, respiration, and combustion.
  3. A chemical reaction that releases energy, usually as heat or light. Example Combustion.
  4. A principle stating that mass cannot be created or destroyed in a chemical reaction; the mass of the reactants equals the mass of the products.
  5. A force that holds atoms together in a molecule. Types include covalent, ionic, metallic, and hydrogen bonds.
  6. All of Earth’s water, including oceans, lakes, rivers, and groundwater.
  7. A molecule with an uneven distribution of charge, creating a positive side and a negative side. Water is a polar molecule.
  8. A group of two or more atoms chemically bonded together. Molecules can consist of the same type of atom (e.g., O₂) or different types (e.g., H₂O).
  9. The smallest unit of an element that retains its chemical properties. Atoms consist of a nucleus made of protons and neutrons, surrounded by electrons.
  10. The substances formed as a result of a chemical reaction.

20 Clues: The minimum energy required to start a chemical reaction. • The substances formed as a result of a chemical reaction. • The solid part of Earth, including rocks, soil, and fossil fuels. • The part of Earth where life exists, including all living organisms. • All of Earth’s water, including oceans, lakes, rivers, and groundwater. • ...

Chemistry Terms 2024-12-16

Chemistry Terms crossword puzzle
Across
  1. neutrally charged subatomic particle
  2. horizontal category on the periodic table
  3. elements in group 2
  4. elements in group 18
  5. element with the symbol Mg
  6. elements that are between metals and nonmetals
  7. verticle category on the periodic table
  8. elements in groups 3-12
  9. a substance with a definite shape and volume
  10. basic unit of a chemical element
Down
  1. negatively charged subatomic particle
  2. The symbol for this element is Ag
  3. element with the symbol K
  4. bond between two nonmetals in which electrons are shared
  5. positively charged subatomic particle
  6. The symbol for this element is Au
  7. elements in group 17
  8. elements in group 1
  9. the outermost electron in an atom
  10. bond between a metal and a nonmetal in which electrons are transferred

20 Clues: elements in group 2 • elements in group 1 • elements in group 17 • elements in group 18 • elements in groups 3-12 • element with the symbol K • element with the symbol Mg • basic unit of a chemical element • The symbol for this element is Ag • The symbol for this element is Au • the outermost electron in an atom • neutrally charged subatomic particle • ...

Advanced Chemistry 2025-03-13

Advanced Chemistry crossword puzzle
Across
  1. - organic compounds that consist of single-bonded carbon and hydrogen atoms.
  2. - the tendency of an atom to attract electron/s toward itself
  3. - formed between two or more atoms of same elements
  4. - subatomic particles found inside the nucleus of every atom
  5. - requires that electrons must occupy singly firs before pairing occurs
  6. - any class of organic compounds in which a carbon atom is bonded to an oxygen atom by a double bond and to a hydroxyl group -OH by a single bond
  7. - are formed by the sidewise positive (same phase) overlap of atomic orbitals along a direction perpendicular
  8. - an atom is most stable when there are eight electrons in its valence shell
  9. - it is also known as olefins
  10. - set of numbers use to locate and describe the most probable location (main energy level, sublevel, and orbital) and spin of an electron of an atom
  11. - the attraction usually forms between a metal and non-metal
  12. - region at the center of the atom
  13. - are forces that holds atom together to make compounds or molecules
  14. - the smallest unit/particle of an element that takes part in a chemical reaction
  15. - the class of hydrocarbons having a ring-like structure
  16. - formed between two or more atoms of different elements
  17. - compounds in which an oxygen atom is bonded to a carbon atom, which is itself bonded to two or more carbon atoms.
  18. - a flammable, colorless, and odorless gas with the chemical formula C3H8
  19. - a volume of space within an atom where electrons are most lively to be found
  20. - it's an international organization that sets standards for chemistry, including nomenclature, measurement, and atomic weights
  21. - it states that hydrogen and helium may have no more than two electrons in their valence shell
  22. - are class of organic compounds that contains an ether group- an oxygen atom connected to two alkyl or aryl groups
Down
  1. - a hydrocarbon that is a primary component of natural gas.
  2. - comprised of carbon and hydrogen atoms and is the derivative of alkanes
  3. - any organic compound in which the hydroxyl fuctional group (-OH) is bound to a saturated carbon atom
  4. - this type of covalent bond formed a by head on positive (same phase) overlap of atomic orbitals along the internuclear axis
  5. - orbit where electrons spin around the nucleus of an atom
  6. - a class of chemical bonds where valence electrons are shared between atoms
  7. - are electrons occupying the outermost energy level of an atom
  8. - an organic compound consisting of hydrogen and carbon
  9. - generally compounds that include carbon atoms, and typically hydrogen-carbon bonds.
  10. - a colorless, flammable, and volatile organic compound that's made up of six carbon atoms and 14 hydrogen atoms
  11. - a naturally abundant, nonmetallic element that occurs in all organic compounds and can be found in all known forms of life
  12. - it is also known as Alkanal
  13. - a subatomic particle with a positive electrical charge
  14. - is the bonding of atoms of the same element into a series called chain
  15. - a subatomic particle with a negative electrical charge
  16. - are the atoms of the same element that have different masses
  17. - shows molecules using the element symbol to represent the nucleus and core electrons of each atom, lines to represent electron pairs and dot for unbonded electrons
  18. - is chemical compound derived from an acid in which at least one -OH hydroxyl group is replaced by an -O-alkyl group

40 Clues: - it is also known as olefins • - it is also known as Alkanal • - region at the center of the atom • - formed between two or more atoms of same elements • - an organic compound consisting of hydrogen and carbon • - a subatomic particle with a positive electrical charge • - a subatomic particle with a negative electrical charge • ...

Chemistry Crossword 2025-04-15

Chemistry Crossword crossword puzzle
Across
  1. Mixture in which one substance is evenly mixed with another substance
  2. a substance containing only one type of atom;it cannot be broken down into another substance, in a chemical reaction
  3. an insoluble chemical produced during a chemical reaction
  4. Use of chemical to make the particles in a suspension clump together
  5. Suspension of two liquids
  6. Substance in which solute dissolves
  7. suspension in which the particles are permanently suspended
  8. A substance that can be dissolved in a solvent to make a solution
  9. Is a material formed by chemically bonding two or more chemical elements
  10. Neither acidic or basic
  11. A reaction with acid that gives water as well as salt
  12. Solution form when a solute dissolves in a solvent
Down
  1. Two or more substances that have been mixed together but not chemically combined
  2. A charge atoms or group of atoms formed by the gain or loss of one or more electrons
  3. Able to dissolve
  4. Smallest part of a substance that has all the properties of the substance matter
  5. Term for a weak solution
  6. A measure of how fast or slow something is
  7. Material that blocks light
  8. Substance that react with metals to release hydrogen
  9. Substance formed when metals react with water
  10. Term for a strong solution
  11. Metals that have the physical property of being softer than most metals, light than most metals (low density), and low melting points
  12. cloudy mixture of two or more substances that settle on standing
  13. Go into solution
  14. Negative ion is made up of one atom of hydrogen and one atom of oxygen
  15. Paper that can be used to identify an acid or base
  16. Not able to dissolve
  17. Chemical formula NaCL
  18. elements are made up atoms, which contains protons, neutrons, and electrons
  19. Substance that changes color in acids and bases

31 Clues: Able to dissolve • Go into solution • Not able to dissolve • Chemical formula NaCL • Neither acidic or basic • Term for a weak solution • Suspension of two liquids • Material that blocks light • Term for a strong solution • Substance in which solute dissolves • A measure of how fast or slow something is • Substance formed when metals react with water • ...

CHEMISTRY CROSSWORD 2025-04-27

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. A particle with a charge of 1- and almost no mass, in an atom
  2. A regular arrangement of particles
  3. A metal oxide or hydroxide; a base will neutralize an acid to form a salt and water
  4. Has a pH less than 7; an acidic solution contains H+ ions
  5. Indicator paper that changes color to show if a solution is acidic or alkalin
  6. Electron configuration: How electrons in an atom are arranged in electron shells; it is shown for example as 2,8,3
  7. The physical change in which a gas turns into a liquid on cooling
  8. The liquid in which a solute is dissolved, to make a solution
  9. Elements are made up of atoms, which contain protons, neutrons, and electrons
  10. The amount of solute that will dissolve in 100 grams of solvent, at a given temperature
  11. destroy the structure of an enzyme by heat, or change in p
  12. Takes in energy from the surroundings
  13. A particle with a charge of 1+ and a mass of 1 unit, found in the nucleus of an atom
  14. A byproduct of anaerobic respiration in muscles
  15. The process in which crystals form, as a saturated solution cools
Down
  1. Shows the elements in order of increasing proton number; similar elements are in columns called groups
  2. A strong acid, meaning it completely dissociates in water
  3. : A particle with no charge and a mass of 1 unit, found in the nucleus of an atom
  4. Gives out energy
  5. A soluble base; for example sodium hydroxide
  6. The temperature at which a substance boil
  7. The temperature at which a solid substance melt
  8. Test to identify metal cation from the colours shown when their compounds are heated in a Bunsen flame
  9. A unit of two or more atoms held together by covalent bonds
  10. A chemical that shows by its colour whether a substance is acidic or alkaline
  11. A mixture obtained when a solute is dissolved in a solvent
  12. The bond formed between ions of opposite charge
  13. Contains two or more substances that are not chemically combined
  14. A compound made of atoms joined by covalent bonds
  15. A weak organic acid, naturally found in citrus fruits

30 Clues: Gives out energy • A regular arrangement of particles • Takes in energy from the surroundings • The temperature at which a substance boil • A soluble base; for example sodium hydroxide • The temperature at which a solid substance melt • The bond formed between ions of opposite charge • A byproduct of anaerobic respiration in muscles • ...

Chemistry Vocabualry 2025-04-28

Chemistry Vocabualry crossword puzzle
Across
  1. anything that occupies space and has mass.
  2. a group of atoms held together by covalent bonds.
  3. consist of atoms of two or more elements that are joined to chemical bonds.
  4. a substance that cannot be broken down chemically into simpler kinds of matter.
  5. having a regular, repeating pattern.
  6. substance that is doing the dissolving.
  7. elements that are dull (not shiny) and that are poor conductors of thermal energy and electric current.
  8. the ability of one substance to dissolve another.
  9. an atom with an electrical charge (+ or -).
  10. a mixture that appears to be a single substance but is composed of particles of two or more substances that are distributed evenly amongst each other.
Down
  1. elements that are shiny and are good conductors of thermal energy and electric current.
  2. each vertical row of elements on a periodic table.
  3. two or more substances mixed together whose composition is not fixed.
  4. the part of an atom that has no electrical charge.
  5. each horizontal row of elements on a periodic table.
  6. substance that is being dissolved
  7. the fundamental unit of matter that contains a nucleus, protons, neutrons, and electrons.
  8. atoms of the same element that differ in the number of neutrons they contain.
  9. the part of an atom that has a positive electrical charge.
  10. the part of an atom that has a negative electrical charge.
  11. semiconductors that are elements that have properties of both metals and nonmetals.

21 Clues: substance that is being dissolved • having a regular, repeating pattern. • substance that is doing the dissolving. • anything that occupies space and has mass. • an atom with an electrical charge (+ or -). • a group of atoms held together by covalent bonds. • the ability of one substance to dissolve another. • each vertical row of elements on a periodic table. • ...

Chemistry vocab 2025-04-25

Chemistry vocab crossword puzzle
Across
  1. attraction between atoms
  2. smallet unit
  3. study of matter
  4. type of measurement
  5. unit of measurement
  6. cant be broken
  7. 3 dimensional space
  8. solid liquid gas
  9. 2 Atoms connected by chemicals
  10. changing substance chemical
  11. substance changes
  12. substance converted to different
  13. increase over time
Down
  1. physical process
  2. help chemical reaction
  3. Everything that takes up space
  4. elements bond together
  5. 2 or more substance
  6. helps do work
  7. form of energy
  8. interacts with substance
  9. chemical reaction
  10. act state or process
  11. starting substance

24 Clues: smallet unit • helps do work • cant be broken • form of energy • study of matter • physical process • solid liquid gas • chemical reaction • substance changes • starting substance • increase over time • type of measurement • 2 or more substance • unit of measurement • 3 dimensional space • act state or process • help chemical reaction • elements bond together • attraction between atoms • ...

Chemistry crossword 2025-04-26

Chemistry crossword crossword puzzle
Across
  1. A regular arrangement of particles
  2. Bond formed between ions of opposite charge
  3. The particles with a charge of 1 – and almost no mass in an atom
  4. Molecules containing 2 atoms joined by a covalent bond
  5. Not part of the desired chemical composition
  6. Another name for positive ion
  7. A unit of two or more atoms held in together covalent bonds
  8. A column of the Periodic Table containing element with similar properties
  9. Process in which particles mix by colliding randomly with each other and bouncing off
  10. React with substances it comes into contact with
  11. Can be bend or hammered into a shape
  12. Can easily be drawn out into a wire
  13. A substance in which two or more elements are chemically combined
  14. Measure of how fast or slow something is
  15. Halogens reacting with metals to form compounds
Down
  1. A physical change from a solid to liquid
  2. Tells you how much of one substance is dissolved in another substance
  3. Another name for negative ion
  4. Soluble bases; Hydroxides
  5. Atoms of the same element, that have a different numbers of neutron
  6. The center part of an atom, made up of protons and neutrons
  7. A compound formed between oxygen and other element
  8. There is only one substance in it
  9. A chemical made in a chemical reaction
  10. The liquid in which a solute is dissolved to make a solution
  11. A starting chemical for a reaction
  12. A solution of a slightly soluble compound calcium hydroxide
  13. Makes a ringing sound when struck
  14. The mass of a substance per unit volume
  15. A substance containing only one type of atom; it cannot be broken

30 Clues: Soluble bases; Hydroxides • Another name for negative ion • Another name for positive ion • There is only one substance in it • Makes a ringing sound when struck • A regular arrangement of particles • A starting chemical for a reaction • Can easily be drawn out into a wire • Can be bend or hammered into a shape • A chemical made in a chemical reaction • ...

Chemistry crossword 2025-04-14

Chemistry crossword crossword puzzle
Across
  1. go into solution
  2. is a substance containning only one atom
  3. is a starting chemical reaction
  4. contains two or more substances that arenot chemically combined
  5. is the number of protons in the nucleus of an atom
  6. is a chemical made in a chemical reactant
  7. is something without colour
  8. is a measure of the concentration of hydrogen or hydroxyl ions in a solution
  9. is the psychical change in which a gas turns into a liquid in cooling
  10. is a minute portion of matter
  11. is a weak solution
  12. is a substance in which two or more elements are chemically combined
  13. is the bond formed between ions of opposite charge
  14. is a temperature at which a liquid changes to gas
Down
  1. the equipment used for a specific purpose, mainly experiments. ex. laboratory gown, test tube, beaker, etc.
  2. is the idea that for particles to react, they must collide
  3. is a group Vii
  4. is how electrons in an atom are arranged in electron shells
  5. is proteins made by living cells, that act as biological catalyst
  6. is a chemical formula (H2O)
  7. is a molecule contains two atoms joined by a covalent bond
  8. is a charged atom or group of atoms formed by the gain or loss of one or more electrons
  9. is a compound made up of ions, joined by ionic bonds
  10. is tells you how much of one substance is dissolved in another
  11. is where liquid turns into a gas at a temperature below its boiling point, taking place at the surface of the liquid
  12. is how fast a reaction is
  13. increase the rate of a reaction and is unchanged
  14. is a cloudy mixture of two or more substances that settle on standing
  15. elements are made up of atoms, which contain protons, neutrons, and electron
  16. tells how light or heavy a substance is, using mass and volume

30 Clues: is a group Vii • go into solution • is a weak solution • is how fast a reaction is • is a chemical formula (H2O) • is something without colour • is a minute portion of matter • is a starting chemical reaction • is a substance containning only one atom • is a chemical made in a chemical reactant • increase the rate of a reaction and is unchanged • ...

Chemistry Vocabulary 2025-08-29

Chemistry Vocabulary crossword puzzle
Across
  1. Scientist nicknamed "father of the periodic table"
  2. The name of your chemistry teacher
  3. Where the elections of an atom are housed.
  4. Total number of Protons + Total number of Neutrons
  5. Type of bond where atoms share electrons
  6. A negatively charged particle
  7. Electrons in the outer most shell of an atom
  8. Notation of how we are used to writing numbers
  9. An atoms total number of Protons
  10. Scientist who conducted a gold foil experiment with alpha particles
  11. State of matter with no definite shape, but a definite volume.
  12. Two or more elements bonded together.
Down
  1. A substance that can accept a proton
  2. A pure substance that cannot be broken down into a simper substance
  3. Scientist who is responsible for the Atomic Theory
  4. State of matter with not definite shape nor volume.
  5. Type of bond where one atoms loses electrons and another atom gains electrons
  6. A combination of two or more substances.
  7. Anything that has mass and takes up space.
  8. The study of matter
  9. A positively charged particle.
  10. Some of the element symbols are in this language
  11. A particle with no charge.
  12. Two or more atoms joined together.
  13. Notation that allows us to write really large or small numbers in a concise way.
  14. Where the protons and neutrons of an atom are housed
  15. A substance that can donate a proton
  16. The force that holds atoms or ions together.
  17. State of matter with a definite shape and volume.
  18. The smallest unit of matter

30 Clues: The study of matter • A particle with no charge. • The smallest unit of matter • A negatively charged particle • A positively charged particle. • An atoms total number of Protons • The name of your chemistry teacher • Two or more atoms joined together. • A substance that can accept a proton • A substance that can donate a proton • Two or more elements bonded together. • ...

chemistry crossword 2025-08-28

chemistry crossword crossword puzzle
Across
  1. amount of matter in an object
  2. the way a substance reflects light
  3. rusting and tarnishing
  4. amount of space an object occupies
  5. gaseous state that is a liquid/solid
  6. react with water
  7. substance that can be measured/observed
  8. properties change but composition of material doesn't
  9. separates a solid from liquid
  10. contains two or more elements chemically combined
  11. physical blend of two or more components
  12. composition is not uniform throughout
  13. a chemical change
  14. fills its container
  15. the average kinetic energy of particles in a substance
  16. substance present at the start of the reaction
  17. substance produced in the reaction
  18. solid that forms and settles out a liquid measure
  19. substance to be hammered flat and retain shape
  20. matter that has uniform and definite composition
Down
  1. how substance looks and feels
  2. liquid is boiled to produce a vapor condenses to a liquid
  3. composition is uniform throughout
  4. ratio of mass to volume
  5. amount of matter in a sample
  6. simplest form of matter with unique set of properties
  7. takes shape of container
  8. produced matter with different composition than original matter
  9. type of matter in a sample
  10. describe any part of a sample with uniform composition and properties
  11. keeps its shape
  12. ability of substance to undergo a specific chemical change
  13. ability of a substance to be stretched into wire
  14. how the object absorbs and reflects

34 Clues: keeps its shape • react with water • a chemical change • fills its container • rusting and tarnishing • ratio of mass to volume • takes shape of container • type of matter in a sample • amount of matter in a sample • how substance looks and feels • amount of matter in an object • separates a solid from liquid • composition is uniform throughout • the way a substance reflects light • ...

Chemistry Revision 2025-05-29

Chemistry Revision crossword puzzle
Across
  1. Subatomic particle that has a mass of 1 and a positive 1 charge (6)
  2. Snails and electrons both exist in these (6)
  3. Type of radiation that has a mass of 4 (5)
  4. Type of radiation that is an electromagnetic wave (5)
  5. A type of exothermic reaction that you are doing right now (8-11)
  6. The part of an atom that contains most of the mass (7)
  7. The combination of the protons and neutrons (4-6)
  8. Type of radiation that can penetrate through thin aluminium (4)
  9. These substances release hydrogen ions (5)
  10. The type of energy stored in the bonds of molecules (8)
  11. The acid with the formula HNO3 (6)
  12. Subatomic particle that has a mass of 1 and no charge (7)
  13. A atom that has a unusual number of neutrons (7)
  14. How many protons in any element (6-6)
  15. In this type of reaction the products have more energy than the reactants (11)
  16. All reactions will start this these (9)
  17. This type of reaction releases energy from the system to the surroundings (10)
Down
  1. If a solution had a pH of 7 it would be this (7)
  2. A type of atom that emits radiation (12)
  3. The process by which an unstable nucleus changes into a more stable nucleus (7-5)
  4. The acid with the formula HCl (12)
  5. These substances can be hydroxides or oxides (5)
  6. Subatomic particle that has almost no mass and a negative 1 charge (8)
  7. If hydrogen was produced from an acid reaction then this was added to the acid (5)
  8. Acids and carbonates make this gas (6-7)
  9. A radioisotope that has a half-life of 5730 years (6-8)
  10. The acid with the formula H2SO4 (8)
  11. To carbon date a material it had to once be this (5)
  12. The acid that has the formula H2CO3 (8)
  13. A substance made of only one type of atom (7)
  14. This reactions that creates glucose in plants from water and carbon dioxide (14)
  15. All acid reactions will produce this (4)

32 Clues: The acid with the formula HCl (12) • The acid with the formula HNO3 (6) • The acid with the formula H2SO4 (8) • How many protons in any element (6-6) • The acid that has the formula H2CO3 (8) • All reactions will start this these (9) • A type of atom that emits radiation (12) • Acids and carbonates make this gas (6-7) • All acid reactions will produce this (4) • ...

Chemistry ch3 2025-10-08

Chemistry ch3 crossword puzzle
Across
  1. Student of thompson, Used Alpha beam (+) discovered the nucleus and the proton.
  2. used different wavelengths of lightwaves to discover the presence of neutrons & electrons travel Specific distances from the nucleus
  3. the sum of the masses of the protons neutrons and electrons
  4. Law of ____ proportions- When 2 or more combinations of the same elements are possible, they still form Whole number ratios. (the smaller the ratio is the more double bonds there are)
  5. Crookes - invented the cathode ray tube. (the cathode ray tube was a technology used to discover the parts of an atom.)
  6. measurement from crest to trough Controls Color & visibility
  7. the number of protons in the atom
  8. Cathode ray bent when exposed to a negative charge. He discovered the election theorized that must have positive charge holding it together. Plum pudding model
  9. neutral particle in the nucleus
  10. electrons the outer shell electrons that are involved with chemical reactions
  11. he developed a model discovered that electrons can Change orbitals. (He discovered that when energy is put into an atom he would see sparks.
Down
  1. negative particle in or it around the nucleus
  2. presents s as both a wave and a particle.
  3. Matter is made of pieces so tiny they cannot be cut into smaller pieces.
  4. has the same mass as a proton +1amu)
  5. barely have any mass ( .0018 amu)
  6. particles are the particles that make up an atom
  7. cloud the place in the atom where we can expect to find an electron
  8. unit that is = to the mass of 1 proton
  9. how close the crests are or how many Crest per distance
  10. lor more electrons from I atom to the other the atoms are now Charged & stick to each other ion-any charged atom
  11. is the wave length center to crest of trough
  12. positive particle in the nucleus
  13. 4 point atomic theory (17005)
  14. state-lowest energy level that is open/available

25 Clues: 4 point atomic theory (17005) • neutral particle in the nucleus • positive particle in the nucleus • barely have any mass ( .0018 amu) • the number of protons in the atom • has the same mass as a proton +1amu) • unit that is = to the mass of 1 proton • presents s as both a wave and a particle. • is the wave length center to crest of trough • ...

Chemistry #1 2025-07-06

Chemistry #1 crossword puzzle
Across
  1. if an atom has five protons, then the identity of the atom is the element ________
  2. If a hydrogen atom has one neutron, how many "u" does the atom have?
  3. mass is the amount of "______" in an object
  4. In order to find the amount of "u" that an atom has, you _____ up the number of protons and number of electrons
  5. a pure substance that can't be chemically broken into smaller parts
  6. if an atom has three protons, then the identity of the atom is the element ________
  7. In order for an atom to be neutral, it must have an ______ amount of protons and electrons
  8. atoms that have the same amount of protons but different amounts of neutrons
  9. In the ______ foil experiment, particles were shot at a strip of foil
  10. particles that are smaller than an atom are called ___atomic particles
  11. How many neutrons does Oxygen-17 have?
  12. the gold foil experiment showed that most of an atom is composed of ______ space
  13. your sister's name
  14. How many neutrons does Lithium-7 have?
  15. How many neutrons does Carbon-12 have?
  16. if an atom has eleven protons, then the identity of the atom is the element ________
  17. How many neutrons does Oxygen-18 have?
Down
  1. a proton has a charge of ______ one
  2. when it comes to electrical charge, opposites ______
  3. How many protons does an oxygen atom have?
  4. protons and neutrons are found in the _______ of an atom
  5. the identity of an atom is determined by its number of ______
  6. Your birthday is in the month of _______ (I think)
  7. the gold foil experiment showed that most of an atom's _____ is in the nucleus
  8. the smallest unit of an element that can still be identified as that element
  9. In order for a lithium atom to be neutral, it must have _____ electrons
  10. subatomic particles that are NOT found in the nucleus
  11. an electron as a charge of ______ one
  12. Next year, you will be a _______ in high school
  13. Does a neutron have a charge?

30 Clues: your sister's name • Does a neutron have a charge? • a proton has a charge of ______ one • an electron as a charge of ______ one • How many neutrons does Oxygen-17 have? • How many neutrons does Lithium-7 have? • How many neutrons does Carbon-12 have? • How many neutrons does Oxygen-18 have? • How many protons does an oxygen atom have? • ...

Chemistry Vocab 2025-08-29

Chemistry Vocab crossword puzzle
Across
  1. takes the shape of its container (indefinite shape)
  2. Made of 2 or more atoms
  3. an element
  4. Periodic Table of...
  5. Usually observed or measured
  6. takes up space and has mass
  7. can be in any phase
  8. a compund
Down
  1. related to the behaviors of substances
  2. Ratio of objects' mass to volume
  3. Physical blending of 2 or more pure substances
  4. branch of science that deals with the properties, composition, and structure of elements and compounds
  5. made of 2 or more elements
  6. a type of pure matter with a consistent, uniform composition and unique properties
  7. has distinct phases
  8. Amount of 3D space a substance takes up
  9. "Stuff"
  10. can fill any volume (indefinite volume)
  11. glass container used for holding, heating, mixing, and transferring liquids
  12. not compressible (definite volume)
  13. Building Blocks

21 Clues: "Stuff" • a compund • an element • Building Blocks • has distinct phases • can be in any phase • Periodic Table of... • Made of 2 or more atoms • made of 2 or more elements • takes up space and has mass • Usually observed or measured • Ratio of objects' mass to volume • not compressible (definite volume) • related to the behaviors of substances • Amount of 3D space a substance takes up • ...

Chemistry Panel 2025-10-03

Chemistry Panel crossword puzzle
Across
  1. If ALP >>> GGT, ___ disease is likely.
  2. An increase in this enzyme is indicative of renal disease
  3. This is used to measure USG.
  4. It is important to look at how ___ the reference interval is in determining how significant a change is.
  5. ___ is a definition of increased BUN (and possibly creatinine also).
  6. The best indicator for cholestasis
  7. Is an enzyme indicative of cholestasis
  8. This is the process of breaking down glycogen in the liver.
  9. ___ stimulates glucose to be taken up by tissues to use for energy to carry out their normal processes.
Down
  1. A more accurate measurement of glomerular filtration
  2. A ____ consists of a serum chemistry, urinalysis, and complete blood count
  3. ___ azotemia is characterized by elevated BUN and creatinine with variable USG.
  4. This is the synthesis of glucose from amino acids or fats.
  5. ___ azotemia is characterized by increased BUN with normal creatinine and appropriate urine concentration.
  6. A ___ value comes from two standard deviations above and below the mean = 95% of tested animals.
  7. ____ azotemia is characterized by elevated BUN and creatinine with poorly concentrated urine.
  8. Is an enzyme indicative of hepatocyte damage
  9. ___ can be used to further characterize azotemia into pre-renal, renal, and post-renal.
  10. Small elevations in ALP are more significant in this species
  11. If GGT >>> ALT, ____ tract disease is likely.

20 Clues: This is used to measure USG. • The best indicator for cholestasis • If ALP >>> GGT, ___ disease is likely. • Is an enzyme indicative of cholestasis • Is an enzyme indicative of hepatocyte damage • If GGT >>> ALT, ____ tract disease is likely. • A more accurate measurement of glomerular filtration • An increase in this enzyme is indicative of renal disease • ...

Chemistry Molecules 2025-10-15

Chemistry Molecules crossword puzzle
Across
  1. the smallest unit of matter that still has the properties of an element
  2. describes a bond or molecule where electrons are shared unequally, creating partial charges
  3. the ability to do work or cause change, often involved in making or breaking bonds
  4. an atom or group of atoms that has gained or lost electrons and has a charge
  5. a substance formed as a result of a chemical reaction
  6. a measure of how strongly an atom attracts electrons in a bond
  7. a type of bond formed when one atom transfers electrons to another
  8. the arrangement of atoms in a molecule, including bond angles and shape
  9. a type of bond formed when two atoms share electrons
  10. a force that holds atoms together in a molecule or compound
  11. a type of bond found in metals where atoms share a sea of electrons
Down
  1. describes a bond or molecule where electrons are shared equally between atoms
  2. a type of reaction where one element takes the place of another in a compound
  3. a chemical reaction where one compound breaks down into simpler substances
  4. a process where substances change into new substances with different properties
  5. a chemical reaction in which a substance reacts with oxygen and releases energy as heat and light
  6. a chemical reaction where two or more substances combine to form one product
  7. a substance made of two or more different elements chemically combined
  8. a starting material that takes part in a chemical reaction
  9. two or more atoms bonded together that act as a single unit
  10. the number of electrons an atom can share, lose, or gain when bonding
  11. the process by which atoms are joined together to form compounds

22 Clues: a type of bond formed when two atoms share electrons • a substance formed as a result of a chemical reaction • a starting material that takes part in a chemical reaction • two or more atoms bonded together that act as a single unit • a force that holds atoms together in a molecule or compound • a measure of how strongly an atom attracts electrons in a bond • ...

Chemistry vocabulary 2025-09-08

Chemistry vocabulary crossword puzzle
Across
  1. Two or more atoms chemically bonded together; it’s the smallest unit of a compound that still has the compound’s properties.
  2. A substance that reduces hydrogen ion concentration or produces hydroxide ions (OH⁻) in water; proton acceptor; pH greater than 7.
  3. Atoms of the same element (same protons) that have different numbers of neutrons, and thus different masses.
  4. A measure of how acidic or basic a solution is, based on the concentration of hydrogen ions; ranges from 0 (very acidic) to 14 (very basic).
  5. A process where substances (reactants) are transformed into new substances (products) by breaking and forming chemical bonds.
  6. A physical combination of two or more substances that are not chemically bonded and can often be separated (e.g., sand and iron filings).
  7. A pure substance made of only one kind of atom, defined by its number of protons (atomic number).
  8. A neutral subatomic particle in the nucleus that contributes to an atom’s mass and to nuclear stability.
  9. A substance formed when atoms of different elements are chemically bonded in fixed ratios (e.g., H₂O, CO₂).
  10. A substance that speeds up a chemical reaction by lowering the activation energy, without being consumed.
Down
  1. A uniform mixture where one substance (solute) is completely dissolved in another (solvent), such as salt water.
  2. The combining capacity of an atom, determined by the number of electrons it can lose, gain, or share in bonding.
  3. A negatively charged subatomic particle that occupies regions around the nucleus and is key to chemical bonding.
  4. A positively charged subatomic particle in the nucleus; its number determines the element’s identity.
  5. Arranged in recurring patterns; the periodic table organizes elements so that properties repeat at regular intervals with atomic number.
  6. An atom or molecule with a net electrical charge because it has lost or gained electrons.
  7. A connection between atoms in a molecule, formed when they share or transfer electrons.
  8. The capacity to do work or produce change; in chemistry, often involved as heat, light, or stored in chemical bonds.
  9. A substance that increases the concentration of hydrogen ions (H⁺) in water; proton donor; pH less than 7.
  10. The smallest unit of an element that retains that element’s chemical properties; made of a nucleus (protons and neutrons) and electrons.

20 Clues: A connection between atoms in a molecule, formed when they share or transfer electrons. • An atom or molecule with a net electrical charge because it has lost or gained electrons. • A pure substance made of only one kind of atom, defined by its number of protons (atomic number). • ...

Cryptic Chemistry 2025-09-03

Cryptic Chemistry crossword puzzle
Across
  1. A group of elements too reactive to hang out
  2. This reaction is hot stuff
  3. How many protons are in the club?
  4. What you do to a sick chemist?
  5. Moving things along but not getting involved
  6. This gas could make you moan in pain
  7. Lightweight metal spelled different in the US
  8. Perfectly neutral
  9. In a spaced out state
Down
  1. Orderly Desk
  2. Share nicely
  3. Quizzing cylinder
  4. Toil and trouble but no magic here
  5. Don't melt the messenger
  6. Feeling positive
  7. Citric and acetic to name a few
  8. They're essential. SO Am I?
  9. Policeman involved in plumbing
  10. Heavy dogs leash
  11. Disordered Moat

20 Clues: Orderly Desk • Share nicely • Disordered Moat • Feeling positive • Heavy dogs leash • Quizzing cylinder • Perfectly neutral • In a spaced out state • Don't melt the messenger • This reaction is hot stuff • They're essential. SO Am I? • What you do to a sick chemist? • Policeman involved in plumbing • Citric and acetic to name a few • How many protons are in the club? • ...

Chemistry Bonus 2026-04-27

Chemistry Bonus crossword puzzle
Across
  1. diffusion through a tiny opening
  2. point where titration changes colors
  3. transition of a substance from gas to solid
  4. procedure where a concentration of a solution is determined by comparing it to a solution of a known concentration
  5. enthalpy change for a reaction carried out in multiple steps is equal to the sum of the enthalpy changes for each individual step
  6. substance that increases the concentration of hydrogen ions in an aqueous solution
  7. substance that increases the concentration of hydroxide ions in an aqueous solution
  8. characteristic that can be observed or measured without changing the sample's composition
  9. ability of a substance to combine with or change into one or more other substances
  10. one element trades places with another element
  11. species produced when a base accepts a hydrogen ion from an acid
Down
  1. random movement of gas molecules from an area of higher concentration to an area of lower concentration
  2. one reactant forms several porducts
  3. transition of a substance from solid to gas
  4. species that results when an acid donates a hydrogen ion to a base
  5. point at which moles of H3O+ ion from the acid equal the moles of OH- from the base
  6. temperature and pressure at which the solid, liquid, and gas forms of a substance coexist
  7. device used to measure the energy absorbed or released as heat in a chemical reaction
  8. several reactants form one product
  9. two elements trade places

20 Clues: two elements trade places • diffusion through a tiny opening • several reactants form one product • one reactant forms several porducts • point where titration changes colors • transition of a substance from solid to gas • transition of a substance from gas to solid • one element trades places with another element • ...

Chemistry Crossword 2026-04-28

Chemistry Crossword crossword puzzle
Across
  1. State of matter where particles have free flow,so it has definite volume, but no shape
  2. When an acid DONATES a hydrogen ion to a base
  3. pH substance of 7 or higher,slippery to touch,tastes bitter, and turns litmus paper blue
  4. State of matter where particles have no defined shape or volume
  5. Donates ONE proton per molecule, such as HCL
  6. Material that changes color in contrast to acidity, thus be used to measure acidity
  7. Logarithmic scale to specify the acidity or basicity of aqueous solutions
  8. Chemical reaction between acid and base which produces a more neutral solution
  9. Energy in motion
  10. Energy due to position,composition, or arrangement
Down
  1. One chemical substance is transformed into one or more different substances
  2. Change in state of matter of a sample
  3. Technique where a solution of a known concentration is used to determine the concentration of an unknown solution
  4. State of matter where atoms are closely packed; constant volume and shape
  5. Chemical reaction that releases energy from the chemicals into surroundings
  6. Changing the way a particular substance looks without affecting its chemical identity
  7. Chemical substance that neutralizes alkali,dissolves some metals, and turns litmus paper red
  8. When a base ACCEPTS a hydrogen ion from an acid
  9. Donates MORE THAN ONE proton per molecule
  10. Chemical reaction that absorbs heat from its surroundings

20 Clues: Energy in motion • Change in state of matter of a sample • Donates MORE THAN ONE proton per molecule • Donates ONE proton per molecule, such as HCL • When an acid DONATES a hydrogen ion to a base • When a base ACCEPTS a hydrogen ion from an acid • Energy due to position,composition, or arrangement • Chemical reaction that absorbs heat from its surroundings • ...

Chemistry Review 2026-04-28

Chemistry Review crossword puzzle
Across
  1. A change in matter in which new materials with new chemical and physical properties are formed.
  2. The total pressure in a gas mixture is equal to the sum of the partial pressures of the individual gases.
  3. A substance that increases the concentration of hydroxide ions in an aqueous solution.
  4. A change that alters a substance without changing its composition.
  5. One element trades places with another element.
  6. One reactant forms several products.
  7. The pressure of a given mass of gas is directly proportional with the Kelvin temperature when volume is held constant.
  8. The species produced when a base accepts a hydrogen ion from an acid.
Down
  1. Two elements trade places with one another.
  2. The process of determining the concentration of an unknown acid or base.
  3. The species that results when an acid donates a hydrogen ion to a base.
  4. The rate of effusion for a gas is inversely proportional to the square root of its molar mass.
  5. A compound/element that combines with oxygen to form oxide and sometimes water.
  6. The volume of a gas is inversely proportional to the pressure if temperature is held constant.
  7. A PH level between 7 and 14.
  8. Several reactants make one product.
  9. A PH level between 0 and 7.
  10. The volume of a gas at constant pressure is directly proportional to the Kelvin temperature.
  11. A PH level of 7.
  12. A substance that increases the concentration of hydrogen ions in an aqueous solution.

20 Clues: A PH level of 7. • A PH level between 0 and 7. • A PH level between 7 and 14. • Several reactants make one product. • One reactant forms several products. • Two elements trade places with one another. • One element trades places with another element. • A change that alters a substance without changing its composition. • ...

Chemistry Bonus 2026-04-28

Chemistry Bonus crossword puzzle
Across
  1. horizontal rows on the periodic table
  2. movement of gas molecules from high to low concentration
  3. boiling point of water at sea level
  4. pressure exerted on surface by weight of gases in Earth atmosphere
  5. device measuring heat absorption or release in chemical reaction
  6. minimum amount of energy applied to initiate chemical reaction
  7. process to figure out the concentration of an unknown substance
  8. speeds up chemical reaction without going under one itself
  9. total amount of energy
  10. has one valence electron
Down
  1. the point when substance exist at a solid, liquid, and a gas
  2. One element swaps places with another element
  3. solid changing directly into a gas
  4. this reaction ends in a salt and water
  5. Evidence a chemical reaction has occurred
  6. what law is an example of a can exploding from heat?
  7. this law states that volume of gas is inversely proportional to pressure
  8. 273.15K is the standard in Gas Laws
  9. double displacement reactions produce ionic compounds that are…
  10. All gases have the same … energy

20 Clues: total amount of energy • has one valence electron • All gases have the same … energy • solid changing directly into a gas • boiling point of water at sea level • 273.15K is the standard in Gas Laws • horizontal rows on the periodic table • this reaction ends in a salt and water • Evidence a chemical reaction has occurred • One element swaps places with another element • ...

Chemistry Bonus 2026-04-28

Chemistry Bonus crossword puzzle
Across
  1. A measure of how acidic or basic a substance or solution is
  2. A horizontal row of the periodic table
  3. A process that leads to the chemical transformation of one set of chemical substances to another
  4. A combination of two or more substances
  5. A cylindrical container with a flat bottom
  6. A unit of concentration defined as the number of moles of solute divided by the total liters of solution
  7. Unit for the amount of a substance, representing a specific quantity of particles (atoms, molecules, or ions)
  8. The study of the relationships between the amounts of reactants used and products formed in a chemical reaction
  9. A particle consisting of a charge of negative electricity
  10. The smallest particle of a substance that has all of the physical and chemical properties of that substance
Down
  1. The species formed from chemical reactions
  2. A chemical process where an acid and a base react to form water and a salt
  3. A negatively charged ion formed when a non-metal atom gains one or more electrons, giving it more electrons than protons
  4. A substance that donates hydrogen ions in a solution, typically having a pH of less than 7
  5. The slow addition of one solution of a known concentration to an unknown concentration to discover what it is
  6. A substance that accepts hydrogen ions or donates hydroxide ions, typically having a pH greater than 7
  7. A chemical reaction that releases energy into its surroundings, typically in the form of heat or light, resulting in an increase in surrounding temperature
  8. Anything that occupies space and has mass
  9. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  10. A positively charged ion formed when an atom or molecule loses one or more electrons

20 Clues: A horizontal row of the periodic table • A combination of two or more substances • Anything that occupies space and has mass • The species formed from chemical reactions • A cylindrical container with a flat bottom • A particle consisting of a charge of negative electricity • A measure of how acidic or basic a substance or solution is • ...

Estar and Vocab Review 2021-11-04

Estar and Vocab Review crossword puzzle
Across
  1. El semester (write the english)
  2. La calculadora
  3. garbage can
  4. eraser
  5. la quimica
  6. La biblioteca
Down
  1. El estadio
  2. La tiza
  3. La liberia
  4. music
  5. journalism
  6. teacher (m)
  7. La casa
  8. homework
  9. La silla

15 Clues: music • eraser • La tiza • La casa • homework • La silla • El estadio • La liberia • journalism • la quimica • garbage can • teacher (m) • La biblioteca • La calculadora • El semester (write the english)

Estar and Vocab Review 2021-11-04

Estar and Vocab Review crossword puzzle
Across
  1. homework
  2. El semester (write the english)
  3. La silla
  4. music
  5. garbage can
  6. eraser
  7. La liberia
Down
  1. La calculadora
  2. journalism
  3. El estadio
  4. La tiza
  5. La biblioteca
  6. la quimica
  7. teacher (m)
  8. La casa

15 Clues: music • eraser • La tiza • La casa • homework • La silla • journalism • El estadio • la quimica • La liberia • garbage can • teacher (m) • La biblioteca • La calculadora • El semester (write the english)

E8 U3 edukacja gr 2 2024-01-21

E8 U3 edukacja gr 2 crossword puzzle
Across
  1. kolega z klasy
  2. chemia
  3. zanotować
  4. biblioteka
  5. odpoczynek, czas wolny
  6. zakreślacz
  7. trener
Down
  1. odstawać, zostawać w tyle
  2. zadanie (nie homework)
  3. dogonić, nadrobić
  4. osiągnąć sukces
  5. geografia
  6. zszywacz
  7. teczka
  8. wypracowanie

15 Clues: chemia • teczka • trener • zszywacz • geografia • zanotować • biblioteka • zakreślacz • wypracowanie • kolega z klasy • osiągnąć sukces • dogonić, nadrobić • zadanie (nie homework) • odpoczynek, czas wolny • odstawać, zostawać w tyle

Vocabulary test 2024-12-03

Vocabulary test crossword puzzle
Across
  1. penser
  2. parce que
  3. de plus
  4. dire
  5. réponse/répondre
  6. avant
  7. théâtre
  8. entre
Down
  1. après
  2. chimie
  3. espagnol
  4. une fois par semaine
  5. heure de libre
  6. quatre fois par semaine
  7. deux fois par semaine

15 Clues: dire • après • avant • entre • chimie • penser • de plus • théâtre • espagnol • parce que • heure de libre • réponse/répondre • une fois par semaine • deux fois par semaine • quatre fois par semaine

Syllabus Crossword Puzzle 2025-08-19

Syllabus Crossword Puzzle crossword puzzle
Across
  1. Classroom expectation: work toward strong explanations and solutions.
  2. Classroom expectation: treat people, space, and learning with care.
  3. What size index card can be used as a cheat sheet for exams?
  4. What must you do if your name is put on the board?
  5. What type of grading is done in this class?
  6. Eating and drinking is ___ permitted during class time (except water).
  7. Where can you find assignments, announcements, and class codes?
  8. Classroom expectation: value everyone’s ideas and participation.
  9. What can you do to increase assessment scores?
  10. What is your chemistry teacher’s name?
Down
  1. If your most recent score is lower than a past score, which score counts?
  2. You are considered tardy when you are not in your ___ after the bell rings.
  3. What subject are we learning about in this class?
  4. How can you email Mr. Ng?
  5. Chemistry is the study of what?
  6. Another time of day to meet with Mr. Ng by appointment.
  7. What percentage of your grade comes from completion work?
  8. Classroom expectation: help and encourage each other’s learning.
  9. What must students follow for lab safety?
  10. One time of day you can make an appointment with Mr. Ng.
  11. Late work is not ____?
  12. Where should your phone go at the start of class?
  13. What is the classroom number?
  14. Exams, quizzes, and projects are part of this that make up 70% of your grade.
  15. Assessments missed because of an excused absence must be completed within __ days of returning to class.
  16. What must you do before using the hall pass?

26 Clues: Late work is not ____? • How can you email Mr. Ng? • What is the classroom number? • Chemistry is the study of what? • What is your chemistry teacher’s name? • What must students follow for lab safety? • What type of grading is done in this class? • What must you do before using the hall pass? • What can you do to increase assessment scores? • ...

Laboratory Instruments 2023-07-05

Laboratory Instruments crossword puzzle
Across
  1. To stir chemical solution
  2. Branch of science
  3. Supports apparatus during experiments.
  4. For heating
Down
  1. To filter liquids
  2. Used to pick up hot apparatus
  3. Father of modern chemistry
  4. Used to carry test in small quantities

8 Clues: For heating • To filter liquids • Branch of science • To stir chemical solution • Father of modern chemistry • Used to pick up hot apparatus • Used to carry test in small quantities • Supports apparatus during experiments.

Vocabulary Unit 12 2021-03-22

Vocabulary Unit 12 crossword puzzle
Across
  1. meeting
  2. French
  3. notebook
  4. sheet of paper
  5. library
  6. auditorium
  7. stamp
  8. Japanese
  9. office
  10. cafeteria
  11. grade
  12. calculator
  13. chemistry
  14. band
  15. biology
  16. glue
  17. gym
  18. coach
Down
  1. computer science
  2. homework
  3. glue
  4. librarian
  5. envelope
  6. P.E
  7. geography
  8. detention
  9. German
  10. ruler
  11. stapler
  12. choir
  13. sharpener
  14. principal

32 Clues: P.E • gym • glue • band • glue • stamp • ruler • grade • choir • coach • French • German • office • meeting • library • stapler • biology • homework • notebook • envelope • Japanese • librarian • geography • detention • cafeteria • chemistry • sharpener • principal • auditorium • calculator • sheet of paper • computer science

Spanish learning chapter 2 2021-10-22

Spanish learning chapter 2 crossword puzzle
Across
  1. el libro
  2. la mesa
  3. la silla
  4. la tiza
  5. la biblioteca
  6. la puerta
  7. la administración de empresas
  8. el/la_compañero/a_de_clase
  9. la química
Down
  1. la mochila
  2. la especialización
  3. la pluma
  4. la economía
  5. el papel
  6. la pizarra
  7. la física
  8. la papelera
  9. el trimestre
  10. la ventana
  11. el reloj

20 Clues: la mesa • la tiza • el libro • la pluma • el papel • la silla • el reloj • la física • la puerta • la mochila • la pizarra • la ventana • la química • la economía • la papelera • el trimestre • la biblioteca • la especialización • el/la_compañero/a_de_clase • la administración de empresas

L'horaire 2013-02-18

L'horaire crossword puzzle
Across
  1. homework
  2. Gym
  3. now
  4. break
  5. Music
  6. Chemistry
  7. week
  8. noon
  9. Monday
  10. exam
  11. Geography
  12. dismissal
  13. tomorrow
  14. 1am
Down
  1. Physics
  2. Math
  3. Biology
  4. weekend
  5. evening
  6. midnight
  7. Sunday
  8. Saturday
  9. Spanish
  10. Art
  11. ComputerTech
  12. Wednesday
  13. Tuesday
  14. German
  15. morning
  16. Thursday
  17. History
  18. Friday

32 Clues: Gym • now • Art • 1am • Math • week • noon • exam • break • Music • Sunday • German • Monday • Friday • Physics • Biology • weekend • evening • Spanish • Tuesday • morning • History • homework • midnight • Saturday • Thursday • tomorrow • Wednesday • Chemistry • Geography • dismissal • ComputerTech

En la Escuela B! 2017-03-20

En la Escuela B! crossword puzzle
Across
  1. door
  2. schedule
  3. lesson/lecture
  4. history
  5. test
  6. math
  7. Spanish
  8. essay
  9. science
  10. physics
  11. religion
  12. locker
  13. biology
  14. lesson
  15. art
  16. gymnasium
Down
  1. essay/report
  2. school subject
  3. music
  4. quiz
  5. grade (year)
  6. chemistry
  7. physical education/gym
  8. computers/computer science
  9. semester
  10. hallway
  11. grades (scores)
  12. English
  13. homework

29 Clues: art • door • quiz • test • math • music • essay • locker • lesson • history • Spanish • hallway • science • physics • English • biology • schedule • semester • religion • homework • chemistry • gymnasium • essay/report • grade (year) • lesson/lecture • school subject • grades (scores) • physical education/gym • computers/computer science

L'Ecole et Les Cours 2024-02-15

L'Ecole et Les Cours crossword puzzle
Across
  1. Band
  2. Latin class
  3. physics class
  4. Business class
  5. History
  6. fine arts, art class
  7. Computer Science
  8. biology
  9. high school
  10. algebra
  11. drawing class
  12. Math class
  13. Spanish class
  14. Geometry
  15. political science, government
Down
  1. PE
  2. chorus
  3. Health
  4. Study Hall
  5. Geography
  6. Italian
  7. chemistry
  8. middle school
  9. university
  10. physical science

25 Clues: PE • Band • chorus • Health • Italian • History • biology • algebra • Geometry • Geography • chemistry • Study Hall • university • Math class • Latin class • high school • physics class • middle school • drawing class • Spanish class • Business class • Computer Science • physical science • fine arts, art class • political science, government

Spanish I 2024-01-23

Spanish I crossword puzzle
Across
  1. Music
  2. Biology
  3. Study
  4. Teach
  5. Green
  6. Spanish
  7. Algebra
  8. look for
  9. During
  10. Blue
  11. Technology
  12. be
  13. red
  14. Choir
  15. Studio
  16. White
Down
  1. Chemistry
  2. History
  3. Speak
  4. French
  5. Buy
  6. Physics
  7. Use
  8. Listen
  9. pay
  10. Math
  11. Art
  12. Band
  13. book
  14. Black
  15. Geometry

31 Clues: be • Buy • Use • pay • Art • red • Math • Band • Blue • book • Speak • Music • Study • Teach • Green • Black • Choir • White • French • Listen • During • Studio • History • Biology • Physics • Spanish • Algebra • look for • Geometry • Chemistry • Technology

En la Clase 2023-09-21

En la Clase crossword puzzle
Across
  1. mathematics
  2. Chemistry
  3. Economics
  4. Psychology
  5. Why?
  6. To have dinner
  7. To arrive
  8. To the left of
  9. Which ones?
  10. because
  11. Physics
  12. To have breakfast
  13. Where to?
  14. Computer science
Down
  1. business administration
  2. Bookstore
  3. library
  4. English
  5. To the right of
  6. wastebasket
  7. Which?
  8. biology
  9. history
  10. Next to;besides

24 Clues: Why? • Which? • library • English • biology • history • because • Physics • Bookstore • Chemistry • Economics • To arrive • Where to? • Psychology • mathematics • wastebasket • Which ones? • To have dinner • To the left of • To the right of • Next to;besides • Computer science • To have breakfast • business administration

En la Clase 2023-09-21

En la Clase crossword puzzle
Across
  1. mathematics
  2. Chemistry
  3. Economics
  4. Psychology
  5. Why?
  6. To have dinner
  7. To arrive
  8. To the left of
  9. Which ones?
  10. because
  11. Physics
  12. To have breakfast
  13. Where to?
  14. Computer science
Down
  1. business administration
  2. Bookstore
  3. library
  4. English
  5. To the right of
  6. wastebasket
  7. Which?
  8. biology
  9. history
  10. Next to;besides

24 Clues: Why? • Which? • library • English • biology • history • because • Physics • Bookstore • Chemistry • Economics • To arrive • Where to? • Psychology • mathematics • wastebasket • Which ones? • To have dinner • To the left of • To the right of • Next to;besides • Computer science • To have breakfast • business administration

En la Clase 2023-09-21

En la Clase crossword puzzle
Across
  1. Chemistry
  2. history
  3. business administration
  4. Physics
  5. To the left of
  6. Psychology
  7. Bookstore
  8. biology
  9. To have breakfast
  10. English
  11. Where to?
  12. because
Down
  1. Which?
  2. Economics
  3. Computer science
  4. mathematics
  5. To arrive
  6. Which ones?
  7. library
  8. Why?
  9. wastebasket
  10. Next to;besides
  11. To the right of
  12. To have dinner

24 Clues: Why? • Which? • history • library • Physics • biology • English • because • Economics • Chemistry • To arrive • Bookstore • Where to? • Psychology • mathematics • Which ones? • wastebasket • To the left of • To have dinner • Next to;besides • To the right of • Computer science • To have breakfast • business administration

Chapter 2 2023-09-21

Chapter 2 crossword puzzle
Across
  1. Which ones?
  2. computer science
  3. which
  4. mathematics
  5. to have dinner
  6. history
  7. Economics
  8. to arrive
  9. Physchology
  10. library
  11. to have breakfast
  12. to the right of
  13. Why
  14. Business administration
Down
  1. to the left of
  2. Chemistry
  3. Biology
  4. English
  5. wastebasket
  6. because
  7. next to; besides
  8. Bookstore
  9. Where to?
  10. physics

24 Clues: Why • which • Biology • history • English • because • library • physics • Chemistry • Economics • to arrive • Bookstore • Where to? • Which ones? • mathematics • wastebasket • Physchology • to the left of • to have dinner • to the right of • computer science • next to; besides • to have breakfast • Business administration

French 1 Midterm 2024-11-26

French 1 Midterm crossword puzzle
Across
  1. your (plural or formal)
  2. apple
  3. cat
  4. juice
  5. neighborhood
  6. aunt
  7. ville
  8. calculatrice
  9. ascenseur
  10. daughter
  11. sixty
  12. Sunday
  13. pourquoi
  14. garden
  15. beau-pere
Down
  1. birthday
  2. back
  3. comment
  4. house
  5. chemistry
  6. glasses
  7. professeur
  8. pen
  9. copain
  10. elle
  11. fromage
  12. trees
  13. dog
  14. janvier
  15. to buy
  16. car

31 Clues: cat • pen • dog • car • back • aunt • elle • apple • house • juice • ville • trees • sixty • copain • to buy • Sunday • garden • comment • glasses • fromage • janvier • birthday • daughter • pourquoi • chemistry • ascenseur • beau-pere • professeur • neighborhood • calculatrice • your (plural or formal)

CHEM IS TRY 2024-07-11

CHEM IS TRY crossword puzzle
Across
  1. ธาตุสองตัวจะมาเป็นสารประกอบ ต้องมีสิ่งนี้
  2. ใช้หยดสารละลาย
  3. จำนวนอนุภาคมูลฐานในอะตอมของ Ne
  4. มีทั้งเป็นบวก และ เป็นลบ
  5. ชนิดหนึ่งของปฏิกิริยา ร้อนนะจะบอกให้
  6. มีเลขอะตอม 17
  7. เป็นภาษากรีก แปลว่า สิ่งที่เล็กที่สุด
  8. อยู่ในอะตอมเป็นประจุลบ
  9. เอาน้ำตาลมาละลายน้ำ เราเรียกว่า
  10. ตอนจะกินต้องระวัง ไม่งั้นไตพัง
  11. เครื่องแก้วชนิดหนึ่ง ใช้บรรจุ ถ่ายเท สารเคมี
Down
  1. pH มากกว่า 7
  2. จะเกิดฝนได้ ต้องเกิดสิ่งนี้ก่อน
  3. รวมทุกธาตุในโลกไว้ที่นี่เลย
  4. แก๊สที่พบมากที่สุดในอากาศรอบตัวเรา
  5. เหล็ก มาเจอกับน้ำและอากาศ
  6. พบในชั้นบรรยากาศ
  7. จำนวนนิวตรอนของ คาร์บอน ที่มีเลขมวล 13
  8. ใช้ตรวจสอบความเป็นกรด-เบส
  9. ลองเดาดูสิ
  10. ยูเรก้าาาาาา
  11. ธาตุที่ใช้ทำสายไฟ

22 Clues: ลองเดาดูสิ • pH มากกว่า 7 • ยูเรก้าาาาาา • มีเลขอะตอม 17 • ใช้หยดสารละลาย • พบในชั้นบรรยากาศ • ธาตุที่ใช้ทำสายไฟ • อยู่ในอะตอมเป็นประจุลบ • มีทั้งเป็นบวก และ เป็นลบ • เหล็ก มาเจอกับน้ำและอากาศ • ใช้ตรวจสอบความเป็นกรด-เบส • รวมทุกธาตุในโลกไว้ที่นี่เลย • จำนวนอนุภาคมูลฐานในอะตอมของ Ne • ตอนจะกินต้องระวัง ไม่งั้นไตพัง • จะเกิดฝนได้ ต้องเกิดสิ่งนี้ก่อน • เอาน้ำตาลมาละลายน้ำ เราเรียกว่า • ...

School Subjects and Schedule 2024-11-11

School Subjects and Schedule crossword puzzle
Across
  1. Spanish
  2. computer science
  3. physical education
  4. fine arts
  5. study hall
  6. history
  7. geometry
  8. assembly
  9. language
  10. social studies
  11. geography
  12. the school subject
  13. recess
  14. band
Down
  1. mathematics
  2. science
  3. civics
  4. technology
  5. English
  6. lunch time
  7. class
  8. literature
  9. algebra
  10. biology
  11. chemistry
  12. school
  13. choir
  14. art
  15. orchestra

29 Clues: art • band • class • choir • civics • school • recess • science • Spanish • English • algebra • biology • history • geometry • assembly • language • fine arts • chemistry • orchestra • geography • technology • lunch time • literature • study hall • mathematics • social studies • computer science • physical education • the school subject

Lab Week 2026 2026-04-14

Lab Week 2026 crossword puzzle
Across
  1. type
  2. chemistry monster
  3. bacteria jelly
  4. zero contaminant device
  5. tag
  6. five main types
  7. Epic platform for lab
  8. run
  9. exam
  10. head covering
  11. Hollow tube
  12. proficiency
Down
  1. family line
  2. chiller
  3. special collection
  4. path
  5. opposite of your out (pun)
  6. dire
  7. microbe
  8. blood screen
  9. the best department
  10. main player in scabbing

22 Clues: tag • run • type • path • dire • exam • chiller • microbe • family line • Hollow tube • proficiency • blood screen • head covering • bacteria jelly • five main types • chemistry monster • special collection • the best department • Epic platform for lab • zero contaminant device • main player in scabbing • opposite of your out (pun)

Things Dad Loves 2021-04-19

Things Dad Loves crossword puzzle
Across
  1. Rod and reel sport
  2. Spouse
  3. Woodwork
  4. Rink game
  5. Physics or chemistry
  6. Chess and checkers
  7. Jogging gear
  8. Workshop items
  9. Mowing site
Down
  1. Kids
  2. Pals
  3. Plays on words
  4. Household animals
  5. Summer game
  6. Vegetable plot
  7. Coupes and convertibles
  8. Fall weekend game
  9. Afternoon snooze

18 Clues: Kids • Pals • Spouse • Woodwork • Rink game • Summer game • Mowing site • Jogging gear • Plays on words • Vegetable plot • Workshop items • Afternoon snooze • Household animals • Fall weekend game • Rod and reel sport • Chess and checkers • Physics or chemistry • Coupes and convertibles

Chemistry Crossword 2012-02-19

Chemistry Crossword crossword puzzle
Across
  1. A reaction where energy is released as head (reactants have more energy than products).
  2. For the SnS compound the classical method of naming would be Stannous sulfide while the ____ method would be Tin (II) Sulfide.
  3. This type of radiation is high energy electromagnetic radiation that often accompanies alpha or beta particle emission. It has a very short wavelength and is therefore the most dangerous type of radioactive emission.
  4. An ion that contains more than one atom.
  5. This word is defined as the amount of solute that can dissolve in a solvent at a given temperature.
  6. Atoms of the same element with different atomic masses are called.
  7. The measure of an atom’s electron attracting ability for bonding pair.
  8. The lightest noble gas.
  9. Heaviest (highest atomic mass) synthetic element.
  10. JJ____ proposed the raisin bun in a plum pudding theory of the atom (with electrons embedded in a positively charged sphere)
  11. ___Principle said that orbitals are always filled from the lowest to the highest energy level
Down
  1. London dispersion forces occur because the motion of the electrons in an atom causes a fluctuating charge distribution that varies from moment to moment. This leads to an induced ____.
  2. ____ ‘s number is 6.02 * 10^23
  3. These forces must be overcome for phase changes.
  4. A type of bonding formed through electrostatic attraction between an anion and a cation
  5. Common name of Calcium Oxide
  6. A reaction where energy is drawn out of the environment (Products have more energy than reactants).
  7. A section of chemistry dealing with relative quantities of both reactants and products in chemical reactions
  8. Heaviest (highest atomic mass) naturally occurring element.
  9. The principal quantum number(n)represents the number of ____s.
  10. The ______ formula of a compound is the smallest whole number ratio of the elements in the compound.
  11. Both a furry animal and a unit of measurement in chemistry
  12. Common name of Potassium Carbonate
  13. The name of NO3

24 Clues: The name of NO3 • The lightest noble gas. • Common name of Calcium Oxide • ____ ‘s number is 6.02 * 10^23 • Common name of Potassium Carbonate • An ion that contains more than one atom. • These forces must be overcome for phase changes. • Heaviest (highest atomic mass) synthetic element. • Both a furry animal and a unit of measurement in chemistry • ...

Chemistry CrossWord 2012-10-31

Chemistry CrossWord crossword puzzle
Across
  1. same numbers of protons(atomic number) but different numbers of neutrons
  2. a mixture in which the individual substances are visible to the naked eye
  3. electron configuration: 1s2 2s2 2p1
  4. electrons fill orbitals starting at the lowest available energy state before filing higher states
  5. Group 1 of the Periodic table
  6. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  7. elements 90-103
  8. particle that has no charge and is located in the nucleus
  9. characteristic of a substance that can be observed without changing the substance into another substance
  10. atomic symbol of SodiumChloride
  11. horizontal row of elements in the periodic table
  12. Group that has 7 valence electron
Down
  1. positive charged particle located in the nucleus of an atom
  2. chemical bond formed when electrons are shared
  3. use to hold,mix,and heat liquids
  4. used for protecting your eyes during an experiment
  5. smallest particle of an element
  6. the ability of an atom to attract electrons
  7. element with 8 protons, 8 electrons, and 8 neutrons
  8. negatively charged particle in an atom
  9. chemical bond that involves electrons to be gained or lost
  10. electron configuration: 1s2 2s2 2p6 3s2 3p4
  11. Elements 58-71
  12. English scientist that stated All matter is made of atoms and Atoms are indivisible and indestructible.
  13. Anything that has mass and occupies space
  14. A change in matter which does not alter the chemical properties of the matter
  15. Group that has 8 valence electron
  16. covalent bond in which electrons are shared unequally
  17. Atomic symbol is Ca
  18. pair of electron that does not bond

30 Clues: Elements 58-71 • elements 90-103 • Atomic symbol is Ca • Group 1 of the Periodic table • smallest particle of an element • atomic symbol of SodiumChloride • use to hold,mix,and heat liquids • Group that has 8 valence electron • Group that has 7 valence electron • electron configuration: 1s2 2s2 2p1 • pair of electron that does not bond • negatively charged particle in an atom • ...

Chemistry Vocabulary 2012-11-29

Chemistry Vocabulary crossword puzzle
Across
  1. mass/ The mass in grams of one mole (or 6.02 x 1023 molecules) of any chemical compound.
  2. mass/ the sum of atomic weights of the atoms in a molecule
  3. length/ the average distance between nuclei of two bonded atoms in a molecule
  4. composition/ Usually means percent composition by mass. Could also be percent composition by mole, or by weight.
  5. formula/ a chemical formula based on analysis and molecular weight.
  6. bond/ a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion.
  7. a method of describing the delocalized electrons in some molecules where the bonding cannot be explicitly expressed by a single Lewis structure
  8. bond/ A chemical bond in which three pairs of electrons are shared between two atoms.
  9. covalent bond/ a bond in which one nucleus of an atom donates both electrons to form a bond with another atom
  10. hybridization/ mixing atomic orbitals to form new hybrid orbitals suitable for the qualitative description of atomic bonding properties.
  11. rule/ atoms that tend to combine in such a way that they each have eight electrons in their valence shells
Down
  1. bond/ A real fancy way of saying "single bond"
  2. number/ The number of atoms or molecules in one mole of a substance
  3. The mole is a unit of measurement for the amount of substance or chemical amount.
  4. bond/ A chemical bond in which two pairs of electrons are shared between two atoms.
  5. ion/ An ionic species containing more than one element.
  6. bond/ a chemical bond that involves sharing a pair of electrons between atoms in a molecule.
  7. promotion/ A statement describing the populations of electronic energy sublevels of an atom
  8. bond/ a bond formed from the overlap of two parallel p-orbitals.
  9. covalent bonds/ A covalent bond in which the electrons are not shared equally, giving the bond some ionic character

20 Clues: bond/ A real fancy way of saying "single bond" • ion/ An ionic species containing more than one element. • mass/ the sum of atomic weights of the atoms in a molecule • bond/ a bond formed from the overlap of two parallel p-orbitals. • formula/ a chemical formula based on analysis and molecular weight. • ...

Organic Chemistry 2012-11-29

Organic Chemistry crossword puzzle
Across
  1. compound with two carbonyl carbons connected by an oxygen
  2. The position on an aromatic of the second substituent that is OPPOSITE of the first
  3. the type of bond that makes a compound an ALKYNE
  4. different name for ester hydrolysis
  5. alkane with 3 carbons
  6. type of reagents used in Grignard and Gillman's reactions
  7. type of aromatic substituent that blocks Friedel-Crafts reaction
  8. type of P-orbital required to count as an aromatic
  9. reaction which forms new Carbon Carbon double bond on a carbonyl in place of oxygen
  10. reaction that turns two identical aldehydes into one larger Beta Hydroxy Aldehyde
  11. the type of bond that makes a compound an ALKENE
Down
  1. compound with a hydrogen and double-bonded oxygen on a terminal carbon.
  2. forms new Carbon Carbon single bond, turns carbonyl into alcohol
  3. a carbon in a compound with 4 different groups attached to it
  4. A 6 membered aromatic compound
  5. a reaction mechanism for aromatics
  6. reaction that converts a dione into a 5 or 6 membered ring
  7. A geometric requirement for aromatics
  8. a carbon with a positive charge
  9. a 6 membered carbon ring
  10. The position on an aromatic of the second substituent that is ADJACENT to the first

21 Clues: alkane with 3 carbons • a 6 membered carbon ring • A 6 membered aromatic compound • a carbon with a positive charge • a reaction mechanism for aromatics • different name for ester hydrolysis • A geometric requirement for aromatics • the type of bond that makes a compound an ALKYNE • the type of bond that makes a compound an ALKENE • ...

Chemistry Crossword 2012-12-01

Chemistry Crossword crossword puzzle
Across
  1. The SI unit of frequency equal to one cycle per second.
  2. The arrangement of electrons around the nucleus of an atom in its ground state.
  3. A dumbbell region around the nucleus where and electron may be found.
  4. The modern description, primarily mathematical, of the behavior of electrons in atoms.
  5. The lowest energy level occupied in the periodic table.
  6. Displayed an atom with the majority of the mass in the nucleus.
  7. The pattern of frequencies obtained by passing light emitted by the atoms of an element in the gaseous state through a prism.
  8. Describes the wavelength of a moving particle.
  9. electrons are ejected by certain metals where they absorb light with a frequency above a threshold frequency.
  10. Electrons enter orbitals of lowest energy first.
  11. no more than two electrons can occupy an atomic orbital.
Down
  1. A number used to calculated the radiant energy absorbed or emitted by a body based on the frequency of radiation.
  2. Displayed the atom as a ball of positive charge with a few electrons.
  3. A spherical region around the nucleus where an electron may be found. The inner most sphere is one of these.
  4. States that it is impossible to know both the velocity and the position of a particle at the same time.
  5. Proposition that electrons travel in definite orbits around the nucleus.
  6. When electrons occupy orbitals of equal energy.
  7. A region around the nucleus of an atom where an electron is likely to be moving.
  8. a region in space around the nucleus of an atom where there is a high probability of finding an electron.
  9. A nucleus that has a higher energy level than a ground level.
  10. The amount of energy needed to move an electron from its present energy level to the next higher one.
  11. The number of wave cycles that pass a given point per unit of time.
  12. The distance between two adjacent crests of a wave.
  13. The height of a wave from the origin to the crest.
  14. A quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle.

25 Clues: Describes the wavelength of a moving particle. • When electrons occupy orbitals of equal energy. • Electrons enter orbitals of lowest energy first. • The height of a wave from the origin to the crest. • The distance between two adjacent crests of a wave. • The SI unit of frequency equal to one cycle per second. • ...

Chemistry Crossword 2012-12-01

Chemistry Crossword crossword puzzle
Across
  1. Displayed an atom with the majority of the mass in the nucleus.
  2. A nucleus that has a higher energy level than a ground level.
  3. A quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle.
  4. The amount of energy needed to move an electron from its present energy level to the next higher one.
  5. The pattern of frequencies obtained by passing light emitted by the atoms of an element in the gaseous state through a prism.
  6. Describes the wavelength of a moving particle.
  7. The arrangement of electrons around the nucleus of an atom in its ground state.
  8. no more than two electrons can occupy an atomic orbital.
  9. A dumbbell region around the nucleus where and electron may be found.
  10. A region around the nucleus of an atom where an electron is likely to be moving.
Down
  1. When electrons occupy orbitals of equal energy.
  2. Proposition that electrons travel in definite orbits around the nucleus.
  3. The distance between two adjacent crests of a wave.
  4. States that it is impossible to know both the velocity and the position of a particle at the same time.
  5. The SI unit of frequency equal to one cycle per second.
  6. A number used to calculated the radiant energy absorbed or emitted by a body based on the frequency of radiation.
  7. electrons are ejected by certain metals where they absorb light with a frequency above a threshold frequency.
  8. The number of wave cycles that pass a given point per unit of time.
  9. a region in space around the nucleus of an atom where there is a high probability of finding an electron.
  10. Displayed the atom as a ball of positive charge with a few electrons.
  11. The modern description, primarily mathematical, of the behavior of electrons in atoms.
  12. A spherical region around the nucleus where an electron may be found. The inner most sphere is one of these.
  13. Electrons enter orbitals of lowest energy first.
  14. The lowest energy level occupied in the periodic table.
  15. The height of a wave from the origin to the crest.

25 Clues: Describes the wavelength of a moving particle. • When electrons occupy orbitals of equal energy. • Electrons enter orbitals of lowest energy first. • The height of a wave from the origin to the crest. • The distance between two adjacent crests of a wave. • The SI unit of frequency equal to one cycle per second. • ...

Chemistry Crossword 2012-09-08

Chemistry Crossword crossword puzzle
Across
  1. Occurring without definite aim
  2. Change from solid to liquid without passing through the liquid state
  3. Smallest particle of an element
  4. Uses electricity to break down compounds into simpler substances
  5. Something that binds , holds something together
  6. A reactions which results in the increase in surrounding temperature
  7. Primary charge carriers in electric current
  8. Neat and regular sequence
  9. Pressed together, dense, compact
Down
  1. Substance that cannot be broken down any further
  2. Magnetic force between 2 oppositely charged bodies causing them to draw together
  3. Substance that undergoes a chemical change in a given reaction
  4. A reaction which results in the decrease in surrounding temperature
  5. A proton or a neutron
  6. Can be returned to original state
  7. An electrically charged atom formed by the loss or gain of one or more electrons
  8. Process which causes rusting & spoiling of fresh food
  9. Change from gas to solid without passing through the liquid state
  10. 2 or more elements involved
  11. 2 or more atoms chemically combined together (a group of atoms)

20 Clues: A proton or a neutron • Neat and regular sequence • 2 or more elements involved • Occurring without definite aim • Smallest particle of an element • Pressed together, dense, compact • Can be returned to original state • Primary charge carriers in electric current • Something that binds , holds something together • Substance that cannot be broken down any further • ...

Chemistry Puzzle 2013-04-30

Chemistry Puzzle crossword puzzle
Across
  1. The densest liquid element
  2. A common name for Calcium Carbonate
  3. The colour with the longest wavelength
  4. The only two letters to not officially appear on the periodic table (Alphabetically)
  5. An acid that ionizes slightly in a solution (2 words)
  6. The maximum amount of solute that can be dissolved into a solvent at a given temperature
  7. The most common isotope of this element is 238
  8. This type of alcohol is commonly consumed
  9. The smallest length, theoretically (2 words)
  10. The nuclear reaction that takes place in the sun’s core
  11. This element is the most conductive metal, but comes at a price
  12. Many computer chips are made from this element
Down
  1. A base that produces few hydroxide ions when dissolved in water (2 words)
  2. This type of electromagnetic radiation is used for telecommunications around the world
  3. This subatomic particle is released during beta decay
  4. This type of spin is an angular momentum carried by electrons (2 words)
  5. This metal is used in pipes and wires
  6. All intermolecular bonds are caused by ___ ___ ___ forces (3 words)
  7. The lowest theoretical temperature (2 words)
  8. The nucleus of this element is released during alpha decay
  9. A solid solution of two or more metals
  10. The final part of the standard model to be discovered (2 words)
  11. This element is added to table salt for its health benefits
  12. The term used to describe a complete valence shell

24 Clues: The densest liquid element • A common name for Calcium Carbonate • This metal is used in pipes and wires • The colour with the longest wavelength • A solid solution of two or more metals • This type of alcohol is commonly consumed • The lowest theoretical temperature (2 words) • The smallest length, theoretically (2 words) • The most common isotope of this element is 238 • ...

Cell Chemistry 2013-04-12

Cell Chemistry crossword puzzle
Across
  1. the monomer of a protein
  2. tiny molecular strands which code for all life on Earth
  3. a reaction involving the chemical basis of several objects
  4. adenosine triphosphate
  5. the acidic level of a substance
  6. a sweet, crystalline substance
  7. a substance that provides nourishment
  8. the act of conducting photosynthesis
  9. a type of diffusion where molecules move from areas of lower concentration to higher concentration; require energy
  10. self replication
  11. a gaseous element which makes up 1/5 of the volume of the atmosphere, and is necessary for all life on Earth
  12. the diffusion of water
  13. one of the various types of energy
  14. an exertion of power
  15. a state of balance due to the equal action of opposing forces
Down
  1. to suck up or fill
  2. any acids that bond to a glycerol to form a fat molecule
  3. the quality of acid of a substance
  4. having the form of a sphere
  5. any of 4 of the nitrogenous bases of DNA, or RNA (they differ in both)
  6. energy of a chemical compound which must undergo a change
  7. a combination of two or more atoms
  8. the process of burning
  9. to acquire something
  10. a type of diffusion where no energy is required
  11. a plant process where light+CO2+water=O2+glucose
  12. a molecular sugar: C6 H12 O6
  13. the green coloring matter of leaves and plants
  14. a chain of subsequent energy reactions
  15. energy constituted by light
  16. this builds and repairs cells and cell tissue
  17. to make a solution by mixing with liquid
  18. proteins which break down molecules and molecular bonds
  19. a limit

34 Clues: a limit • self replication • to suck up or fill • to acquire something • an exertion of power • the process of burning • adenosine triphosphate • the diffusion of water • the monomer of a protein • having the form of a sphere • energy constituted by light • a molecular sugar: C6 H12 O6 • a sweet, crystalline substance • the acidic level of a substance • the quality of acid of a substance • ...

Cell Chemistry 2013-04-16

Cell Chemistry crossword puzzle
Across
  1. Diffusion of a solvent (usually water molecules) through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.
  2. the act or process of burning.
  3. A microscopic organism, esp. a bacterium, virus, or fungus.
  4. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
  5. The process or action by which one thing absorbs or is absorbed by another: "shock absorption".
  6. diffusion Transport of substances across a biological membrane from an area of higher concentration to an area of lower concentration by means of a carrier molecule. Since the substances move along the direction of their concentration gradients, energy is not required.
  7. transport The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
  8. Something put into a system or expended in its operation to achieve output or a result,
  9. A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.
  10. A substance that provides nourishment essential for growth and the maintenance of life.
  11. the metabolic processes whereby certain organisms obtain energy from organic molecules.
  12. A line that marks the limits of an area; a dividing line
  13. something, such as a liquid or gas, that flows in
  14. Respiration the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
  15. transport transport of a substance across a cell membrane by diffusion; expenditure of energy is not required.
Down
  1. An individual animal, plant, or single-celled life form
  2. A group of interacting, interrelated, or interdependent elements forming a complex whole.
  3. the act of concentrating; the state of being concentrated.
  4. force a force which is the result of two or more forces acting conjointly, or a motion which is the result of two or more motions combined.
  5. Take in or soak up (energy, or a liquid or other substance) by chemical or physical action, typically gradually.
  6. Synthesize sugars or other substances by means of photosynthesis.
  7. Reaction A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form Compound
  8. Get, acquire, or secure (something):
  9. The process of becoming smaller.
  10. A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.
  11. The passive movement of molecules or particles along a concentration gradient, or from regions of higher to regions of lower concentration.
  12. Of or relating to the properties of spheres
  13. The first trophic level in a food chain in which it serves as a food source for consumers or for higher trophic levels.
  14. to make a solution of, as by mixing with a liquid; pass into solution
  15. reproduction reproduction without the fusion of gametes
  16. Consisting of many different and connected parts.

31 Clues: the act or process of burning. • The process of becoming smaller. • Get, acquire, or secure (something): • Of or relating to the properties of spheres • something, such as a liquid or gas, that flows in • Consisting of many different and connected parts. • An individual animal, plant, or single-celled life form • A line that marks the limits of an area; a dividing line • ...

Chemistry Katok 2014-02-26

Chemistry Katok crossword puzzle
Across
  1. – Physical observation using senses
  2. – Negatively charged ion
  3. – The study of composition, properties and behavior of matter.
  4. – Does not depend on the amount of matter
  5. – Process of evaporation
  6. – the qualitative relationship of reactants by products in a balance equation
  7. – Transformation of matter of which the composition change
  8. – Slippery and soapy structure
  9. – the study of carbon and its compounds
  10. - Electrons that are found on the outer shell of an element.
  11. – A complete transfer of electron from one atom to another
  12. – Measured with specific units
  13. – The act of mixing or the state of being mixed
  14. – The structure changes but the composition does not
  15. – Pouring gently the liquid to separate from solid particle
  16. – Involves of sharing of electron
Down
  1. – A size or extent of something base on standard
  2. – Separation of liquid with solid
  3. – Positively charged ion
  4. Acid – HClO2
  5. – Anything that occupies space
  6. – A way of writing/ expressing large numbers into small numbers
  7. – Atoms of the same element but differ in atomic mass/weight
  8. – When matter does not change its original composition
  9. – Molecules are tightly bonded to one another
  10. Attraction – A build up of charge on the surface
  11. Acid – HClO3
  12. – Composed of two or more elements
  13. – One of the simplest constituent principles, or parts of which anything consists
  14. – Has no definite shape but it adapts the shape of its container

30 Clues: Acid – HClO2 • Acid – HClO3 • – Positively charged ion • – Negatively charged ion • – Process of evaporation • – Anything that occupies space • – Slippery and soapy structure • – Measured with specific units • – Separation of liquid with solid • – Involves of sharing of electron • – Composed of two or more elements • – Physical observation using senses • ...

Chemistry & Matter 2014-02-23

Chemistry & Matter crossword puzzle
Across
  1. made of two or more substances,elements, or compounds that are together in the same place but not chemically combined
  2. machine that moves atomic nuclei at high speeds until they crash into one another
  3. groups of two or more atoms held together by chemical bonds
  4. mixture in which substances are evenly distributed throughout the mixture
  5. shows the elements in the compound and the ratio of atoms
  6. elements in group 3, through 12 of periodic table
  7. mixture in which pure substances are unevenly distributed throughout the mixture
  8. a force of attraction between two atoms
  9. the basic particle from which all elements are made
  10. a single kind of matter, has a specific set of properties
  11. measure of the average energy of random motion of particles of matter
  12. mixture that forms when one substance dissolves another
  13. ability of an object to transfer heat or electricity to another object
  14. the average mass of all the isotopes of the element
  15. group 2 of periodic table
  16. elements in the same vertical column of the periodic table
  17. term used to describe material that can be pounded into shapes
  18. a one or two letter representation of an element
  19. the total energy of all the particles in an object
  20. any change that alters the form or appearance of matter but does not make any new substance
Down
  1. pure substance that cannot be broken down into another substance by physical or chemical means
  2. matter is not destroyed in any chemical or physical change
  3. study of the properties of matter
  4. produces new substances with properties different from those of the original substance
  5. metals in group 1, from lithium to francium
  6. a chart of the elements showing the repeating pattern of their properties
  7. describes a material that can be pulled into a wire
  8. a change in which energy is taken in
  9. anything that has mass and takes up space
  10. ease and speed with which an element combines, or reacts, with other elements and compounds
  11. mixture of 2 or more elements, one of which is metal
  12. gradual wearing away of a metal element due to chemical reaction
  13. a pure substance made of two or more elements chemically combined in a set ratio
  14. class of elements characterized by physical properties
  15. releases energy
  16. ability to do work or cause change
  17. a horizontal row of elements in the periodic table

37 Clues: releases energy • group 2 of periodic table • study of the properties of matter • ability to do work or cause change • a change in which energy is taken in • a force of attraction between two atoms • anything that has mass and takes up space • metals in group 1, from lithium to francium • a one or two letter representation of an element • ...

Organic Chemistry 2014-04-05

Organic Chemistry crossword puzzle
Across
  1. formed when monomers combine
  2. soap is made by the hydrolysis of fats/oils with _____
  3. fats have the same ester linkage as _____
  4. used to break long-chained alkanes in short-chained alkanes/alkenes
  5. (23.) requires a high temperature and a _____
  6. _____ have a C=C double bond
  7. petroleum is separated into different fractions by _____
  8. a biological catalyst
  9. atom (group) that gives an organic compound its chemical properties
  10. incomplete combustion can also produce _____
  11. only UNSATURATED (9.)s decolourise _____
  12. proteins can be hydrolysed to _____ by heating with hydrochloric acid
  13. compound containing only C and H atoms
  14. alkanes will only react with chlorine in the presence of _____
  15. proteins, fats and carbohydrates are the main _____ in food
Down
  1. C₆H₁₄
  2. (24.) can be made by the oxidation of (25.) with acidified _____(VII)
  3. compounds with alkyl groups sticking out from the main carbon chain
  4. alkanes are generally _____ except for burning
  5. _____ have the general formula Cx(H2O)y
  6. _____ + water -----> ethyl ethanoate + water
  7. compound with the same molecular formula but different structural formulae
  8. group of organic compounds with the same functional group and similar properties
  9. each method of disposing plastic has its _____
  10. in a _____ reaction the monomers join to form a polymer and a small molecule is eliminated
  11. we can use the (25.) produced in fermentation as a _____
  12. we can use paper _____ to identify sugars
  13. the kind of combustion that produces CO2 and H2O
  14. _____ can be made by adding steam to ethene with a catalyst

29 Clues: C₆H₁₄ • a biological catalyst • formed when monomers combine • _____ have a C=C double bond • compound containing only C and H atoms • _____ have the general formula Cx(H2O)y • only UNSATURATED (9.)s decolourise _____ • fats have the same ester linkage as _____ • we can use paper _____ to identify sugars • _____ + water -----> ethyl ethanoate + water • ...

Chemistry Review 2013-12-09

Chemistry Review crossword puzzle
Across
  1. When 2 or more elements come together and bind chemically.
  2. Has an atomic mass of 12.011.
  3. Published the first periodic table in which the elements are arranged by atomic.
  4. Used gold foil experiment to determine that most of an atom's mass is in the nucleus.
  5. Property that can be observed by the 5 senses.
  6. An amount equal to 6.02 x 10^23.
  7. Type of physical property that does not depend on the amount of mass of a substance.
  8. Type of mixture that cannot be easily separated such as Kool-aid, generally a solution.
  9. Variations of an element with different numbers of neutrons.
  10. Dull, brittle, most are gases, poor conductors of heat and electricity.
  11. Horizontal rows of elements on the periodic table.
  12. 2 or more molecules or elements chemically bound to each other and can only be changed by a chemical reaction.
  13. Change that results in new compounds.
  14. Slightly compressible, atoms slide past one another--no fixed shape, but does have a fixed volume.
  15. A group of elements with the same number of valence electrons, and similar characterics including reactivity.
  16. Establishes identity of the element.
  17. The densely packed middle of an atom.
  18. Has the atomic symbol Xe.
Down
  1. Hypothesized that electrons traveled in discrete orbits around the nucleus.
  2. A physical property defined at mass/volume and has units of g/ml org/cm^2.
  3. Negative particle of an atom.
  4. Family with 3 valence electrons.
  5. Type of mixture that can be easily separated such as chunky peanut butter, or stew.
  6. Many data points that are closely grouped together.
  7. The combination of 2 or more substances that does not result in a chemical change.
  8. Good conductor of heat and electricity, malleable, shiny.
  9. Family with an oxidation number of -3.
  10. Type of physical property that depends on the amount of mass of a substance.
  11. Compressible, atoms move quickly and have a large amount of space between them--no fixed shape or volume.
  12. Not compressible, atoms are closely packed and only move slightly--has a fixed shape and volume.
  13. What goes into a chemical reaction.
  14. Found on the periodic table and cannot be separated out to a more pure form.
  15. Attaining the intended target.
  16. Has an atomic number of 17.
  17. A positive ion.
  18. The result of a chemical reaction.
  19. An element that has lost or gained electrons.
  20. Vertical columns of elements on the periodic table.
  21. Has the atomic symbol Na.
  22. Discovered the modern periodic table.
  23. A negative ion.

41 Clues: A positive ion. • A negative ion. • Has the atomic symbol Na. • Has the atomic symbol Xe. • Has an atomic number of 17. • Negative particle of an atom. • Has an atomic mass of 12.011. • Attaining the intended target. • Family with 3 valence electrons. • An amount equal to 6.02 x 10^23. • The result of a chemical reaction. • What goes into a chemical reaction. • ...

Chemistry Words 2014-03-24

Chemistry Words crossword puzzle
Across
  1. Contractive tendency of the surface of a liquid that allows it to resist an external force
  2. Type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance
  3. a unique arrangement of atoms or molecules in a crystalline structure
  4. The process in which a gas escapes through a small hole
  5. Action of bringing liquid to the temperature at which it bubbles and turns into vapor
  6. An element or compound is a phase transition from the liquid phase to a gas phase
  7. To make solid
  8. A solid material whose constituent atoms, molecules, or ions are arranged in an ordered patteren
  9. A piece of homogeneous solid substance having a natural geometrically regular form
  10. a physically distinctive form of matter, such as solid, liquid, gas, or plasma
  11. the smallest group of atoms of a substance that has the overall symmetry of a crystal of that substance
  12. One of several transport phenomena that occur in nature.
Down
  1. The temperature at which a given solid will melt
  2. process of lowering the temperature of a liquid or a gas beliw its freezing point without it becoming a solid
  3. A point on a phase diagram at which both the liquid and gas phases of a substance have the same density
  4. the process in which a liquid turns into a solid
  5. sediments settle down in a different place on the ground
  6. Become liquefied by heat
  7. The ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to, external forces like gravity.
  8. without a clearly defined shape

20 Clues: To make solid • Become liquefied by heat • without a clearly defined shape • The temperature at which a given solid will melt • the process in which a liquid turns into a solid • The process in which a gas escapes through a small hole • sediments settle down in a different place on the ground • One of several transport phenomena that occur in nature. • ...

Chemistry Revision 2014-01-27

Chemistry Revision crossword puzzle
Across
  1. The atoms of halogens are……
  2. He discovered the electron
  3. What is the common name for CaCO3
  4. The series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition
  5. Which gas turns limewater milky?
  6. The time it takes for half of the atoms of a substance to decay
  7. A radioactive isotope used in the treatment of cancer
  8. The elements between the groups 2 and 3 are called the
  9. What are the group seven elements called?
  10. This process is used to find the age of dead organisms by comparing the amounts of two isotopes of carbon.
  11. What is the flame colour for potassium
  12. Plants can create most of the world’s free oxygen through this process
  13. This element is used to make nuclear power
  14. This is one of the types of subatomic particle
Down
  1. The fourth alkali metal
  2. A type of bonding where electrons are transferred from one atom to another
  3. What is the seventh element in the periodic table.
  4. Transition can be hammered into shape without breaking. They are ……
  5. woman discovered radium?
  6. A type of bonding where the electrons are shared
  7. Oxygen and nitrogen can be obtained from liquid air by a process called…
  8. One of the allotropes of carbon which is used in jewellery
  9. The emission of energy as electromagnetic waves or moving subatomic particles
  10. The ore that pure uranium and pure radium can be obtained from.
  11. Hydrogen burns with a……
  12. The space an electron occupies is called an
  13. Elements with the same number or protons and electrons but different numbers of….

27 Clues: The fourth alkali metal • Hydrogen burns with a…… • woman discovered radium? • He discovered the electron • The atoms of halogens are…… • Which gas turns limewater milky? • What is the common name for CaCO3 • What is the flame colour for potassium • What are the group seven elements called? • This element is used to make nuclear power • ...

Chemistry Crossword 2014-05-21

Chemistry Crossword crossword puzzle
Across
  1. A type of metal extraction by heat
  2. Its chemical formula is Cu5FeS4
  3. Shows and classifies all 118 known types of atoms(elements)
  4. The symbol of this element is N
  5. Group number in periodic table is 1 and period in periodic table is 4
  6. Is a common metal that can only be extractedusing electrolysis
  7. The most common method of obtaining metals
  8. Are chemical substances that make up rocks
  9. The alloy that is used for silver coins
  10. Contains 20% chronium and 10% nickel to stop it from rusting
  11. The least common group in the periodic table
  12. A scale that measures the amount of pure gold in jewellery
Down
  1. Are lustrous, malleable and ductile
  2. Is the closest we get to pure iron in everyday materials
  3. The main component of steel
  4. Metal most abundant in Australian silver coins, common to both brass and bronze
  5. Superheated liquids in the earths crust
  6. Cracks in the rocks where minerals are formed
  7. Cannot be used as pure elements, are too soft to be made into anything useful
  8. The building blocks from which everything else is made
  9. Formed by sediments deposited on the sea floor
  10. Another type of metal extraction by heat
  11. A metal combined with another element
  12. Pure Iron with small amounts of carbon added
  13. Is a rock that has sufficient metal making it worthwhile to mine

25 Clues: The main component of steel • Its chemical formula is Cu5FeS4 • The symbol of this element is N • A type of metal extraction by heat • Are lustrous, malleable and ductile • A metal combined with another element • Superheated liquids in the earths crust • The alloy that is used for silver coins • Another type of metal extraction by heat • ...

Chemistry Crossword 2014-11-24

Chemistry Crossword crossword puzzle
Across
  1. The ability of something to float
  2. Particles with no charge
  3. The occurrence when an atom is atracted or repelled to/against each other
  4. A material that is bendable
  5. The tempature that makes a solid turn into a liquid
  6. The resistance (or thickness) to flow in a liquid
  7. Special features,traits, and/or attributes of materials found in the universe
  8. The tempature when a gas becomes a liquid
  9. The tempature that makes a liquid turn into a gas
  10. A material that can be changed into a different shape without breaking
  11. An object can be changed into a wire if it has ___________
  12. Water molecules special bond that helps them stick together is called ___________
  13. When a solid turns directly into a gas without going through the liquid state
  14. Water atoms that are going crazy with all kinds of energy
Down
  1. Replacing matter with another kind of matter
  2. Positivly charged particles
  3. The tempature that makes a liquid turn into a solid
  4. People that lived a long time ago and mixed chemicals together to see what would happen were called ______________
  5. This word means how shiny something is
  6. This is a property of matter that tells us how much matter is inside something
  7. A state of matter that is free to flow but has a specific volume
  8. A state of matter with particles that don't have a specific volume or shape
  9. A solid without shape
  10. Two differnt elements combined to make something new
  11. How much mass is in a certain volume of matter
  12. Negativly charged particles
  13. An atom that does not have the right number of electrons
  14. The amount of space something takes up is called _________
  15. Liquid atoms that have changed into a gas
  16. The smallest chemical unit of matter known to man

30 Clues: A solid without shape • Particles with no charge • Positivly charged particles • A material that is bendable • Negativly charged particles • The ability of something to float • This word means how shiny something is • The tempature when a gas becomes a liquid • Liquid atoms that have changed into a gas • Replacing matter with another kind of matter • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. Without it you pretty much die
  2. New substance produced in a chemical reaction
  3. Takes place when two or more substances react to create a new one
  4. John Dalton's model
  5. Most explosive element on the periodic table
  6. When a metal and non-metal combine
  7. Positive particle in the nucleus of an atom
  8. The smallest part of an element
  9. Releases energy
  10. Change in appearance or state
  11. Negative particle that orbits the nucleus in an atom
  12. Slow chemical change that occurs when oxygen reacts with a metal
  13. This element is found in many swimming pools
  14. Absorbs energy
Down
  1. _________+ Oxygen= H20
  2. It is present in bananas
  3. Chemical reaction that takes place in cells
  4. First scientist to organize the elements into a chart
  5. Element that has metallic and non-metallic properties
  6. table in which the elements are organized
  7. Chemical reaction that occurs when oxygen reacts with a substance
  8. Substance that helps a chemical reaction proceed more quickly
  9. Aurum is another name for this element
  10. Most reactive non-metals
  11. Neutral particle in the nucleus of an atom

25 Clues: Absorbs energy • Releases energy • John Dalton's model • _________+ Oxygen= H20 • It is present in bananas • Most reactive non-metals • Change in appearance or state • Without it you pretty much die • The smallest part of an element • When a metal and non-metal combine • Aurum is another name for this element • table in which the elements are organized • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. releases heat energy.
  2. a table in which the elements are organized by their physical and chemical properties.
  3. a change where two or more substances react to create a new substance.
  4. a mixture of two or more pure substances that look like one.
  5. number of protons in the nucleus in one atom of an element.
  6. mass of one atom or an element.
  7. absorbs heat energy.
  8. a substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties.
Down
  1. substance that helps speed up a chemical reaction.
  2. a combination of pure substances, not a compound.
  3. a chemical reaction that occurs when oxygen reacts with a substance to form a new substance, the process is fast.
  4. group one elements in the periodic table.
  5. a substance made up of only one kind or matter, which has a unique set of properties.
  6. a pure substance that cannot be broken down into other substances, only one type of atom.
  7. a change that results when two or more substances react to create a different substance.
  8. a change in appearance or state of a substance that does not change composition.
  9. an experiment in which all the reactants and all products of a chemical reaction are accounted for.
  10. a cloudy mixture where tiny particles of one substance are held within another and the particles cannot be separated out of the other substance.
  11. chemical combination of two or more elements in a specific ratio.
  12. a new substance produced in a chemical reaction between reactants.
  13. an atom or a group of atoms that has become electrically charged because it has lost or gained electrons.
  14. group 17 elements on the periodic table.
  15. is a slow chemical change that occurs when oxygen in the air reacts with a metal.
  16. an experiment in which one or more products of a chemical reaction can escape.

24 Clues: absorbs heat energy. • releases heat energy. • mass of one atom or an element. • group 17 elements on the periodic table. • group one elements in the periodic table. • a combination of pure substances, not a compound. • substance that helps speed up a chemical reaction. • number of protons in the nucleus in one atom of an element. • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. An enzyme found in plant and animal cells.
  2. The smallest part of an element that is representative of that element.
  3. Invisible negatively charged particle that orbits the nucleus of an atom.
  4. Vertical column of elements in the table.
  5. Produced when two non-metals are combined.
  6. Can be in-between metals and non-metals.
  7. Produced when a metal and non-metal are combined.
  8. Positively charged particle in the nucleus of an atom.
  9. Came from the Greek word,"khemia" meaning juice of a plant.
  10. Positive charges.
  11. The number that represents the amount of atoms in a chemical formula.
  12. Substances that start a reaction.
  13. The positive charged centre of an atom.
  14. A chemical change, which releases heat energy
Down
  1. Anything that has mass and occupies space.
  2. Substance(s) created by a reaction.
  3. A slow chemical reaction in which the metal is decomposed when it reacts with oxygen.
  4. Group 9, period 6.
  5. Neutral particle in the nucleus of an atom.
  6. The speed of a chemical reaction.
  7. Measure of atomic mass; (amu).
  8. Group 15, period 7.
  9. An organic catalyst.
  10. Horizontal row of elements in the periodic table.
  11. Most reactive non-metals.

25 Clues: Positive charges. • Group 9, period 6. • Group 15, period 7. • An organic catalyst. • Most reactive non-metals. • Measure of atomic mass; (amu). • The speed of a chemical reaction. • Substances that start a reaction. • Substance(s) created by a reaction. • The positive charged centre of an atom. • Can be in-between metals and non-metals. • Vertical column of elements in the table. • ...

chemistry lab 2014-11-08

chemistry lab crossword puzzle
Across
  1. positively charged center of an atom
  2. description of a solid that can be stretched into a long wire
  3. slow chemical change that occurs when oxygen in air reacts with metals
  4. Change a change in where 2 or more substances react to create a new substance with completely different properties
  5. vertical column of elements in the periodic table
  6. Metals group 1 in the periodic table, not including hydrogen
  7. dull, brittle element that does not conduct electricity
  8. Solution a solution in which water is the solvent
  9. Formula combination of symbols that represent a compound
  10. Number number of protons in the nucleus of one atom of an element
  11. change of state from a solid to a liquid
  12. Gases group 18 in the periodic table
  13. combination of pure substances
  14. an atom that has become electrically charged
  15. System an experiment in which all reactants and all products of a chemical reaction are accounted for
Down
  1. amount of mass in a given volume of a substance
  2. anything that has mass and occupies space
  3. change of state from a gas to a solid
  4. substance that helps a chemical reaction to proceed more quickly
  5. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. description of a substance that can be rolled or pounded into sheets
  7. group 17 in the periodic table of elements
  8. chemical combination of two or more elements in a specific ratio
  9. pure substance made up of only one type atom
  10. Mass mass of one element of an atom

25 Clues: combination of pure substances • positively charged center of an atom • Mass mass of one element of an atom • Gases group 18 in the periodic table • change of state from a gas to a solid • change of state from a solid to a liquid • anything that has mass and occupies space • group 17 in the periodic table of elements • pure substance made up of only one type atom • ...

Chemistry Crossword 2014-11-06

Chemistry Crossword crossword puzzle
Across
  1. change of state from solid to a gas
  2. positively charged centre of an atom; contains protons and neutrons
  3. chemical reaction that absorbs energy
  4. property that describes the physical appearance and composition of a substance
  5. refers to three common states in which matter can exist: solid, liquid, and gas
  6. dull,brittle element that does not conduct electricity
  7. cloudy mixture in which tiny particles of one substance are held within one another, and the particles can be separated out
  8. positively charged particle in the nucleus of an atom
  9. a table in which the elements are organized by their physical and chemical properties
  10. group 17 elements in the periodic table; the most reactive non-metals
  11. change of state from a solid to a liquid
  12. substance that helps a chemical reaction to proceed more quickly
  13. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  14. a system of easy-to-see warning symbols on hazardous materials
  15. group 1 element in the periodic table, not including hydrogen; most reactive of the metals
  16. element that has both metallic and non-metallic properties
Down
  1. characteristic that describes a particular substance
  2. pure substance formed when at least one metal and one non-metal combine
  3. homogeneous mixture; mixture of two or more pure substances that looks like one substance
  4. combination of symbols that represent a compound
  5. characteristics that can be used to describe a substance
  6. an experiment in which one or more products of chemical reaction can escape
  7. the smallest part of an element that is representative of the element
  8. is anything that has mass and occupies space
  9. fourth state of matter

25 Clues: fourth state of matter • change of state from solid to a gas • chemical reaction that absorbs energy • change of state from a solid to a liquid • is anything that has mass and occupies space • combination of symbols that represent a compound • characteristic that describes a particular substance • positively charged particle in the nucleus of an atom • ...

Chemistry Crossword 2014-11-06

Chemistry Crossword crossword puzzle
Across
  1. the amount of heat needed to raise the temperature of one gram of water by one degree Celsius
  2. function property that does not depend in any way on the system's past or future; only on the present
  3. includes everything else in the universe
  4. a derived unit of energy in the international system of units
  5. takes the shape and volume of its container
  6. heat flow into a system
  7. anything that has mass and takes up space
  8. the study of the flow or exchange of energy
  9. the measure of gravitational pull on an object
  10. definite shape and volume
Down
  1. the amount of space that matter takes up
  2. a measure of the average kinetic energy of particles in matter
  3. the measurable amount of matter
  4. takes shape of container but has definite volume
  5. a measure of randomness or disorder in a system
  6. energy transferred between objects by electromagnetic waves
  7. the capacity to do work or produce heat
  8. energy due to motion
  9. energy flow out of a system
  10. part of the universe on which we wish to focus attention
  11. form of energy transferred between two objects due to a temperature difference between them

21 Clues: heat flow into a system • definite shape and volume • energy due to motion • energy flow out of a system • the measurable amount of matter • the capacity to do work or produce heat • the amount of space that matter takes up • includes everything else in the universe • anything that has mass and takes up space • takes the shape and volume of its container • ...

chemistry crossword 2014-11-06

chemistry crossword crossword puzzle
Across
  1. of or relating to chemistry or the interactions of substances as studied in chemistry
  2. gas any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table
  3. new substances produced in a chemical reaction between reactants
  4. rapid chemical combination of a substance with oxygen, involving the production of heat and light
  5. is poisonous an can kill you
  6. change Substances often undergo changes that make them have a dramatically different appearance even though the chemical composition of the substance remains unchanged
  7. a substance that takes part in and undergoes change during a reaction
  8. gas is a substance that is a gas at normal room temperature and pressure, and is contained under pressure, usually in a cylinder
  9. element that has both metallic and non-metallic properties
  10. mass the mass of an atom of a chemical element expressed in atomic mass units
  11. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  12. a mathematical relationship or rule expressed in symbols
Down
  1. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  2. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  3. is a column of elements in the periodic table of the chemical elements
  4. is tending to cause corrosion
  5. (of a reaction or process) accompanied by or requiring the absorption of heat
  6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  7. compound A compound which is held together by ionic bonds
  8. a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel)
  9. (of a compound) formed from its constituent elements with a net release of heat
  10. is the name given to a horizontal row of the periodic table
  11. any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table
  12. 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

24 Clues: is poisonous an can kill you • is tending to cause corrosion • a mathematical relationship or rule expressed in symbols • compound A compound which is held together by ionic bonds • element that has both metallic and non-metallic properties • is the name given to a horizontal row of the periodic table • ...

Chemistry Crossword 2014-11-04

Chemistry Crossword crossword puzzle
Across
  1. cloudy mixture that cannot be separated
  2. solids at a room temperature
  3. pounded or rolled into sheets
  4. gas to liquid.
  5. stands for workplace Hazardous Materials Information System
  6. liquid to gas
  7. can be in between metals and non-metals
  8. an element is defined by the number of protonsit has.
  9. a substance that reacts with another substance
  10. most reactive non-metal
  11. most stable and unreactive
  12. chemical combination of two or more elements
  13. characteristics that can be used to describe a substance
Down
  1. comes from a Greek word Khemeia , meaning juice of plant.
  2. metal + non metal, high melting point
  3. when 2 non-metals combine
  4. cloudy mixture that can be separated.
  5. anything that has mass occupies space.
  6. made up of two or more substances combined together
  7. substance made up of only one type of atom.
  8. the average mass of an element in atomic mass units.
  9. mixture of two or more pure substances that looks like one substance
  10. most reactive, especially in air and water
  11. a chemical change, which absorbs heat energy
  12. a new substance produced in a chemical reaction between reactants

25 Clues: liquid to gas • gas to liquid. • most reactive non-metal • when 2 non-metals combine • most stable and unreactive • solids at a room temperature • pounded or rolled into sheets • metal + non metal, high melting point • cloudy mixture that can be separated. • anything that has mass occupies space. • cloudy mixture that cannot be separated • can be in between metals and non-metals • ...

Chemistry Crossword 2014-08-03

Chemistry Crossword crossword puzzle
Across
  1. R - NH2
  2. with double and triple bonds
  3. Benzene w/ Alcohol
  4. atom with net electric charge
  5. CnH2n
  6. High Stretch Fiber
  7. Bromine-Bromo , Iodine-______
  8. Artificial Flavorings
  9. replacement of an atom group in a compound by another atom
  10. when added, becomes polymer
  11. 1,2 in Benzene
  12. "Silly Puddy"
  13. Adding Hydrogen
  14. H2O
  15. Chloride: PVC
  16. Cl
  17. CnH2n + 2
Down
  1. Property of Ketone
  2. Super strong plastic
  3. 1,3 in Benzene
  4. Negative Ion
  5. 1,4 in Benzene
  6. Not Organic
  7. Teflon
  8. CH3 - CH2 - CH3
  9. Property of Naturqal Polymer
  10. Used in making fiber
  11. Negative Ion
  12. without double and triple bonds
  13. Product of Polysterene
  14. glyceryl trioleate
  15. Sollvent
  16. Removal of Hydrogen
  17. Made up of Monomers
  18. Density Polyethylene: LDPE
  19. Reaction: Occurs in Polymerization

36 Clues: Cl • H2O • CnH2n • Teflon • R - NH2 • Sollvent • CnH2n + 2 • Not Organic • Negative Ion • Negative Ion • "Silly Puddy" • Chloride: PVC • 1,3 in Benzene • 1,4 in Benzene • 1,2 in Benzene • CH3 - CH2 - CH3 • Adding Hydrogen • Property of Ketone • Benzene w/ Alcohol • High Stretch Fiber • glyceryl trioleate • Removal of Hydrogen • Made up of Monomers • Super strong plastic • Used in making fiber • Artificial Flavorings • ...

Chemistry crossword 2013-07-21

Chemistry crossword crossword puzzle
Across
  1. amount of material contained in a body
  2. is an ion that is negatively charged, and is attracted to the cathode (negative electrode) in electrolysis
  3. Table/ systematic arrangement of known elements based on increasing atomic number
  4. smallest estimated value from the device
  5. German who contributed in the development of the periodic table in 1829
  6. it a non-metal that behaves like a metal
  7. measure of the pull of gravity of Earth
  8. a process of comparing something with a standard (devices) to see how many times as big it is with a standard
  9. element that is best for conducting heat and electricity
  10. Gravity/ ratio of the weight of a substance to the weight of equal volume of water
  11. English man who contributed the Law of Octave in 1865
  12. property of metals wherein they're able to be drawn to wire or sheets
  13. Latin name for Ag
  14. group of the horizontal rows int he periodic table
  15. the ratio of the mass of a substance per unit volume
Down
  1. he focused on the chemical properties of the elements and his contribution to the periodic table is superior
  2. Number/ it is the identity of the element; refers to the # protons and electrons
  3. Molecular Theory/ this theory stated that when the volume increases the density becomes smaller
  4. phenomenon wherein a substance can behave as acid or base at the same time
  5. composition is variable; easily separated
  6. refers to the hotness or coldness of a substance
  7. property of metals that can be hammered into thin sheets
  8. smallest exact digit or line which is taken directly from the instrument or device
  9. simplest form of substance
  10. metals/ group of metals where Silver, Gold and copper can be made to coins or jewelries
  11. is anything that has mass and volume
  12. group of the vertical rows in the periodic table
  13. French man who contributed the Helix in 1889
  14. is an ion, which has a net positive charge, is attracted to the anode (positive electrode) in electrolysis
  15. consisting of 2 or more elements but in a definite ratio
  16. substance/ single component; constant composition

31 Clues: Latin name for Ag • simplest form of substance • is anything that has mass and volume • amount of material contained in a body • measure of the pull of gravity of Earth • smallest estimated value from the device • it a non-metal that behaves like a metal • composition is variable; easily separated • French man who contributed the Helix in 1889 • ...

Madein Chemistry 2013-07-24

Madein Chemistry crossword puzzle
Across
  1. gives meaning to the process
  2. the person who ridiculed Newland
  3. designated by roman numeral
  4. amount of space matter occupies
  5. most abundant isotope
  6. borderline elements
  7. smallest estimated value from the device
  8. element that was used to misplaced by Mendeleev's periodic table
  9. smallest exact digit line w/c is taken directly from the device
  10. a pure substance that cannot be broken down into simpler substances by chemical reaction
  11. anything that mas mass and volume
  12. a process of comparing something with a standard devices to see how many times as big it is with standard
  13. He was considered superior during his time
  14. A substance that will neutralise an acid is called a base.
  15. numerical value are equal
  16. ionic compounds composed of anions and cat ions
  17. chemically bonded number of atoms that are electrically neutral
  18. A molecule or ion that sticks to the central atom in a complex.
Down
  1. building block of nucleon
  2. invented the law of octave
  3. a positive unit or subatomic particle that has a positive charge
  4. particle with the same mass as fundamental particle but of opposite charge
  5. phenomenon wherein a substance can behave as acid or base at the same time
  6. A mixture of two metals.
  7. Figures refers to the number of exact digits and one digit w/c is estimated
  8. any operation involving uncertain digit
  9. the only particle of the atom responsible for chemical reaction
  10. amount of matter in a body
  11. massive part of the atom
  12. also called as absolute

30 Clues: borderline elements • most abundant isotope • also called as absolute • A mixture of two metals. • massive part of the atom • building block of nucleon • numerical value are equal • invented the law of octave • amount of matter in a body • designated by roman numeral • gives meaning to the process • amount of space matter occupies • the person who ridiculed Newland • ...

Chemistry Fun 2013-09-17

Chemistry Fun crossword puzzle
Across
  1. a force that measures the pull on mass by gravity
  2. Gaseous state of a substance that is usually solid or liquid
  3. Simplest form of matter
  4. Measure of how close a series of measurements are to another
  5. Indefinite shape but has a definite volume
  6. A substance produced in the reaction
  7. Another name for a homogenous mixture
  8. Substance present at the start of a reaction
  9. Measure of the space occupied by an object
  10. Definite shape and volume
  11. Quantity with both a number and a unit
  12. Separates a liquid from a solid
Down
  1. Physical blend of two or more components
  2. Used to describe a sample with a uniform composition
  3. How hot or cold an object is
  4. Substance that contains two or more elements
  5. Liquid is boiled to produce a vapor
  6. Basic unit of SI unit for mass
  7. Indefinite shape and volume
  8. Measure of how close a measurement is to the true value

20 Clues: Simplest form of matter • Definite shape and volume • Indefinite shape and volume • How hot or cold an object is • Basic unit of SI unit for mass • Separates a liquid from a solid • Liquid is boiled to produce a vapor • A substance produced in the reaction • Another name for a homogenous mixture • Quantity with both a number and a unit • Physical blend of two or more components • ...

Organic Chemistry 2013-09-18

Organic Chemistry crossword puzzle
Across
  1. organic compounds formed by reaction between alcohols and acids
  2. …… group is the part of an organic molecule responsible for its chemical reactions
  3. compound that contains only hydrogen and carbon
  4. hydrocarbon with carbon atoms joined in straight or branched chains
  5. technique of condensing vapours and returning the condensate to the original system
  6. process of boiling a liquid, condensing and collecting the vapour
  7. simplified organic formula with the hydrogen atoms removed
  8. …… are saturated straight-chained hydrocarbons with single C-C bonds only
  9. an atom which is attracted to an electron-deficient centre and donates a pair of electrons
  10. type of formula e.g. CH3CH2CH3
  11. substance that increases the rate of a reaction without being used up in the process
  12. molecule composed of 6 carbon atoms joined in a ring, with 1 hydrogen atom attached to each carbon atom
Down
  1. reaction where a reactant is added to an unsaturated molecule to make a saturated molecule
  2. molecules with the same molecular formula but with different arrangements of the atoms
  3. an atom which is attracted to an electron rich centre and accepts a pair of electrons
  4. organic molecule CH3(CH2)4CH3
  5. unsaturated hydrocarbons that contain one or more double C-C bonds
  6. acid consisting of R-COOH, where R is some monovalent functional group
  7. hydrocarbon containing at least one carbon-to-carbon doulble bonds
  8. long molecular chain built up from monomer units
  9. hydrocarbon with only single bonds
  10. species with an unpaired electron
  11. organic compound in which the hydroxyl functional group (-OH) is bound to a carbon atom

23 Clues: organic molecule CH3(CH2)4CH3 • type of formula e.g. CH3CH2CH3 • species with an unpaired electron • hydrocarbon with only single bonds • compound that contains only hydrogen and carbon • long molecular chain built up from monomer units • simplified organic formula with the hydrogen atoms removed • organic compounds formed by reaction between alcohols and acids • ...

Chemistry Project 2013-10-18

Chemistry Project crossword puzzle
Across
  1. / A class of chemical element which have a characteristic shiny appearance and are good conductors of heat and electricity.
  2. / The solid substance that has dissolve in liquid to form a solution.
  3. / Toxic metal that can cause learning difficulties in children.
  4. / A common natural gas that is contain in your fart.
  5. / A from of calcium carbonate (CaCO3)
  6. / Atom of the same element which have different numbers of neutrons in their nuclei.
  7. / Sources of energy and other resources which cannot run out.
  8. / Substance which increases the rate of a chemical reaction.
  9. / When liquid changes to gas.
  10. Cycle / The system by which nitrogen and its compound are interchanged.
  11. / A substance formed by the chemical combination of two or more elements in fixed proportions.
  12. / Separating a liquid from a solution.
  13. Cycle / Natural cycle by which rocks are possibly changed into another type of rock by conditions of temperature and pressure.
  14. / Semi-metal.
  15. / A vertical column of the periodic table containing elements with similar properties.
  16. Fuel / It is form from the buried remains of plants and animals.
  17. / A chemical reaction in which a compound is made from its elements.
  18. / A state of matter that has a definite shape.
  19. / Materials we get from the environment to meet our needs.
  20. / _________ is the process in which plants take in C02 and convert it to sugar.
  21. / Our favorite food ;)
  22. / The ________ is measured by a thermometer.
  23. / U.
  24. - Metal / A class of chemical element that are typically poor conductors of heat and electricity.
  25. / H20
  26. / A horizontal row of the periodic table.
  27. / First element in the periodic table.
  28. / The separation of a solid from a liquid, using a fine filter paper which does not allow the solid to pass through.
  29. / Water is a type of this state of matter.
  30. / NH3
  31. / Substance that can be used as a source of energy.
  32. / Changes of physical state from liquid to solid.
Down
  1. / Anything which occupies space and has mass.
  2. / Changes of physical state from solid to liquid.
  3. / Most reactive group of non-metals.
  4. / Seawater is made drinkable by ________.
  5. / Harmful effect of human activity and waste.
  6. Rain / Rain which has been made more acidic than normal.
  7. / The liquid that dissolves the solid solute to form a solution.
  8. / Paper ________ was used to separate solutions of coloured substance.
  9. / Creator of the periodic table.
  10. / A type of chemical reaction where a compound breaks down into simpler substances.
  11. / Liquéfaction.
  12. / A word used to describe the property that metals that can be drawn out and stretched into wires.
  13. Dioxide / Composes 0.04% of the atmosphere.
  14. / Type of rock that cover three - quarters of the land surface.
  15. / A subatomic particle that is located in energy levels outside the nucleus.
  16. / Source of life.
  17. / Zr.
  18. / A direct change of state from solid to gas or gas to solid.
  19. / A substance which can't be further divided into simpler substances like chemical methods.
  20. / Type of rock form by heat and pressure changing existing rocks.
  21. / A process in which heat energy is produced and released to the surrounding.
  22. / P.
  23. / Composes 21% of the atmosphere.
  24. / A word used to describe the property that metals can be bend and beaten into sheets.
  25. / Mixtures of elements design to have the properties useful for a particular purpose.
  26. / Xe
  27. / Type of rock form by solidification of melted minerals.
  28. / A state of matter that doesn't have a fix volume.

60 Clues: / U. • / P. • / Xe • / Zr. • / H20 • / NH3 • / Semi-metal. • / Liquéfaction. • / Source of life. • / Our favorite food ;) • / When liquid changes to gas. • / Creator of the periodic table. • / Composes 21% of the atmosphere. • / Most reactive group of non-metals. • / A from of calcium carbonate (CaCO3) • / Separating a liquid from a solution. • / First element in the periodic table. • ...

Chemistry Crossword 2013-10-06

Chemistry Crossword crossword puzzle
Across
  1. A law stating that at constant temperature the volume of gas is inversely proportional to the pressure.
  2. Refers to the weight in grams of a substance or solution which supply one reacting unit
  3. Reactions in which transfer of electrons takes place.
  4. A homogenous mixture of two or more substances where
  5. The one in the greater quantity
  6. Also called synthesis. The reaction in which two or more substance combine
  7. Reaction in which single substance break down into two or more substance.
  8. A chemical reaction that absorbs heat.
  9. determined by the number of electrons the atom will lose, gain, or share
  10. A device used for temperature measurements.
  11. Indicator that detects Acid, Base or Neutral
  12. it is the smallest exact value
  13. A flask that is very accurate for volume measurement..
  14. Having the characteristics of an acid and a base.
Down
  1. Refers to the #- g. equivalent weight per liter.
  2. The other in less quantity
  3. These are liquids which can’t be separated, they co-distill one another.
  4. This is the process of separating liquid mixtures.
  5. It is the strength of the solution.
  6. This is the process of separating colors.
  7. A law stating that matter can neither be created nor destroyed but can be converted from one form to another.
  8. Refers to the number of moles of solute per kg. of solution
  9. Reaction that do not involve any change in valence or oxidation state
  10. Process in which a solid becomes a gas.
  11. A Change that alters the composition of a substance.
  12. A physical property of solution that depends quantitatively upon the number of particles of solute present in a solution
  13. A chemical reaction that release heat at the time of their occurrence
  14. A type of flame that has an incomplete combustion.
  15. it is the smallest estimated value
  16. refers to the Number of mole of solute per liter.

30 Clues: The other in less quantity • it is the smallest exact value • The one in the greater quantity • it is the smallest estimated value • It is the strength of the solution. • A chemical reaction that absorbs heat. • Process in which a solid becomes a gas. • This is the process of separating colors. • A device used for temperature measurements. • ...

chemistry vocabulary 2013-10-10

chemistry vocabulary crossword puzzle
Across
  1. any of the gases in group O (18) of the periodic table
  2. samples of a pure compound always contain the same elements
  3. a table of chemical elements arranged in order of atomic number
  4. an elementary particle that is a fundamental constituent of matter
  5. the integer number nearest in value to the atomic weight of an atom and equal to the number of nucleons
  6. molecules composed only of two metals
  7. any element in group 2 of the periodic table
  8. a positively charged ion
  9. any element in group 17 of the periodic table
  10. an ionic species having a negative charge
Down
  1. an ionic bond is a chemical link between two atoms caused by an electrostatic force
  2. theory that matter consists of of invisible particles called atoms
  3. any of two or more forms of a chemical element
  4. a fundamental group of atoms in a molecule serving as a base
  5. a positively charged elementary that is a fundamental constituent of all atomic nuclei
  6. an element whose properties are intermediate between metals and solid non metals
  7. a representation of a substance using symbols for its constituent elements
  8. any of the elements in group ia 1 of the periodic table
  9. the number of positive charges of protons in the nucleus of an atom of a given element
  10. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  11. any of the set of metallic elements in groups 4-12 of the periodic table

21 Clues: a positively charged ion • molecules composed only of two metals • an ionic species having a negative charge • any element in group 2 of the periodic table • any element in group 17 of the periodic table • any of two or more forms of a chemical element • any of the gases in group O (18) of the periodic table • any of the elements in group ia 1 of the periodic table • ...

Chemistry Vocabulary 2015-06-15

Chemistry Vocabulary crossword puzzle
Across
  1. A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
  2. A group of letters and subscript numbers that represent the make-up of a chemical compound
  3. A change in matter that produces new substances with new properties
  4. A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
  5. A type of chemical reaction in which the metal ions of two different compounds exchange places
  6. An equation that uses chemical symbols to represent reactants and products in a chemical reaction
  7. Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)
  8. A substance that changes colour when added to an acid or a base
  9. A type of reaction in which one compound breaks down into two or more simpler compounds or elements
Down
  1. A type of chemical reaction in which one element takes the place of another element in a compound
  2. Represents a chemical reaction using coefficients (numbers in front of the reactants and products) that tell you how much of the reactants are used and how much of the products are made
  3. Substances that react together in a chemical reaction
  4. New substances produced in a chemical reaction
  5. A chemical reaction in which two or more reactants combine to produce a new product
  6. An atom or a group of atoms that has an electrical charge, either positive or negative
  7. A scale from 0 to 14 that describes how acidic or basic a substance is
  8. Reduced in concentration be being mixed with a liquid, such as water
  9. of mass During a chemical reaction. The total mass and number of atoms of the reactants equal to total mass and number of atoms of the products
  10. A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
  11. Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction

20 Clues: New substances produced in a chemical reaction • Substances that react together in a chemical reaction • A substance that changes colour when added to an acid or a base • A change in matter that produces new substances with new properties • Reduced in concentration be being mixed with a liquid, such as water • ...

Chemistry Vocabulary 2015-06-16

Chemistry Vocabulary crossword puzzle
Across
  1. A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
  2. Substances that react together in a chemical reaction
  3. A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
  4. A scale from 0 to 14 that describes how acidic or basic a substance is
  5. A type of chemical reaction in which the metal ions of two different compounds exchange places
  6. An atom or a group of atoms that has an electrical charge, either positive or negative
  7. A chemical reaction in which two or more reactants combine to produce a new product
  8. New substances produced in a chemical reaction
  9. A group of letters and subscript numbers that represent the make-up of a chemical compound
  10. Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction
  11. A change in matter that produces new substances with new properties
Down
  1. A type of chemical reaction in which one element takes the place of another element in a compound
  2. A substance that changes colour when added to an acid or a base
  3. A type of reaction in which one compound breaks down into two or more simpler compounds or elements
  4. Represents a chemical reaction using coefficients (numbers in front of the reactants and products) that tell you how much of the reactants are used and how much of the products are made
  5. During a chemical reaction. The total mass and number of atoms of the reactants equal to total mass and number of atoms of the products
  6. An equation that uses chemical symbols to represent reactants and products in a chemical reaction
  7. A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
  8. Reduced in concentration be being mixed with a liquid, such as water
  9. Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)

20 Clues: New substances produced in a chemical reaction • Substances that react together in a chemical reaction • A substance that changes colour when added to an acid or a base • A change in matter that produces new substances with new properties • Reduced in concentration be being mixed with a liquid, such as water • ...

Chemistry Matters! 2015-08-31

Chemistry Matters! crossword puzzle
Across
  1. Physical properties can be observed or measured without changing the composition of matter.
  2. Digits that carry meaning. Critical when reporting scientific data because they give the reader an idea of how well you could actually measure/report your data.
  3. A conclusion reached on the basis of evidence and reasoning.
  4. Information or data that describes color, odor, shape, or some other physical characteristic
  5. Properties that do not depend on the amount of the matter present.
  6. A level of individual particles that make up matter can be observed.
  7. A mixture in which the uneven texture of the material can be detected.
  8. Refers to the closeness of the measurements to the correct accepted value
  9. Pure substances composed of two or more different elements held together by chemical bonds.
  10. The action or process of noticing something or someone carefully or in order to gain information.
  11. A property used to characterize materials in reactions that change their identity.
  12. Very small pieces of solid are spread through a liquid but do not dissolve
Down
  1. Has no definite shape or volume. Can expand to fill the container they are in and can be compressed.
  2. A mixture that consists of two or more substances in the same phase. They are often called solutions.
  3. Have definite volume but take the shape of the container. The particles move just fast enough to overcome some of the attraction between each other.
  4. The way that scientists easily handle very large numbers or very small numbers.
  5. This information is shown numerically. Often used to show data involving temperature, pressure, volume, and quantity of chemical formed.
  6. Composed of one type of atom
  7. This is an intrinsic property that is measured g/mL.
  8. Characteristics of properties observed by unaided human senses.
  9. The smallest particle of an element that retains the characteristic chemical properties of that element.
  10. Expressed as a percentage the difference between an approximate or measured value and an exact or known value.
  11. Properties that do depend on the amount of matter present.
  12. Refers to the closeness of a set of measurements to the correct accepted value of the quantity measured.
  13. Has definite shape and volume. The particles vibrate because they do not move fast enough to vibrate.
  14. A homogeneous mixture composed of only one phase.In such a mixture, this is a substance dissolved in another substance.
  15. A substance in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance.
  16. Forms when temperature of a gas is extremely high and its particles are positively and negatively charged. It conducts electric current and are affected by magnetic fields.

28 Clues: Composed of one type of atom • This is an intrinsic property that is measured g/mL. • Properties that do depend on the amount of matter present. • A conclusion reached on the basis of evidence and reasoning. • Characteristics of properties observed by unaided human senses. • Properties that do not depend on the amount of the matter present. • ...

Bio- chemistry 2015-09-21

Bio- chemistry crossword puzzle
Across
  1. molecule that can be bonded, from a polymer.
  2. protein- movement such as proteins, help control contractions.
  3. protein amount of sugar that's in the blood.
  4. reaction- transformation of one molecule to another molecule.
  5. release of heat.
  6. a very large number of atoms and protein.
  7. absorption of heat.
  8. large numbers of similar units bonded together.
  9. bonding- attraction between to atoms.
  10. protein- support of connective tissue(finger nails)
  11. acid- DNA OR RNA.
  12. process of breaking food down.
  13. organic compounds consit of larger molecules( hair and nails)
Down
  1. protein- parts of the body to be used by cells in cellular respiration.
  2. acid
  3. living organism to maintain life.
  4. large group of organic compounds occurring in foods.
  5. energy- quantity of energy that the reacting species must posses.
  6. protein- protein that breaks down food into digestive.
  7. unit of nucleic acid.
  8. acids- organic compound containing carboxyl.
  9. substance produced by a living organisms that acts like a biochemical.
  10. molecule that decreases its activity.
  11. class of organic compounds that are fatty acids.

24 Clues: acid • release of heat. • acid- DNA OR RNA. • absorption of heat. • unit of nucleic acid. • process of breaking food down. • living organism to maintain life. • molecule that decreases its activity. • bonding- attraction between to atoms. • a very large number of atoms and protein. • molecule that can be bonded, from a polymer. • protein amount of sugar that's in the blood. • ...

Chemistry crossword 2015-11-17

Chemistry crossword crossword puzzle
Across
  1. Vertical column of elements in the periodic table
  2. Neutral particle in a nucleus of an atom
  3. Hydrogen Symbol
  4. An experiment in which is one or more products of a chemical reaction can escape
  5. A reaction that takes place when two or more substances form new substances
  6. Dull, Brittle element that does not conduct electricity.
  7. Change that results when two or more substances react to create a different substance or substances
  8. Smallest part of a element
  9. something that resists electricity
  10. Invisible negatively charged particle that orbits the neclues of an atom
  11. Water's chemical formula
  12. Change of state from liquid to solid
  13. Gold Symbol
  14. The most reactive element
  15. Group 1 elements in the periodic table. Not including oxygen
Down
  1. Combining of pure substance
  2. reaction Chemical reaction that absorbs energy
  3. A compound made from a non-metal and a non-metal
  4. Change of state from solid to liquid
  5. orbit of electrons around the nucleus of an atom
  6. Number of protons in a nucleus
  7. Slow chemical change that occurs when oxygen in the air reacts with metal
  8. Gases least reactive non metal
  9. Gas, Solid and Liquid
  10. Potassium Symbol

25 Clues: Gold Symbol • Hydrogen Symbol • Potassium Symbol • Gas, Solid and Liquid • Water's chemical formula • The most reactive element • Smallest part of a element • Combining of pure substance • Number of protons in a nucleus • Gases least reactive non metal • something that resists electricity • Change of state from solid to liquid • Change of state from liquid to solid • ...

Chemistry Crossword 2015-11-17

Chemistry Crossword crossword puzzle
Across
  1. An attribute, quality, or characteristic of something
  2. A scientific theory which states that matter is composed of discrete units called atoms
  3. When two or more substances react to form a new substance,the new substance has different properties
  4. Created my the gain or loss of electrons
  5. The number of protons and electrons in the element
  6. A table in which elements are organized by their physical and chemical properties
  7. Carries a negative charge
  8. A substances that is only made up of one type of Atom
  9. When a material changes state, or appearance, but doesn't change its composition
  10. Workplace Hazardous Material Information System
  11. Substance that is produced in the reaction
  12. Substances that start a chemical reaction
Down
  1. The average mass of an element,also known as the atomic mass unit
  2. The release of heat
  3. Smallest part of an element, that contains protons,neutron,being held together by the neutron,with electrons orbiting around.
  4. A formula that identifies the element in a compound and the amount in each element
  5. Made up of protons and neutrons
  6. The absorption of Heat
  7. A law that explains that matter cannot be created nor destroyed
  8. Carries no charge
  9. A pure substance formed when 1 metal and 1 non-metal combine
  10. Carries a positive charge
  11. When 2 or more elements combine
  12. When 2 non-metals combine and create a pure substance
  13. Anything that has mass or occupies space

25 Clues: Carries no charge • The release of heat • The absorption of Heat • Carries a negative charge • Carries a positive charge • Made up of protons and neutrons • When 2 or more elements combine • Created my the gain or loss of electrons • Anything that has mass or occupies space • Substances that start a chemical reaction • Substance that is produced in the reaction • ...

Chemistry Crossword 2015-11-17

Chemistry Crossword crossword puzzle
Across
  1. Pure substance formed when at least one metal and one non-metal combine.
  2. 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.
  3. Group 18 elements in the periodic table; the most stable and unreactive elements.
  4. New substance produced in a chemical reaction between reactants.
  5. Chemical reaction that absorbs energy; example cold pack.
  6. Pure substance formed when non-metals combine.
  7. A pure substance that cannot be broken down into other substances; the substance is made up of only one type of atom.
  8. Metals Group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals.
  9. Number of protons in the nucleus of one atom of an element.
  10. Group of atoms acting as one (for example, carbonate or CO32-).
Down
  1. Principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants.
  2. Substance that helps a chemical reaction to proceed more quickly.
  3. Description of a solid that can be stretched into a long wire.
  4. Change that results when two or more substances react to create a different substance or substances and the new substances have completely different properties from the original ones.
  5. Change in the appearance or state of a substance that does not change the composition.
  6. Chemical reaction that releases energy; example fire.
  7. A reaction that takes place when two or more substances react to form new substances.
  8. Mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu.
  9. Anything that has mass and occupies space.
  10. Description of a substance that can be pounded or rolled into sheets.
  11. Ability of a substance to conduct electricity or heat.
  12. Substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties.
  13. Group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals.
  14. Group 17 elements in the periodic table; the most reactive non-metals.
  15. Atom that has become electrically charged because it has lost or gained electrons.

25 Clues: Anything that has mass and occupies space. • Pure substance formed when non-metals combine. • Chemical reaction that releases energy; example fire. • Ability of a substance to conduct electricity or heat. • Chemical reaction that absorbs energy; example cold pack. • Number of protons in the nucleus of one atom of an element. • ...

chemistry crossword 2015-11-17

chemistry crossword crossword puzzle
Across
  1. They are used to describe matter, like colour or conductivity
  2. Substance that reacts with another substance in a chemical reaction to create new substances with different propeties
  3. A table in which elements are organized by their physical and chemical properties
  4. Number of protons in the nucleus of one atom of an element
  5. States that mass cannot be created or destroyed
  6. Chemical reaction that absorbs energy
  7. Pure substance formed when at least one metal and one non-metal combine
  8. A positively charged particle
  9. Slow chemical change that occurs when oxygen in the air reacts with a metal
  10. Occurs when a material changes from one state o another
  11. Matter which has a specific composition and specific properties / every pure element
  12. Horizontal row of elements in the periodic table
Down
  1. Chemical reaction that releases energy
  2. Vertical column of elements in the periodic table
  3. Pure substance formed when non-metals combine
  4. New substance produced in a chemical reaction between reactants
  5. Mass of one atom of an element
  6. Pure substance that cannot be broken down into other substances
  7. Anything that has mass and takes up space
  8. The most reactive non-metals
  9. Occurs when two or more materials react and create new materials
  10. Elements that have both metallic and non-metallic properties
  11. A system of easy-to-use warning symbols on hazardous materials
  12. Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy

24 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...

chemistry crossword 2015-11-17

chemistry crossword crossword puzzle
Across
  1. Vertical column of elements in the periodic table
  2. They are used to describe matter, like colour or conductivity
  3. Slow chemical change that occurs when oxygen in the air reacts with a metal
  4. New substance produced in a chemical reaction between reactants
  5. Anything that has mass and takes up space
  6. Matter which has a specific composition and specific properties / every pure element
  7. States that mass cannot be created or destroyed
  8. Horizontal row of elements in the periodic table
  9. Pure substance formed when at least one metal and one non-metal combine
  10. Chemical reaction that releases energy
Down
  1. The most reactive non-metals
  2. Pure substance that cannot be broken down into other substances
  3. Occurs when a material changes from one state o another
  4. A table in which elements are organized by their physical and chemical properties
  5. Pure substance formed when non-metals combine
  6. Elements that have both metallic and non-metallic properties
  7. Number of protons in the nucleus of one atom of an element
  8. A system of easy-to-use warning symbols on hazardous materials
  9. Occurs when two or more materials react and create new materials
  10. Substance that reacts with another substance in a chemical reaction to create new substances with different propeties
  11. Mass of one atom of an element
  12. Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy
  13. an atom with a neutral charge is one where the number of electrons is equal to the atomic number
  14. Chemical reaction that absorbs energy
  15. A positively charged particle

25 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...

Chemistry crossword 2015-11-13

Chemistry crossword crossword puzzle
Across
  1. something that helps speed up the chemical reaction
  2. positively charged centre of an atom
  3. a chemical reaction in which heat is abosorbed
  4. able to form the object to something else without breaking it
  5. a compound made from a metal and non-metal elements
  6. a change where a new substance is made
  7. the most reactive element
  8. a compound made with 2 non-metal elements
  9. an experiment in which is one or more products of a chemical reaction can escape
  10. how well the element or compound is able to conduct electricity
  11. a group of atoms joined by covalent bonds
  12. a group of elements that are the most reactive non-metals
  13. hydogen's symbol
  14. a combination of pure chemicals
Down
  1. this is a principle saying that matter cannot be gained or lost in a chemical reaction
  2. a chemical reaction that releases heat
  3. chemical combination of 2 ore more elements in a specific ratio
  4. the metals found in group 1
  5. an element that has the bot metallic and non-metallic properties
  6. number the sum of the number of protons and neutrons in an atom
  7. a change in the appearance.
  8. water's chemical formula
  9. a group of non-metal elements that are the most stable
  10. substance that has a strong resistance to the flow of electricity
  11. neutral particle in the nucleus of an atom

25 Clues: hydogen's symbol • water's chemical formula • the most reactive element • the metals found in group 1 • a change in the appearance. • a combination of pure chemicals • positively charged centre of an atom • a chemical reaction that releases heat • a change where a new substance is made • a compound made with 2 non-metal elements • a group of atoms joined by covalent bonds • ...

Chemistry crossword 2015-11-13

Chemistry crossword crossword puzzle
Across
  1. group 17 elements in the periodic table;the most reactive non-metals
  2. combination of pure substances;unlike a compound,the components of a mixture do not combine chemically and are not always in the same ratio
  3. variations within a species
  4. 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
  5. invisible negatively charged particle that orbits the nucleus of an atom
  6. 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
  7. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  8. pure substance that cannot be broken down into other substances;substance made up of only one type of atom
  9. positively charged particle in the nucleus of an atom
  10. catalyst involved in chemical reactions in living things
  11. ability to do work
Down
  1. horizontal row of elements in the periodic table
  2. positively charged centre of an atom;contains protons and neutrons
  3. substance that helps a chemical reaction to proceed more quickly
  4. amount of mass in a given volume of a substance
  5. element that has both metallic and non-metallic properties
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  7. shiny,malleable,ductile element that conducts electricity
  8. description of a substance that can be pounded or rolled into sheets
  9. new substances produced in a chemical reaction between reactants
  10. group of atoms joined by covalent bonds
  11. chemical combination of two or more elements in a specific ratio
  12. neutral particle in a nucleus of an atom
  13. organic molecules made up of atoms of carbon,hydrogen and oxygen (ex,fats,oils and waxes);lipids are insoluble in water
  14. vertical column of elements in the periodic table;elements in a family all have similar chemical properties;also called a group

25 Clues: ability to do work • variations within a species • group of atoms joined by covalent bonds • neutral particle in a nucleus of an atom • amount of mass in a given volume of a substance • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • catalyst involved in chemical reactions in living things • ...

chemistry crossword 2016-02-25

chemistry crossword crossword puzzle
Across
  1. organic catalyst
  2. negatively charged particle
  3. horizontal column of the periodic table of elects
  4. group 18 on the periodic table of elements
  5. an experiment which all reactants and all products of a chemical reaction are accounted for
  6. vertical column of elements on the periodic table
  7. a reaction that takes place when two or more substances react to form new substances
  8. description of how a substance interacts with other substances such as acids
  9. chemical reaction that releases energy
  10. an element with both metal and non-metal properties
  11. positively charged particle in the nucleus of an atom
Down
  1. a solution in which water is the solvent
  2. chemical combination of two more elements in a specific ratio
  3. substance made of only one type of matter
  4. pure substance formed when non-metals mix
  5. neutral particle the nucleus of an atom
  6. substance that helps speed up chemical reaction
  7. chemical reaction that absorbs energy
  8. change that results when two or more substances react to create a different substance or substances
  9. a formula of symbols that represent a compound
  10. an experiment in which one or more products of a chemical reaction can escape

21 Clues: organic catalyst • negatively charged particle • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle the nucleus of an atom • a solution in which water is the solvent • substance made of only one type of matter • pure substance formed when non-metals mix • group 18 on the periodic table of elements • ...

chemistry crossword 2015-11-10

chemistry crossword crossword puzzle
Across
  1. a fourth state of matter
  2. a change from a liquid to a gas
  3. compound when two non-metals combine
  4. when oxygen reacts with a substance to form a new substance and give off energy
  5. compounds are pure substances consisting of at least one metal and one non-metal
  6. a change from a gas to a liquid
  7. have both metallic and non-metallic properties
  8. the amount of mass in a given volume of substance
  9. properties used to identify matter ex- color and luster
  10. point changes from a solid to liquid
Down
  1. change its appearance or state may be altered,but its composition stays the same
  2. substances ability to resist being scratched
  3. substance that help a reaction proceed faster
  4. is a material that cannot be broken down into any simpler substance
  5. is the ability of a substance to conduct electricity or heat
  6. mass is the mass or one atom or an element
  7. respiration a chemical reaction that takes place in the cells in your body
  8. chemical reaction that releases heat energy
  9. a slow chemical change that occurs when oxygen in the air reacts with a metal
  10. substance that can be pounded or rolled into sheets
  11. mixture different substances that make up the mixture are visible
  12. any solid that can be stretched into a long wire
  13. chemical reaction that absorbs heat energy
  14. the ability of a substance to be dissolved in another
  15. point changes from a liquid to a gas

25 Clues: a fourth state of matter • a change from a liquid to a gas • a change from a gas to a liquid • compound when two non-metals combine • point changes from a liquid to a gas • point changes from a solid to liquid • chemical reaction that absorbs heat energy • mass is the mass or one atom or an element • chemical reaction that releases heat energy • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. A vertical column on the periodic table that have similar properties
  2. When a nonmetal and a nonmetal combine
  3. A form of mixture, milk is one example
  4. A unit used to measure atomic mass
  5. When two elements join, there are ionic and molecular ones
  6. Happens to an atom when it losses or gains electrons
  7. The process of losing heat to turn from a gas to a solid
  8. A horizontal row on the periodic table
  9. A physical property calculated by mass divided by volume
  10. Elements that don’t react much, gases
  11. A positively charged Elementary Particle that is embedded in the Nucleus
  12. A pure substance that can’t be separated any more, 118 of them
Down
  1. Table A table that organizes the elements
  2. A atom model developed by J.J. Thomson
  3. The most reactive group of metals on the periodic table
  4. A neutral charged Elementary Particle that forms part of the Nucleus
  5. When a metal and a nonmetal with ionic charges combine
  6. A pseudo science that involved turning things into gold
  7. Gas to liquid
  8. The person who created the word atom or atomos
  9. The person who came up with the current periodic table
  10. A physical property based on the Moh’s scale
  11. The core or solid center of an atom
  12. A negatively charged Elementary Particle that moves in shells around the nucleus
  13. The fourth state of matter

25 Clues: Gas to liquid • The fourth state of matter • A unit used to measure atomic mass • The core or solid center of an atom • Elements that don’t react much, gases • A atom model developed by J.J. Thomson • When a nonmetal and a nonmetal combine • A form of mixture, milk is one example • A horizontal row on the periodic table • Table A table that organizes the elements • ...

~ Chemistry Crossword ~ 2015-11-19

~ Chemistry Crossword ~ crossword puzzle
Across
  1. they react when exposed to air and water but their reactivity is not as strong as that of the alkali metals.
  2. Are shiny, malleable, ductile and are good conductors
  3. Takes place when 2 or more substances combine to form new substances.
  4. Identifies which elements, and how much of each, are in the compound.
  5. Chemical reaction that absorbs heat energy
  6. found in many different types of animal and plant cells, speeds up the breakdown of hydrogen peroxide into harmless oxygen and water.
  7. is the slow chemical change that occurs when oxygen in the air reacts with a metal
  8. The new materials produced by the reaction
  9. Meaning to go and wonder
  10. have both metallic and non-metallic properties.
  11. Means below
  12. without these, many reactions would require much higher temperatures- a situation that would be deadly to the human body.
  13. common example of corrosion- associated with certain metals (;metal gates, car bumpers etc)
Down
  1. most reactive metals
  2. Most reactive non-metals
  3. Are pure substances formed as a result of the attraction between particles of opposite charges
  4. sodium bicarbonate
  5. Horizontal row
  6. meaning 5
  7. Is measured by atomic mass unit
  8. They can be solids, liquids, or gases at room temperature, insulators and or poor conductors of electricity
  9. are substances that help a reaction proceed faster
  10. The materials at the start of a reacttion
  11. Most stable elements
  12. is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.

25 Clues: meaning 5 • Means below • Horizontal row • sodium bicarbonate • most reactive metals • Most stable elements • Most reactive non-metals • Meaning to go and wonder • Is measured by atomic mass unit • The materials at the start of a reacttion • Chemical reaction that absorbs heat energy • The new materials produced by the reaction • have both metallic and non-metallic properties. • ...