chemistry/ Crossword Puzzles

chemistry project 2020-06-11

chemistry project crossword puzzle
Across
  1. a mutual relationship or connection between two or more things.
  2. relating to the nucleus of an atom.
  3. a change or difference in condition, amount, or level, typically with certain limits.
  4. the speed of something in a given direction.
  5. consistently good in quality or performance; able to be trusted.
  6. a series of events that are regularly repeated in the same order.
  7. a supposition or proposed explanation made on the basis of limited evidence
  8. make an exact copy of; reproduce.
  9. occurring,found, or done often; prevalent.
  10. an amount of space between two things.
  11. Deviation a quantity calculated to indicate the extent.
  12. the action of dividing or splitting something into two or more parts.
  13. the degree of compactness of a substance.
Down
  1. Dioxide a colorless, odorless gas prod used by burning carbon and organic compounds and by respiration.
  2. the end or finish of an event or process.
  3. the fundamental unit of length in the metric system, equal to 100 centimetres.
  4. the process or result of joining two or more things together to form a single entity.
  5. Bang the repaid expansion of matter form a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe.
  6. the effect of one factor depends on the level of an other
  7. as great high, or intense as possible or permitted.
  8. a supposition on the basis of limited evidence as a starting point for further investigation.
  9. acting or done in the same way over time.
  10. a tool or implement now or originally made of iron.
  11. a joining or merging of different parts or qualities in which the component elements are individually distinct.
  12. the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

25 Clues: make an exact copy of; reproduce. • relating to the nucleus of an atom. • an amount of space between two things. • the end or finish of an event or process. • acting or done in the same way over time. • the degree of compactness of a substance. • occurring,found, or done often; prevalent. • the speed of something in a given direction. • ...

Chemistry Crossword 2020-09-02

Chemistry Crossword crossword puzzle
Across
  1. electron, The electrons in the outside shell of atoms. They are the furthest from the center and have the most energy
  2. The property of unstable atoms that emit to nuclear radiation
  3. Change, A change in which does not change the original substance
  4. State, When an electron temporarily occupies an energy state greater than its ground state
  5. Atoms with the same number of protons, but different numbers of neutrons
  6. Change, A change in which a substance is changed into a different one
  7. Used to make the same amount of atoms on either side of the arrow to make the equation balanced.
  8. Indicates the charge of an ion.
  9. Vertical on the periodic table, the ___________ number indicates the number of valence electrons
  10. The number of atoms chemically bonded together.
  11. The ability to be drawn out into long, thin wires
  12. Made up of 2 or more atoms
  13. Made up of a single atom
  14. Atoms that lose or gain electrons to have a full valence shell, therefore giving the atoms a positive or negative charge
Down
  1. Mass, The average mass of atoms of an element
  2. What makes a chemical reaction happen?
  3. State, The state of lowest energy for that electron
  4. What the matter is made of
  5. Orbits the nucleus
  6. Horizontal on the periodic table and indicates the number of shells occupied
  7. Metals, Groups 3-12 on the periodic table
  8. Bonding, Chemical bonding that rises from electrostatic force between conduction electrons and positively charged metal ions
  9. The state that the matter is in (for example: (l), (s), (g), (aq).)
  10. Symbolic representation of a chemical reaction
  11. Contains two or more pure substances.
  12. What does a chemical reaction produce?
  13. Number, Number of protons in the nucleus of an atom
  14. How the matter is put together
  15. The amount of mass packed into matter

29 Clues: Orbits the nucleus • Made up of a single atom • What the matter is made of • Made up of 2 or more atoms • How the matter is put together • Indicates the charge of an ion. • Contains two or more pure substances. • The amount of mass packed into matter • What makes a chemical reaction happen? • What does a chemical reaction produce? • Metals, Groups 3-12 on the periodic table • ...

chemistry crossword 2020-06-11

chemistry crossword crossword puzzle
Across
  1. in agreement with something
  2. the act process or accident of varying in condition character or degree
  3. Used as a container.
  4. mass of a unit volume of material substance.
  5. An atom is the smallest constituent unit of ordinary matter that constitutes a chemical element
  6. A diagram showing the relation between variable quantities.
  7. haw far something is
  8. The longest extent of anything as measured from end to end.
  9. size of an item or product
  10. two surfaces that are close to the point where they need.
  11. anything having mass and taking up space
  12. Slot onto same place.
Down
  1. an action which is influenced by other action
  2. a rearrangement of atoms into new substances
  3. pieces of information
  4. the degree of loudness or the intensity of a sound
  5. Introducing Velocity Saving time and money, everyday
  6. as the form of an object
  7. the largest value assumed by a real-valued continuous function defined on a closed interval.
  8. carrying capacity of an aircraft or launch
  9. usable power such as electricity
  10. how hot or cold something is
  11. The distance traveled per unit of time.
  12. sharp end or tool
  13. a form of address for a woman

25 Clues: sharp end or tool • Used as a container. • haw far something is • pieces of information • Slot onto same place. • as the form of an object • size of an item or product • in agreement with something • how hot or cold something is • a form of address for a woman • usable power such as electricity • The distance traveled per unit of time. • anything having mass and taking up space • ...

Chemistry Vocab 2020-09-04

Chemistry Vocab crossword puzzle
Across
  1. Abbreviations; usually one or two letters from the Latin alphabet.
  2. A liquid mixture in which the minor component is uniformly distributed within the major compound.
  3. Any of a material's properties that becomes evident during, or after, a chemical reaction.
  4. When a substance combines with another to form a new substance.
  5. The action or process of filtering something.
  6. A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or nuclear reaction.
  7. A thing that is composed of two or more separate elements; a mixture
  8. Made up of individual atoms, elemental molecules made from one type of atom, or compound molecules made from various atoms.
  9. A substance made by mixing other substances together.
  10. A distinct period or stage in a series of events or a process of change or development.
  11. A column of elements in the periodic table, there 18 numbered groups.
  12. A property of physical body, and a measure of its resistance to acceleration when a net force is applied.
  13. A particular kind of matter with uniform properties.
  14. Each of more than 100 substances that cannot be chemically interconverted or broken down into simpler substances.
  15. The action of purifying a liquid by a process of heating and cooling.
  16. The species formed from chemical reaction.
  17. Firm and stable in shape; not liquid or fluid.
Down
  1. A property that is measureable, whose values describes a state of a physical system.
  2. A table of the chemical elements arranged in order of atomic number, usually in rows so elements with similar atomic structure appear in columns.
  3. A substance separated from a solution or suspension by chemical or physical change usually as an insoluble or amorphous crystaline solid.
  4. Changes affecting the form of a chemical substance, but not its chemical composition.
  5. A solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
  6. the horizontal rows on the periodic table; corresponds to the successive occupation of the orbitals in a valence shell of the atom.
  7. A substance that takes part in and undergoes change during a reaction.
  8. Physical quantity whose value is proportional to the size or system it describes, or to the quantity of matter in the system.
  9. Does not depend on the quantity of matter.
  10. Mass is neither created or destroyed.
  11. the amount of space that a substance or object occupies, or that is enclosed within a container.
  12. A nearly incompressible fluid that conforms to the shape of its container, but retains a constant volume.
  13. A mixture that has components in which proportions vary throughout the sample.
  14. A substance diffused or suspended in the air, especially one normally liquid or solid.

31 Clues: Mass is neither created or destroyed. • Does not depend on the quantity of matter. • The species formed from chemical reaction. • The action or process of filtering something. • Firm and stable in shape; not liquid or fluid. • A particular kind of matter with uniform properties. • A substance made by mixing other substances together. • ...

Nuclear Chemistry 2020-12-07

Nuclear Chemistry crossword puzzle
Across
  1. a synthetic element whose atomic number is greater than that of uranium (atomic number 92)
  2. a device that measures the approximate amount of radiation received in a given period of time by people who work with radiation
  3. a nuclide produced by the radioactive decay of another nuclide
  4. a nuclide that contains isotopes that decay and that emit radiation
  5. an instrument that detects and measures the intensity of radiation by counting the number of electric pulses that pass between the anode and the cathode in a tube filled with gas
  6. the numbers (2, 8, 20, 28, 50, 82, and 126) that represent the number of particles in an extra stable atomic nucleus that has completed shells of protons and neutrons
  7. the process by which the approximate age of an object is determined based on the amount of certain radioactive nuclides present
  8. the transformation of atoms of one element into atoms of another element as a result of a nuclear reaction, such as bombardment with neutrons
  9. the disintegration of an unstable atomic nucleus into one or more different nuclides, accompanied by the emission of radiation, the nuclear capture or ejection of electrons, or fission
  10. a positively charged atom that is released in the disintegration of radioactive elements and that consists of two protons and two neutrons
  11. a radiation-absorbing material that is used to decrease radiation leakage from nuclear reactors
  12. the time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope
  13. a reaction that affects the nucleus of an atom
  14. the difference between the mass of an atom and the sum of the masses of the atoms protons, neutrons, and electrons
  15. a unit of radiation dose of X rays or gamma rays that is equal to the amount of radiation that will produce 2.58 x 10-4 of ions per kilogram of air at atmospheric pressure
  16. a reaction in which the material that starts the reaction is also one of the products and can start another reaction
  17. a series of radioactive nuclides produced by successive radioactive decay until a stable nuclide is reached
  18. an instrument that converts scintillating light into an electrical signal for detecting and measuring radiation
  19. a change in the identity of a nucleus as a result of a change in the number of its protons
  20. an atom that is identified by the number of protons and neutrons in its nucleus
  21. a radionuclide that yields a specific daughter nuclide as a later member of a radioactive series
  22. the high-energy photon emitted by a nucleus during fission and radioactive decay
Down
  1. a charged electron emitted through certain types of radioactive decay, such as beta decay
  2. a radioactive material that is added to a substance so that its distribution can be detected later
  3. waste that contains radioisotopes
  4. a facility that uses heat from nuclear reactors to produce electrical energy
  5. a neutron-absorbing rod that helps control a nuclear reaction by limiting the numbers of free neutrons
  6. the splitting of the nucleus of a large atom into two or more fragments; releases additional neutrons and energy
  7. the particles that are released from the nucleus during radioactive decay, such as neutrons, electrons, and photons
  8. a particle that has the same mass and spin as an electron but that has a positive charge
  9. a model that represents nucleons as existing in different energy levels, or shells, in the nucleus
  10. the process in which an inner orbital electron is captured by the nucleus of an atom that contains the electron
  11. the quantity of ionizing radiation that does as much damage to human tissue as 1 roentgen of high-voltage x rays does
  12. the minimum mass of a fissionable isotope that provides the number of neutrons needed to sustain a chain reaction
  13. the energy released when a nucleus is formed from nucleons
  14. a device that uses controlled nuclear reactions to produce energy or nuclides
  15. the combination of the nuclei of small atoms to form a larger nucleus, releases energy
  16. a proton or neutron
  17. a material that slows the velocity of neutrons so that they may be absorbed by the nuclei

39 Clues: a proton or neutron • waste that contains radioisotopes • a reaction that affects the nucleus of an atom • the energy released when a nucleus is formed from nucleons • a nuclide produced by the radioactive decay of another nuclide • a nuclide that contains isotopes that decay and that emit radiation • ...

Nuclear Chemistry 2020-12-15

Nuclear Chemistry crossword puzzle
Across
  1. a subatomic particle with no charge
  2. composed of neutrons and protons
  3. combining nuclei of two atoms to form a heavier atom
  4. unstable atomic nucleus loses energy by radiation
  5. The nuclei split into smaller fragments
  6. number of protons and neutrons in the nucleus of an atom
  7. measured in rems
  8. smallest particle of an element
  9. an electron resulting from the breaking apart of neutrons in an atom
  10. identical to the Helium nucleus
Down
  1. positively charged subatomic particle
  2. amount of time it takes for half of a radioactive element to transform into something else
  3. negatively charged subatomic particle
  4. an atom or group of atoms that has a positive or negative charge
  5. composed with protons and neutrons
  6. number of protons in the nucleus
  7. simplest form of matter that has a unique set of properties
  8. rearrangement of DNA when hit by radiation
  9. has no mass, can be stopped by several inches of lead (pure energy)
  10. atoms of the same element with different numbers of neutrons
  11. occurs when an unhappy nucleus ejects 2 protons and 2 neutrons

21 Clues: measured in rems • smallest particle of an element • identical to the Helium nucleus • composed of neutrons and protons • number of protons in the nucleus • composed with protons and neutrons • a subatomic particle with no charge • positively charged subatomic particle • negatively charged subatomic particle • The nuclei split into smaller fragments • ...

Chemistry Crosswords 2020-12-14

Chemistry Crosswords crossword puzzle
Across
  1. The physical property of an object that can only be measured under a microscopic level.
  2. Fixed mass, fixed volume, definite shape
  3. Dependent of the quantity of matter present
  4. Measurement of the amount of matter in an object
  5. Quantitate measurement of how cold or hot an object it
  6. Independent of the quantity of matter present
  7. The physical property of an object that can be manipulated on a visible level with naked eye
Down
  1. A lab equipment that is cylindrical and have a flat bottom
  2. When an object turns into the liquid state with certain requirements
  3. The conversion of gas into liquid
  4. A characteristic of matter that is not associated with a change in its chemical composition
  5. Fixed mass, fixed volume, Not fixed shape
  6. The state of liquid or solid turning into the gaseous state
  7. Anything with mass and volume that takes up space
  8. one chemical substance is transformed into one or more different substances
  9. Changed form but substance remains the same
  10. Unfixed mass, unfixed volume, no definite shape, high energy level
  11. During a reaction, the chemical composition changed
  12. The space occupied by an object
  13. The state where liquid turns into solid due to meeting the requirement of temperature

20 Clues: The space occupied by an object • The conversion of gas into liquid • Fixed mass, fixed volume, definite shape • Fixed mass, fixed volume, Not fixed shape • Dependent of the quantity of matter present • Changed form but substance remains the same • Independent of the quantity of matter present • Measurement of the amount of matter in an object • ...

Chemistry Puzzle 2020-12-02

Chemistry Puzzle crossword puzzle
Across
  1. I am a member of the nitrogen family with 16 neutrons
  2. I am the only nonmetal that is liquid at room temperature
  3. I am an alkali metal used to make fertilizer
  4. I make up 78% of the atmosphere
  5. I am the second most abundant element in the Earth's crust and used to make computers
  6. In addition to copper and cesium, I am a metal that is not silver or gray in color
  7. I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell
  8. I am a metal in the carbon family in the 5th period
  9. I am a member of the carbon family and often mistaken for the end of your pencil
  10. I am a metal that is liquid at room temperature
  11. I am not really an alkali metal
  12. I am an alkaline earth metal used to make white fireworks and upset stomach medicine
  13. I am a metal with 28 electrons
Down
  1. I am a gas with 8 protons and 8 neutrons
  2. My atomic mass is 35.453
  3. I have 20 neutrons and am found in bones and teeth
  4. I have 26 protons
  5. If I am present in a compound, it is called an organic compound
  6. I am a transition metal found inside a new penny
  7. I am a transition metal with 25 electrons
  8. My atomic number is 47 and I am used to make photographic films
  9. I am a soft metal that reacts with water, and I am the most abundant metal in the ocean
  10. I am a halogen that appears purple or yellow
  11. I am a gas with a mass number of 18.99 amu
  12. I am the smallest noble gas
  13. I am a member of the boron family and the most abundant metal in the Earth's crust

26 Clues: I have 26 protons • My atomic mass is 35.453 • I am the smallest noble gas • I am a metal with 28 electrons • I make up 78% of the atmosphere • I am not really an alkali metal • I am a gas with 8 protons and 8 neutrons • I am a transition metal with 25 electrons • I am a gas with a mass number of 18.99 amu • I am an alkali metal used to make fertilizer • ...

Chemistry crossword 2020-12-18

Chemistry crossword crossword puzzle
Across
  1. a mixture of two or more metals
  2. a method to separate colors using solubility
  3. a liquid that other substances will dissolve in
  4. no more of the solute will dissolve in ... solution
  5. mixed substances that are not chemically bonded
  6. there are 118 of them
  7. acid+alkali=
  8. evenly spread caused by random movements
  9. two or more atoms bonded together
  10. rows in periodic table
Down
  1. a substance that is dissolved
  2. squash together
  3. a new substance made in a reaction
  4. gas ... is more when higher temperature
  5. shorthand way of referring to an element
  6. ... of mass the principle of solution
  7. a tiny particle of matter
  8. when gas is changing to liquid
  9. motion that moves randomly caused by bumps
  10. a substance that is made of only one type of atom
  11. columns in periodic table
  12. a substance that cant' dissolve

22 Clues: acid+alkali= • squash together • there are 118 of them • rows in periodic table • a tiny particle of matter • columns in periodic table • a substance that is dissolved • when gas is changing to liquid • a mixture of two or more metals • a substance that cant' dissolve • two or more atoms bonded together • a new substance made in a reaction • ... of mass the principle of solution • ...

Chemistry Vocabulary 2020-12-14

Chemistry Vocabulary crossword puzzle
Across
  1. the basic unit of a chemical element
  2. an extremely tiny particle with a positive charge; is in the center of the atom and makes up the nucleus
  3. the mass of an atom of a chemical element expressed in atomic mass units
  4. a heterogenous mixture in which some of the particles settle out of the mixture upon standing
  5. a energy level defined by quantum theory
  6. a diagram that represents the variation of a variable
  7. where electrons are likely to be found
  8. a combination of two or more substances
  9. a variable that depends on other factors
  10. a pure substance that is made up of two or more different elements combined by chemical bonds
  11. a simple way of writing down the locations of all the electrons in an atom
  12. in the center of the atom with the protons making up the nucleus
  13. the number of digits in a value
  14. the energy required to remove an electron from an atom
  15. electrons in the outermost shell
  16. a physical substance
  17. the tendency of an atom to attract an electron to itself
  18. any of two or more forms of a chemical element
Down
  1. a positively charged ion
  2. a model presented by niels bohr and ernest rutherford in 1913
  3. a row of elements in the periodic table
  4. a variable that stands alone
  5. a negatively charged ion
  6. a process for experimentation that is used to explore observations and answer questions
  7. the number of protons in the nucleus of an atom
  8. a type of matter that has definite chemical and physical properties
  9. a group of atoms bonded together
  10. physically combined; can be separated
  11. a negative charge that surrounds the nucleus
  12. objects, events, ideas, feelings, time periods, or any other types of categories that you are trying to measure
  13. heterogenous, even though it looks homogenous
  14. a pure substance that contains of only one kind of atom
  15. a way of representing atoms or molecules as dots surrounding the element symbols
  16. a table of chemical elements arranged in order of atomic number
  17. the central part of the atom; contains protons and neutrons
  18. fixed distances from the nucleus of an atom where electrons may be found
  19. the size of a neutral atom
  20. specific patterns that are presented in the periodic table
  21. the number of protons minus the number of electrons
  22. a column of elements in the periodic table
  23. the chemical element in group 18 of the periodic table

41 Clues: a physical substance • a positively charged ion • a negatively charged ion • the size of a neutral atom • a variable that stands alone • the number of digits in a value • a group of atoms bonded together • electrons in the outermost shell • the basic unit of a chemical element • physically combined; can be separated • where electrons are likely to be found • ...

Organic Chemistry 2021-03-09

Organic Chemistry crossword puzzle
Across
  1. formed when one or more of the hydrogen atoms of ammonia are replaced by an alkyl group.
  2. Organic Compounds containing only single bonds
  3. the reaction between an organic acid and an alcohol to produce an ester plus water
  4. formed when a carbonyl group (-C=O) is found on an interior carbon atom that is attached to two other carbon atoms.
  5. a molecular formula that can be represented by more than one structural arrangement
  6. a homologous series of organic compounds whose functional group is a carboxyl group (-COOH)
  7. homologous series of saturated hydrocarbons that release energy when burned
  8. organic compounds whose type formula is R-CO-OR.
  9. contain the carboxylic group (-COOH) but also contain an amine group
  10. organic compounds that contain only atoms of hydrogen and carbon
  11. Compounds containing one or more double or triple covalent bonds
  12. atoms or groups of atoms that replace hydrogen atoms in a hydrocarbon and give the compound distinctive physical and chemical properties
  13. organic compounds made up of chains of smaller units contently bonded together.
Down
  1. when an ester reacts with an inorganic base to produce an alcohol and a soap
  2. homologous series of unsaturated hydrocarbons that contain one triple bond
  3. each member of this series contains one double covalent bond
  4. involves the replacement of one or more of the hydrogen atoms in a saturated hydrocarbon with another atom or group
  5. involve adding one or more atoms at a double or triple bond.
  6. a chemical process in which yeast cells secrete the enzyme zymase and break the six carbon chain of sugars into carbon dioxide and two carbon fragments of alcohol
  7. a compound formed by the combination of the two amino acids
  8. organic compounds in which the carbonyl group is found at the end of the carbon
  9. formation of these larger polymer molecules is called this in which each individual unit of a polymer is called a monomer.
  10. series of organic compounds in which two carbon chains are joined together by an oxygen atom bonded between two carbon atoms
  11. When a halogen replaces a hydrogen atom in an alkane, the compound is called this
  12. organic compounds in which one or more hydrogen atoms of a hydrocarbon are replaced by an OH- group

25 Clues: Organic Compounds containing only single bonds • organic compounds whose type formula is R-CO-OR. • a compound formed by the combination of the two amino acids • each member of this series contains one double covalent bond • involve adding one or more atoms at a double or triple bond. • organic compounds that contain only atoms of hydrogen and carbon • ...

CARBONYL CHEMISTRY 2021-03-10

CARBONYL CHEMISTRY crossword puzzle
Across
  1. Enol form is preferred over a keto form mostly in cases of _________ hydrogen bonding
  2. Benzaldehyde in the presence of potassium cyanide undergoes a type of condensation reaction to give this product
  3. Primary reactant of Benzil-Benzilic Rearrangement.
  4. Preparation of Phosphorus ylide in wittig reaction involves a SN ___ attack by triphenyl phosphine on an alkyl halide (in words)
  5. A non aromatic nitrogen containing base used in Knoevenagel Condensation
  6. A stronger oxidising agent than Pyridinium dichromate (PDC) and more acidic in nature (Pyridinium ___________)
  7. This ester CANNOT undergo ketonic hydrolysis (common name)
  8. Common reagent in MPV Reduction is Aluminium __________
  9. When intra or intermolecular proton exchange takes place in a mechanism, it is called ___________ interconversion (hint: mobile atom is a proton)
Down
  1. Alcohols and ketones without terminal ________ group cannot undergo haloform reaction
  2. Benzaldehyde reacts with acetic anhydride in the presence of sodium acetate to give this acid
  3. Avery well known reagent for Baeyer Villiger oxidation, known to give rapid reaction due to its high electron withdrawing tendency ( name of the peracid)
  4. Type of addition reaction where a carbanion nucleophile attacks an alpha,beta-unsaturated carbonyl compound: _________ Addition
  5. The cyclic intermediate in Wittig reaction formed by cyclo addition of the reactants
  6. General name of the nucleophilic intermediate produced in the first step of aldol condensation
  7. Acetone + Iodine + Potassium hydroxide ---> pale yellow ppt. Reaction name is _______
  8. An acid sensitive carbonyl compound will be converted to alkane using this reduction.
  9. Cannizaro Reaction takes place in the absence of ______ hydrogen in the carbonyl compound
  10. Cyclohexanone reacts with hydroxylamine in the presence of sulphuric acid to give (common name)
  11. Mechanism of converting aldol products back to its predecessor aldehyde or ketone: _______ aldol

20 Clues: Primary reactant of Benzil-Benzilic Rearrangement. • Common reagent in MPV Reduction is Aluminium __________ • This ester CANNOT undergo ketonic hydrolysis (common name) • A non aromatic nitrogen containing base used in Knoevenagel Condensation • The cyclic intermediate in Wittig reaction formed by cyclo addition of the reactants • ...

Chemistry Review! 2021-03-12

Chemistry Review! crossword puzzle
Across
  1. central atom in CO2
  2. type of bond formed by sharing of electrons
  3. "made up" word that lists all the diatomic elements
  4. type of bond formed when sharing of electrons is unequal
  5. element with twelve protons
  6. scientific name of water
  7. molecular geometry of SH2
  8. number of needed electrons for chlorine to have a full valence
  9. number of dots in the Lewis structure for arsenic
  10. group of atoms bonded tightly together and carry a charge
  11. represented by two lines in a structural diagram
  12. name of group 18
  13. phase of matter with a definite shape and volume
  14. located to the right of the stepline
  15. number of electrons for hydrogen to have a full valence
  16. molecular geometry with 3 atoms and 1 lone pair on the central atom
  17. group 12 element with possible oxidation states are +1 and +2
  18. atom with the partial negative charge in OF2
  19. name of Ca(OH)2
  20. central atom in OF2
  21. type of bond present in Cl2
  22. name of Sr3N2
  23. compound composed of two types of elements
Down
  1. electron geometry of CH2O
  2. energy, amount of energy required to remove an electron
  3. goal of bonding for each element
  4. type of bond in CO
  5. most electronegative atom
  6. type of bond formed when sharing of electrons is equal
  7. calculated by subtracting needed and available electrons
  8. electron geometry with four electron groups around the central atom
  9. type of bond formed by a complete transfer of electrons
  10. total number of lone pairs in the molecule CF4
  11. name of XeF4
  12. group, atoms + lone pairs
  13. most reactive metals
  14. ability of an atom to attract an electron
  15. number of electrons that make up one covalent bond
  16. electron geometry of HCN
  17. electrons that are not bonded and drawn as dots
  18. number of total bonds in CBr4
  19. atom with the largest atomic radius
  20. always form nonpolar bonds
  21. number of valence electrons in the oxygen group

44 Clues: name of XeF4 • name of Sr3N2 • name of Ca(OH)2 • name of group 18 • type of bond in CO • central atom in CO2 • central atom in OF2 • most reactive metals • scientific name of water • electron geometry of HCN • electron geometry of CH2O • most electronegative atom • molecular geometry of SH2 • group, atoms + lone pairs • always form nonpolar bonds • element with twelve protons • ...

Chemistry Vocabulary 2016-12-01

Chemistry Vocabulary crossword puzzle
Across
  1. The electrical charge of the electron
  2. The basic building block of most of the matter around us
  3. A chart of the elements
  4. The eighteenth family on the periodic table they are non reactive
  5. Change that results in the formation of a new substance
  6. Vertical column in the periodic table
  7. A group of elements that have properties of both metals and nonmetals
  8. Electrical property that can be either positive or negative
  9. Measure of an atom's mass that is equal to the number of protons and neutrons in the atom's nucleus
  10. The process in which bubbles of gas form throughout a liquid and rise to the surface
Down
  1. The first family on the periodic table they are very reactive
  2. The second family on the periodic table
  3. The temperature at which a substance boils
  4. Force that holds atoms together in molecules
  5. The positive negatively charged subatomic particle that is located in the nucleus of an atom
  6. The energy that is stored in chemical bonds
  7. The neutrally charged subatomic particle that is located inside the nucleus of an atom
  8. The number of protons in the nucleus of an atom
  9. The electrical charge of the proton
  10. Anything that has mass and takes up space

20 Clues: A chart of the elements • The electrical charge of the proton • The electrical charge of the electron • Vertical column in the periodic table • The second family on the periodic table • Anything that has mass and takes up space • The temperature at which a substance boils • The energy that is stored in chemical bonds • Force that holds atoms together in molecules • ...

Chemistry Vocabulary 2016-11-29

Chemistry Vocabulary crossword puzzle
Across
  1. the temperature at which a substance melts
  2. metallic elements that occupy the largest part of the periodic table
  3. a model that shows how the electrons circle the nucleus
  4. the ability of a substance to be hammered or pressed into a shape without breaking
  5. a substance made by mixing other substances together
  6. the mass of a chemical element
  7. a substance that is formed when two or more chemical elements are chemically bonded together
  8. a subatomic particle with a positive charge
Down
  1. change that affects the form of a chemical substance but not its chemical composition
  2. gascous element occupying group 18 of the periodic table
  3. change that results with the formation of new substances
  4. the basic unit of life
  5. elements that have properties of metals and non-metals
  6. the temperature at which a substance boils
  7. Table a table that organizes the elements according to their number of protons
  8. a substance particle with a negative charge
  9. a subatomic particle that doesn't have a charge
  10. a part of science that deals with the identifications and properties of matter
  11. a substance of atoms which have the same number of protons
  12. a group of atoms that have the same chemical compound

20 Clues: the basic unit of life • the mass of a chemical element • the temperature at which a substance melts • the temperature at which a substance boils • a substance particle with a negative charge • a subatomic particle with a positive charge • a subatomic particle that doesn't have a charge • a substance made by mixing other substances together • ...

Nuclear Chemistry 2017-06-14

Nuclear Chemistry crossword puzzle
Across
  1. a reactor able to produce more fuel than it uses
  2. a very fast moving electron that has been emitted from a neutron of an unstable nucleus
  3. a sample that is massive enough to sustain a chain reaction
  4. mass greater than critical mass
  5. the combining of atomic nuclei
  6. atoms which produce scintillations
  7. high energy electromagnetic radiation
  8. protons and neutrons
  9. same composition of a helium nucleus
  10. the difference in mass between a nucleus and its component nuclei
  11. the location of stable nuclei on a graph
  12. invisible rays emitted when electrons bombard the surface of certain materials
Down
  1. the splitting of a nucleus into fragments
  2. the rays and particles emitted by a radioactive source
  3. isotopes of atoms with unstable nuclei
  4. Another name for a fusion reaction
  5. Not massive enough to sustain a chain reaction
  6. the time required for one half of a radioisotope's nuclei to decay
  7. the conversion of an atom of one element to an atom of another
  8. a radioisotope which emits non ionizing radiation and is used to signal the presence of an element

20 Clues: protons and neutrons • the combining of atomic nuclei • mass greater than critical mass • Another name for a fusion reaction • atoms which produce scintillations • same composition of a helium nucleus • high energy electromagnetic radiation • isotopes of atoms with unstable nuclei • the location of stable nuclei on a graph • the splitting of a nucleus into fragments • ...

Chemistry 4 2017-06-21

Chemistry 4 crossword puzzle
Across
  1. The type of digestion that treats effluent in waste water treatment.
  2. What planet has an atmosphere that resembles the Earth's first atmosphere?
  3. A human product that can contaminate water sources.
  4. A process that can carry on indefinitely without affecting future generations.
  5. The amount of greenhouse gases emitted over the full lifecycle of a product.
  6. and Algae What two types of organisms were the first to produce oxygen?
  7. Removal of solids from water
  8. The process of killing microorganisms in water.
  9. What greenhouse gas is released by cattle farms?
  10. The correct term for destruction of forests.
  11. Which gas burns with a squeaky pop?
Down
  1. What is bleached by chlorine gas?
  2. A resource that can be replaced at the same rate it is used.
  3. What released the gases that made up the Earth's first atmosphere?
  4. A material that contains only one element or compound.
  5. The formation of which rock type removed CO₂ from the air?
  6. Making salt water drinkable.
  7. The main pollutant from agriculture that can affect rivers.
  8. What gas made up the majority of the Earth's early atmosphere?
  9. What process created the oxygen in the atmosphere?
  10. A product made from an artificial process.
  11. Water that is drinkable
  12. What chemical is used to test for Carbon Dioxide?
  13. The type of digestion that treats solid matter in waste water treatment.

24 Clues: Water that is drinkable • Making salt water drinkable. • Removal of solids from water • What is bleached by chlorine gas? • Which gas burns with a squeaky pop? • A product made from an artificial process. • The correct term for destruction of forests. • The process of killing microorganisms in water. • What greenhouse gas is released by cattle farms? • ...

Chemistry exam 2018-06-07

Chemistry exam crossword puzzle
Across
  1. Empuje o atracción que se ejerce sobre un objeto... F____
  2. Ritmo al que cambia la velocidad... A____
  3. partícula básica de la que todos los elementos están formados... A____
  4. Instrumento óptico que usa lentes para enfocar la luz para grabar la imagen de un objeto... C____
  5. Ondas electromagnéticas con longitudes de ondas más cortas... M____
  6. Poder de atracción o repulsión de los materiales magnéticos... M____
  7. Estado de la materia que no tiene forma definida, pero si de volumen definido... L____
  8. química Forma corta y sencilla de mostrar una reacción química usando símbolos... E____Q____
  9. eléctrico Trayecto completo y continuo a través del cual pueden fluir las cargas eléctricas... C____E____
  10. medida del espacio entre dos puntos... D____
  11. Estructura flexible que enfoca la luz que entra al ojo... L____
Down
  1. auditivo Región estrecha que conecta el exterior del oído humano con el tímpano... C____A____
  2. Capacidad para realizar un trabajo o producir cambios... E____
  3. Instrumento con una aguja imantada que puede girar libremente. La aguja siempre gira hacia el norte... B____
  4. estudio de las propiedades de la materia y de sus cambios... Q____
  5. Instrumento que permite que los objetos pequeños se vean más grandes... M____
  6. eléctrico Instrumento que convierte la energía eléctrica en energía mecánica... M____E
  7. Membrana pequeña, tensa y extendida como la de un tambor... T____
  8. Evaporación que ocurre en y bajo la superficie del liquido... E____
  9. Medida de cuanta materia hay en un cuerpo... M____
  10. Material que atrae hierro o materiales que contienen hierro... I____
  11. tejido transparente que cubre la parte delantera del ojo... C____
  12. estado de la materia sin forma ni volumen definidos... G____
  13. Trasferencia de energía térmica de un cuerpo mas cálido a uno menos cálido... C____

24 Clues: Ritmo al que cambia la velocidad... A____ • medida del espacio entre dos puntos... D____ • Medida de cuanta materia hay en un cuerpo... M____ • Empuje o atracción que se ejerce sobre un objeto... F____ • estado de la materia sin forma ni volumen definidos... G____ • Capacidad para realizar un trabajo o producir cambios... E____ • ...

Chemistry Crossword 2018-06-08

Chemistry Crossword crossword puzzle
Across
  1. chemical reaction that releases heat energy
  2. mixture in which the different substances are visible
  3. when a new substance is formed and non-reversible
  4. can be in between metals and non-metals
  5. the number of protons in the nucleus of an atom
  6. mixture of two or more pure substances that look like one substance
  7. can eat away or corrode
  8. contaminated material that is a threat to humans and health
  9. substances in a reaction
  10. chemical reaction that absorbs heat energy
Down
  1. pure substance that cannot broken down any further
  2. workplace hazardous materials information system
  3. change in appearance or state
  4. ability to conduct electricity or heat
  5. the mass of all protons and neutrons in an atom
  6. when a solid changes to a gas
  7. when non-metal combine
  8. the mixture of magic and chemistry
  9. when a gas changes to a solid
  10. shiniest of a substances,
  11. electrically charged atoms
  12. made up of one type of matter
  13. the center of an atom
  14. the horizontal rows on the periodic table
  15. a compound of a metal and non-metal

25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • change in appearance or state • when a solid changes to a gas • when a gas changes to a solid • made up of one type of matter • the mixture of magic and chemistry • a compound of a metal and non-metal • ...

Chemistry Crossword 2018-11-06

Chemistry Crossword crossword puzzle
Across
  1. Pure substance formed when at least one metal and one non-metal combine
  2. French chemist who created a nomenclature for naming compounds
  3. Number of protons in the nucleus of one atom of an element
  4. Columns in the periodic table labelled 1-18
  5. Pure substance formed when non-metals combine
  6. Rows in the periodic table labelled 1-7
  7. New materials produced by the reaction
  8. Substances that help a reaction proceed faster
  9. Chemical reaction that absorbs heat energy
  10. Mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu
  11. Workplace Hazardous Material Information System
Down
  1. A table in which the elements are organized by their physical and chemical properties
  2. Solid or gas; solids are dull, brittle elements
  3. Anything that has mass and occupies space
  4. Chemical reaction that takes place in the cells in your body
  5. Below
  6. Have metallic and non-metallic properties
  7. Chemical reaction that releases heat energy
  8. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  9. More than two elements combine
  10. Pure substance that cannot be broken down into other substances; substance only made up of one type of atom
  11. Materials at the start of a reaction
  12. Shiny, malleable, and ductile
  13. Slow chemical change that occurs when oxygen in air reacts with a metal

24 Clues: Below • Shiny, malleable, and ductile • More than two elements combine • Materials at the start of a reaction • New materials produced by the reaction • Rows in the periodic table labelled 1-7 • Anything that has mass and occupies space • Have metallic and non-metallic properties • Chemical reaction that absorbs heat energy • Chemical reaction that releases heat energy • ...

Chemistry crossword 2018-11-07

Chemistry crossword crossword puzzle
Across
  1. a new substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties
  2. ability to dissolve into another
  3. when two or more substance react to form a new substance. The new substance has different properties from the original
  4. the point where a substance boils
  5. change of state from liquid to solid
  6. the point where a substance melts
  7. a cloudy mixture where you can see the different parts
  8. a mixture where you can see the different parts
  9. an element is identified by this
  10. a mixture where you can not see the different parts
  11. chemical combination of two or more elements
  12. made up of one type of matter and has a unique set of characteristics
  13. a new substance produced in a chemical reaction between reactants
  14. anything that has mass and occupies space
Down
  1. change of state from liquid to gas
  2. the shininess of a substance
  3. when material changes state (or appearance) but not composition
  4. a cloudy mixture where you can not see the different parts
  5. when non-metals combine, they produce a new pure substance called this
  6. change of state from gas to liquid
  7. change of state from gas to solid
  8. substance made up of only one type of atom
  9. pure substances formed as a result of the attraction between particles of opposite charges called ions
  10. characteristics that can be used to describe a substance
  11. average weight of an element

25 Clues: the shininess of a substance • average weight of an element • ability to dissolve into another • an element is identified by this • the point where a substance boils • the point where a substance melts • change of state from gas to solid • change of state from liquid to gas • change of state from gas to liquid • change of state from liquid to solid • ...

chemistry 1 2019-03-18

chemistry 1 crossword puzzle
Across
  1. subatomic particles with a positive charge
  2. a physical combination of matter in any proportion
  3. multiples of ten
  4. the study of substances that contain the element carbon
  5. substance that releases oxygen
  6. characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
  7. a stable physical mixture of two or more substances
  8. a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
  9. the substance that is dissolved in a solution
  10. any substance that occupies spaces spaces and has mass
  11. subatomic particles with no charge
Down
  1. liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
  2. a chemical combination of two or more atoms in definite proportions
  3. a chemical combination of matter in definite proportions
  4. alcohols that evaporate easily
  5. a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
  6. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  7. a chemical reaction that combines a substance with oxygen to produce an oxide
  8. the substance that dissolves the solute and makes it a solution
  9. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  10. special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
  11. the quantity of hydrogen ions
  12. the concentration of surface active agents
  13. the three different physical forms of matter
  14. the measure of the acidity an alkalinity of a substance
  15. unstable physical mixtures of undissolved particles in a liquid

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

chemistry 2 2019-03-18

chemistry 2 crossword puzzle
Across
  1. the measure of the acidity an alkalinity of a substance
  2. special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
  3. a physical combination of matter in any proportion
  4. alcohols that evaporate easily
  5. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  6. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  7. the quantity of hydrogen ions
  8. a stable physical mixture of two or more substances
  9. a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
  10. the study of substances that contain the element carbon
  11. substance that releases oxygen
  12. the three different physical forms of matter
Down
  1. a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
  2. unstable physical mixtures of undissolved particles in a liquid
  3. a chemical combination of two or more atoms in definite proportions
  4. a chemical combination of matter in definite proportions
  5. liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
  6. the concentration of surface active agents
  7. the substance that is dissolved in a solution
  8. characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
  9. the substance that dissolves the solute and makes it a solution
  10. any substance that occupies spaces spaces and has mass
  11. subatomic particles with a positive charge
  12. multiples of ten
  13. a chemical reaction that combines a substance with oxygen to produce an oxide
  14. subatomic particles with no charge

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...

chemistry 2 2019-03-18

chemistry 2 crossword puzzle
Across
  1. the substance that dissolves the solute and makes it a solution
  2. special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
  3. liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
  4. multiples of ten
  5. a physical combination of matter in any proportion
  6. a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
  7. subatomic particles with no charge
  8. the three different physical forms of matter
  9. the quantity of hydrogen ions
  10. a stable physical mixture of two or more substances
  11. the concentration of surface active agents
  12. any substance that occupies spaces spaces and has mass
Down
  1. subatomic particles with a positive charge
  2. a chemical combination of two or more atoms in definite proportions
  3. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  4. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  5. characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
  6. unstable physical mixtures of undissolved particles in a liquid
  7. the study of substances that contain the element carbon
  8. alcohols that evaporate easily
  9. a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
  10. substance that releases oxygen
  11. a chemical combination of matter in definite proportions
  12. a chemical reaction that combines a substance with oxygen to produce an oxide
  13. the substance that is dissolved in a solution
  14. the measure of the acidity an alkalinity of a substance

26 Clues: multiples of ten • the quantity of hydrogen ions • alcohols that evaporate easily • substance that releases oxygen • subatomic particles with no charge • subatomic particles with a positive charge • the concentration of surface active agents • the three different physical forms of matter • the substance that is dissolved in a solution • ...

Chemistry Terms 2017-02-12

Chemistry Terms crossword puzzle
Across
  1. A combination of atoms that link together
  2. An element that isn’t a metal. Can break easily and can’t conduct electricity or heat
  3. Cause (a substance) to be deposited in solid form from a solution
  4. A mark or character used as a conventional representation of a element
  5. Any of the gaseous elements helium, neon, argon, krypton, xenon, and radon of the periodic table
  6. The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table
  7. Atomic particles found in the nucleus of an atom and carry a positive charge
  8. A form of matter that may not be further broken down using any chemical means
  9. Absorption of heat
  10. A thing that is composed of two or more separate elements; a mixture
  11. A substance that takes part in and undergoes change during a reaction.
  12. In each period (horizontal row), the atomic numbers increase from left to right
  13. Russian chemist and inventor
  14. Center of an atom
Down
  1. A substance consisting of atoms which all have the same number of protons
  2. Release of heat
  3. Regions of space outside the nucleus of an atom where an electron may exist
  4. Mass in an object is neither created nor destroyed by chemical reactions or physical transformations
  5. An element that can conduct electricity and heat. Is malleable and ductile
  6. A group is a column of elements in the periodic table of the chemical elements
  7. The mass of an atom of a chemical element
  8. Electrons in the outermost energy level of an atom
  9. Nobel Prize-winning research on the structure of atoms
  10. Substance formed from chemical reactions
  11. Atomic particles found in the nucleus of an atom and carry no electrical charge
  12. Atomic particles that move around the nucleus of an atom and carry a negative charge
  13. An element that has properties of metals and nonmetals

27 Clues: Release of heat • Center of an atom • Absorption of heat • Russian chemist and inventor • Substance formed from chemical reactions • A combination of atoms that link together • The mass of an atom of a chemical element • Electrons in the outermost energy level of an atom • Nobel Prize-winning research on the structure of atoms • ...

Chemistry Clues 2017-02-15

Chemistry Clues crossword puzzle
Across
  1. the colorless fluid part of blood
  2. something that can hold its shape
  3. when water sticks to something else
  4. a thing that is composed of two or more separate elements
  5. when two substances react to each other
  6. a substance made by mixing other substances together
  7. When the surface layer of snow or ice turns into fog or steam without melting
  8. the negative part to an atom
Down
  1. something made out of protons,neutrons and electrons
  2. the quality of something that can be shaped into something else
  3. water that collects as droplets on a cold surface when humid air is in contact with it
  4. the process of turning from liquid into vapor
  5. a substance that flows freely but is of constant volume
  6. the positive part to an atom
  7. what everything is made of
  8. taking volume from something
  9. adding volume to something
  10. the glue to an atom
  11. the ability for water to flow
  12. when water sticks to water

20 Clues: the glue to an atom • what everything is made of • adding volume to something • when water sticks to water • the positive part to an atom • taking volume from something • the negative part to an atom • the ability for water to flow • the colorless fluid part of blood • something that can hold its shape • when water sticks to something else • when two substances react to each other • ...

Chemistry review 2017-09-25

Chemistry review crossword puzzle
Across
  1. A measure of the average kinetic energy or the particles in a sample of matter
  2. A characteristic of matter that depends on the amount of matter
  3. The study of the transfer of energy as heat that accompanies chemical reactions and physical changes
  4. Anything that has mass and takes up space
  5. A substance made up of atoms of 2 or more different elements joined by chemical bonds that makes a new substance
  6. A characteristic of matter that does not depend on the amount of matter
  7. The energy transferred between samples of matter because of a difference in temperature
  8. Change in the identity or type of matter
  9. Absorbed/released energy, Bubbles, Color Change, Odor, Formation of a precipitate
  10. Composed of dissimilar components and is not uniform
  11. Change in the identity or type of matter stays the same,but the appearance changes
  12. A combination of 2 or more substances that are not chemically combined
Down
  1. A sample of matter either a single element or a single compound that has definite chemical and physical properties
  2. A chemical reaction that causes the absorption of heat
  3. Describes something that has a uniform structure or composition throughout
  4. A chemical reaction that causes the release of heat
  5. The amount of energy required to raise the temperature of one gram of a substance by 1 degree Celsius
  6. A substance that cannot be broken down into simpler substances by chemical means
  7. Can be observed or measured without changing the composition of matter
  8. Any characteristic that can be determined only by changing a substance type or identity

20 Clues: Change in the identity or type of matter • Anything that has mass and takes up space • A chemical reaction that causes the release of heat • Composed of dissimilar components and is not uniform • A chemical reaction that causes the absorption of heat • A characteristic of matter that depends on the amount of matter • ...

TY Chemistry 2017-09-26

TY Chemistry crossword puzzle
Across
  1. Chemical name for soap.
  2. Water that contains a lot of Ca and Mg
  3. Elements have a unique colour of light due to this.
  4. Element made to investigate the speed of a reaction.
  5. Factor that affects the speed of a chemical reaction.
  6. Plastic was made from this protein in milk.
  7. Famous example of Carbon-14 dating
  8. Oil used in the making of soap.
  9. Chemical symbol for table salt.
  10. Use of elements having a different colour when burnt.
  11. Green in colour in a flame.
  12. Crimson in colour in a flame.
Down
  1. Instrument used to measure acidity of indigestion remedies.
  2. Process of making soap.
  3. Added to milk to form plastic.
  4. Smell of the element made in recent experiment to investigate speed of reaction.
  5. Acid used to test rocks for hardness.
  6. Different form of same element.
  7. Speeds up a reaction.
  8. Use of carbon isotope.
  9. Element that causes hardness in water.
  10. Element that can be found in water but is toxic.

22 Clues: Speeds up a reaction. • Use of carbon isotope. • Process of making soap. • Chemical name for soap. • Green in colour in a flame. • Crimson in colour in a flame. • Added to milk to form plastic. • Different form of same element. • Oil used in the making of soap. • Chemical symbol for table salt. • Famous example of Carbon-14 dating • Acid used to test rocks for hardness. • ...

Chemistry Crossword 2017-03-04

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

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

Chemistry crossword 2017-11-13

Chemistry crossword crossword puzzle
Across
  1. (in chemistry) vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a group.
  2. change of state from a solid to a liquid.
  3. group 18 elements in the periodic table;the most stable and unreactive elements.
  4. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones.
  5. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals.
  6. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units .
  7. amount of mass in a given volume of a substance.
  8. vertical column of elements in the periodic table; elements in a family all have similarchemical properties; also called a family.
  9. a material that electric charge can move through easily.
  10. compound that dissolves in water to form a solution with a pH lower than 7.
Down
  1. group 17 elements in the periodic table;the most reactive non-metals.
  2. ability of a substance to conduct electricity or heat.
  3. energy stored in chemicals and released when chemicals react; a form of potential or stored energy .
  4. shiny, malleable, ductile element thatconducts electricity.
  5. colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles.
  6. conductor through which electric current enters or leaves a device or material.
  7. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  8. the sum of the number of protonsand neutrons in an atom.
  9. element that has both metallic and non-metallic properties.
  10. positively charged centre of an atom;contains protons and neutrons.
  11. chemical combination of two or more elements in a specific ratio.
  12. pure substance that cannot be broken down into other substances; substance made up of only one type of atom.
  13. neutral particle in the nucleus of an atom.

23 Clues: change of state from a solid to a liquid. • neutral particle in the nucleus of an atom. • amount of mass in a given volume of a substance. • ability of a substance to conduct electricity or heat. • the sum of the number of protonsand neutrons in an atom. • a material that electric charge can move through easily. • ...

Chemistry Crossword 2017-11-13

Chemistry Crossword crossword puzzle
Across
  1. system of easy-to-see warning symbols on hazardous materials
  2. neutral particle in the nucleus of an atom
  3. metals group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  4. mixture mixture in which the different substances that make up the mixture are visible
  5. substance that reacts with another substance
  6. change of state from a solid to a liquid
  7. change of state from a solid to a gas or from a gas to a solid
  8. number number of protons in the nucleus of one atom of an element
  9. neutral particle made up of a nucleus containing protons and neutrons
  10. pure substance that cannot be broken down into other substances
  11. horizontal row of elements in the periodic table
Down
  1. anything that has mass and occupies space
  2. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated
  3. gases group 18 elements in the periodic table
  4. homogeneous mixture
  5. mass of a substance that can dissolve in a given amount of solvent to
  6. dull, brittle element that does not conduct electricity
  7. element that has both metallic and non-metallic properties
  8. change change that results when two or more substances react to create a different substance or substances
  9. amount of mass in a given volume of a substance
  10. solution solution in which water is the solvent
  11. positively charged particle in the nucleus of an atom
  12. vertical column of elements in the periodic table
  13. substance substance made of only one kind of matter

24 Clues: homogeneous mixture • change of state from a solid to a liquid • anything that has mass and occupies space • neutral particle in the nucleus of an atom • substance that reacts with another substance • gases group 18 elements in the periodic table • amount of mass in a given volume of a substance • solution solution in which water is the solvent • ...

Chemistry crossword 2017-11-13

Chemistry crossword crossword puzzle
Across
  1. change of state from a liquid to a solid.
  2. slow chemical change that occurs when oxygen in the air reacts with a metal
  3. element that has both metallic and non-metallic properties
  4. ratio of the useful energy outpuoman area of higher concentration to one of lower concentration
  5. group 17 elements in the periodic table;the most reactive non-metals
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  7. organic molecules made up of atoms of carbon, hydrogen, and oxygen (e.g., pasta, rice,potatoes, fruits, bread); can form simple molecules,such as sugar, or large, complex molecules, such asstarch, cellulose, and glycogen p. 199carbon monoxide (CO(g))colourless, odourless gas;produced by incomplete combustion of chemicalscontaining carbon (e.g. hydrocarbons); majorsource: motor vehicles p. 227catalyst substance that helps a chemical reactionto proceed more quickly p. 166cellular respiration chemical reaction that takesplace in cells; food (sugar) reacts with oxygen toproduce energy, water, and carbon dioxide p. 160charge separation concentration of like charges inspecific areas of a neutral object, caused by theapproach of a charged object; for example, anegatively charged object brought close to a wall
  8. ability of a substance to conduct electricity or heat
  9. mass mass of one atom of an elementcalculated from the total number of protons,neutrons, and electrons of that atom; measured inatomic mass units (amu) atomic mass unit measure of atomic mass; 1 amuis equal to 1/12 ththe mass of a carbon 12 atomp atomic number number of protons in the nucleusof one atom of an element
  10. dull, brittle element that does not conduct electricity
  11. invisible negatively charged particle that orbits the nucleus of an atom
Down
  1. process in which molecules move fr
  2. electricity) description of an object that has equal amounts of positive and negative charges
  3. reactions reaction that takes place when two or more substances react to form new substances
  4. compound that dissolves in water to form a solution with a pH higher than 7
  5. mixture in which tiny particles ofone substance are held within another andparticles cannot be separated out from the othersubstance
  6. that has become electrically chargedbecause it has lost or gained electrons; a positiveion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one ormore electrons
  7. compound that dissolves in water to form a solution with a pH lower than 7
  8. to the total energy input in a device or system; usually given as a percent
  9. change of state from a solid to a liquid.
  10. a material that electric charge can move through easily
  11. metals group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals alkaline-earth metals group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  12. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  13. chemical combination of two or more elements in a specific ratio
  14. shiny, malleable, ductile element that conducts electricity
  15. metalsmetals that have a density of 5 orhigher (e.g., copper, zinc, lead, mercury, cadmium,nickel); heavy metals are one type of substancemonitored to determine water quality

26 Clues: process in which molecules move fr • change of state from a liquid to a solid. • change of state from a solid to a liquid. • ability of a substance to conduct electricity or heat • a material that electric charge can move through easily • dull, brittle element that does not conduct electricity • element that has both metallic and non-metallic properties • ...

Chemistry Crosswords 2017-11-15

Chemistry Crosswords crossword puzzle
Across
  1. chemical combination of two or more elements in a specific ratio
  2. slow chemical change that occurs when oxygen in the air reacts with a metal
  3. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  4. invisible negatively charged particle that orbits the nucleus of an atom
  5. chemical reaction that releases energy
  6. pure substance formed when at least one metal and one non-metal combine
  7. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  8. of energy fundamental principle that energy cannot be created or destroyed
  9. positively charged centre of an atom;contains protons and neutrons
  10. number of protons in the nucleus of one atom of an element
  11. group 17 elements in the periodic table; the most reactive non-metals
Down
  1. new substance produced in a chemical reaction between reactants
  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. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
  4. mogeneous mixture; mixture of two or more pure substances that looks like one substance
  5. change of state from a solid to a gas or from a gas to a solid
  6. positively charged particle in the nucleus of an atom
  7. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  8. chemical reaction that absorbs energy
  9. pure substance that cannot be broken down into other substances; substance made up of only one type of atom
  10. table in which the elements are organized by their physical and chemical properties
  11. pure substance formed when non-metals combine
  12. group 18 elements in the periodic table;the most stable and unreactive elements
  13. orbit of electrons around the nucleus of an atom
  14. 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

25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • pure substance formed when non-metals combine • orbit of electrons around the nucleus of an atom • positively charged particle in the nucleus of an atom • number of protons in the nucleus of one atom of an element • change of state from a solid to a gas or from a gas to a solid • ...

Chemistry Crossword 2017-11-16

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

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

Chemistry Crossword 2017-11-11

Chemistry Crossword crossword puzzle
Across
  1. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  2. substance that helps a chemical reaction to proceed more quickly
  3. the smallest part of an element that is representative of that element
  4. combination of symbols that represent a compound
  5. group 1 element in the periodic table, not including hydrogen, the most reactive of the metals
  6. a solution in which water is the solvent
  7. invisible negatively charged particle that orbits around the nucleus of the atom
  8. chemical reaction that takes place in cells
  9. anything that has mass and takes up space
  10. positively charged center of an atom; contains protons and neutrons
  11. description of a substance that can be pounded or rolled into sheets
  12. change in state from a solid to a gas
  13. positively charged particle in the nucleus of an atom
  14. change of state from a solid to a liquid
Down
  1. a table in which elements are organized by their physical and chemical properties
  2. pure substance formed when at least one metal and non-metal combine
  3. mass of one atom of an element calculated from the total number of protons, electrons and neutrons of that atom
  4. number of protons in the nucleus of one atom of an element
  5. group 2 elements of the periodic table, their reactivity is not as strong as the alkali metals
  6. pure substance that cannot be broken down into other substances
  7. description of how a substance interacts with another substance
  8. measure of atomic mass
  9. change that results when 2 or more substances react to create a new substance
  10. vertical column of elements in the periodic table
  11. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy

25 Clues: measure of atomic mass • change in state from a solid to a gas • a solution in which water is the solvent • change of state from a solid to a liquid • anything that has mass and takes up space • chemical reaction that takes place in cells • combination of symbols that represent a compound • vertical column of elements in the periodic table • ...

Chemistry Crossword 2017-11-11

Chemistry Crossword crossword puzzle
Across
  1. combination of pure substances
  2. group 18 elements in the periodic table;the most stable and unreactive elements
  3. change in the appearance or state of a substance that does not change the composition
  4. group 17 elements in the periodic table;the most reactive non-metals
  5. vertical column of elements in the periodic table
  6. chemical reaction that releases energy
  7. a table in which the elements are organized by their physical and chemical properties
  8. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  9. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  10. pure substance formed when at least one metal and one non-metal combine
  11. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  12. catalyst involved in chemical reactions in living things
Down
  1. change that results when two or more substances react to create a different substance or substances
  2. neutral particle in the nucleus of an atom
  3. heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
  4. substance made of only one kind of matter, which has a unique set of properties
  5. chemical reaction that absorbs energy
  6. substance that strongly resists the flow of electricity
  7. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  8. pure substance formed when non-metals combine
  9. positively charged particle in the nucleus of an atom
  10. an experiment in which one or more products of a chemical reaction can escape
  11. substance that helps a chemical reaction to proceed more quickly
  12. element that has both metallic and non-metallic properties
  13. description of a substance that can be pounded or rolled into sheets

25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. neutral particle in the nucleus of an atom
  2. element that has both metallic and non-metallic properties
  3. catalyst involved in chemical reactions in living things
  4. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  5. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. chemical reaction that absorbs energy
  7. pure substance formed when non-metals combine
  8. a table in which the elements are organized by their physical and chemical properties
  9. pure substance formed when at least one metal and one non-metal combine
  10. substance made of only one kind of matter, which has a unique set of properties
  11. Change that results when two or more substances react to create a different substance or substances
  12. an experiment in which one or more products of a chemical reaction can escape
  13. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
Down
  1. group 18 elements in the periodic table;the most stable and unreactive elements
  2. group 17 elements in the periodic table;the most reactive non-metals
  3. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  4. positively charged particle in the nucleus of an atom
  5. vertical column of elements in the periodic table
  6. heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
  7. change in the appearance or state of a substance that does not change the composition
  8. chemical reaction that releases energy
  9. combination of pure substances
  10. substance that strongly resists the flow of electricity
  11. description of a substance that can be pounded or rolled into sheets
  12. substance that helps a chemical reaction to proceed more quickly

25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...

chemistry crossword 2017-11-07

chemistry crossword crossword puzzle
Across
  1. compound that dissolves in water to form a solution with a pH lower than 7
  2. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  3. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  4. measure of atomic mass; 1 amu is equal to 1/12 the mass of a carbon 12 atom
  5. chemical combination of two or more elements in a specific ratio
  6. catalyst involved in chemical reactions in living things
  7. chemical reaction that releases energy
  8. an experiment in which all reactants and all products of a chemical reaction are accounted for
  9. slow chemical change that occurs when oxygen in the air reacts with a metal
  10. number of protons in the nucleus of one atom of an element
Down
  1. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  2. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  3. colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  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. mass mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
  6. change of state from a gas to a liquid
  7. ability of a substance to conduct electricity or heat
  8. a reaction that takes place when two or more substances react to form new substances
  9. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  10. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  11. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  12. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  13. change of state from a gas to a solid

23 Clues: change of state from a gas to a solid • change of state from a gas to a liquid • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • chemical combination of two or more elements in a specific ratio • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. To release heat
  2. number that represents the number of atoms in an element.
  3. Made from chemical reaction
  4. ability to pound into sheets
  5. When oxygen reacts w/ a substance to form a new substance.
  6. Non-Metal+Non-Metal
  7. Ability to conduct electricity/heat energy
  8. Ability to thin into wire.
  9. Slow chemical change when oxygen reacts with a metal
  10. To absorb heat
  11. Starting materials of a reaction
  12. Mass in given volume
  13. Shine of substance
Down
  1. solid to gas
  2. Cloudy mixture that can be separated
  3. Chemical change in your body
  4. gas to solid
  5. Metal+Non-Metal
  6. Material made of 2 or more elements
  7. Ability to dissolve.
  8. anything that has mass and occupies space
  9. Letters/Number to indicate what elements are in product
  10. Pure substance
  11. organic catalysts
  12. Substances that helps speed up a reaction

25 Clues: solid to gas • gas to solid • Pure substance • To absorb heat • To release heat • Metal+Non-Metal • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Ability to dissolve. • Mass in given volume • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. Letters/Number to indicate what elements are in product
  2. Material made of 2 or more elements
  3. Made from chemical reaction
  4. Non-Metal+Non-Metal
  5. organic catalysts
  6. gas to solid
  7. Ability to thin into wire.
  8. When oxygen reacts w/ a substance to form a new substance.
  9. Substances that helps speed up a reaction
  10. Chemical change in your body
  11. ability to pound into sheets
  12. Pure substance
Down
  1. Ability to dissolve.
  2. Shine of substance
  3. Slow chemical change when oxygen reacts with a metal
  4. number that represents the number of atoms in an element.
  5. anything that has mass and occupies space
  6. Starting materials of a reaction
  7. Metal+Non-Metal
  8. Ability to conduct electricity/heat energy
  9. To absorb heat
  10. Cloudy mixture that can be separated
  11. solid to gas
  12. To release heat
  13. Mass in given volume

25 Clues: gas to solid • solid to gas • To absorb heat • Pure substance • Metal+Non-Metal • To release heat • organic catalysts • Shine of substance • Non-Metal+Non-Metal • Ability to dissolve. • Mass in given volume • Ability to thin into wire. • Made from chemical reaction • Chemical change in your body • ability to pound into sheets • Starting materials of a reaction • ...

Chemistry Crossword 2017-11-08

Chemistry Crossword crossword puzzle
Across
  1. 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
  2. positively charged particle in the nucleus of an atom
  3. Substance that help a reaction speed faster
  4. An experiment in which all reactants and all products of a chemical reaction are accounted for
  5. substance made of only one kind of matter, which has a unique set of properties
  6. When two or substances react to make a new substance
  7. 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
  8. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  9. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  10. new substance produced in a chemical reaction between reactants
  11. neutral particle in the nucleus of an atom
  12. shiny, malleable, ductile element that conducts electricity
Down
  1. slow chemical change that occurs when oxygen in the air reacts with a metal
  2. pure substance formed when at least one metal and one non-metal combine
  3. An experiment in which one or more products of a chemical reaction can escape
  4. dull, brittle element that does not conduct electricity
  5. group 18 elements in the periodic table;the most stable and nonreactive elements
  6. When a substance state changes, but can be changed back
  7. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  8. Releases heat energy
  9. element that has both metallic and non-metallic properties
  10. positively charged center of an atom;contains protons and neutrons
  11. Absorbs heat energy
  12. group 17 elements in the periodic table;the most reactive non-metals
  13. catalyst involved in chemical reactions in living things

25 Clues: Absorbs heat energy • Releases heat energy • neutral particle in the nucleus of an atom • Substance that help a reaction speed faster • When two or substances react to make a new substance • positively charged particle in the nucleus of an atom • dull, brittle element that does not conduct electricity • When a substance state changes, but can be changed back • ...

cHEMISTRY CROSSWORD 2017-11-08

cHEMISTRY CROSSWORD crossword puzzle
Across
  1. change that is irreversible
  2. substance made up of one type of matter had has unique properties
  3. a chemical reaction that occurs when oxygen in the air reacts with a substance to form a new substance and gives off energy
  4. chemical combination of two or more elements in a specific ratio
  5. system a material system that keeps the reaction just the reaction
  6. mixture of two or more pure substances that looks like one
  7. to absorb heat
  8. change that is reversible
  9. ability to dissolve
  10. system a material system in which mass or energy can be lost to or gained
  11. the weight of a substance
  12. nonmetal and nonmetal
  13. the things that are being used for the chemical reaction
Down
  1. to release heat
  2. what are made after mixing multiple reactants
  3. cloudy mixture that cannot be separated
  4. anything on the periodic table. Made up of one type of element
  5. a substance that makes a chemical reaction go faster
  6. it is a slow chemical change that occurs when oxygen decomposes metal
  7. cloudy mixture that can be separated
  8. the ability to pound and roll metal into sheets
  9. metal and nonmetal
  10. amount of mass in a given volume

23 Clues: to absorb heat • to release heat • metal and nonmetal • ability to dissolve • nonmetal and nonmetal • change that is reversible • the weight of a substance • change that is irreversible • amount of mass in a given volume • cloudy mixture that can be separated • cloudy mixture that cannot be separated • what are made after mixing multiple reactants • ...

Chemistry Crossword 2017-11-09

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

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

Chemistry Crossword 2017-11-09

Chemistry Crossword crossword puzzle
Across
  1. a substance that reacts with another substance to make a product
  2. most stable elements on the periodic table
  3. chemical combination of two or more elements
  4. the centre of an atom
  5. colourless, odorless gas which is very deadly
  6. the most reactive metals on the periodic table
  7. the amount of mass in a given volume of a substance
  8. a reaction that takes place when 2 different materials combine to make a new one
  9. the slow reaction that requires oxygen
  10. an atom electrically charged because it has lost or gained electrons
  11. anything that has mass and occupies space
Down
  1. description of an item that can be rolled into thin sheets
  2. a chemical reaction that is sudden and requires oxygen
  3. an irreversible change that creates a new substance
  4. a new substance created when 2 or more reactants react
  5. dull, brittle element that doesn't conduct electricity
  6. the mass of one atom of an element
  7. the most reactive non-metals on the periodic table
  8. the ability for an element to be turned into a wire
  9. the building blocks once called "atomos"
  10. number of protons and electrons in an atom
  11. symbols that represent a compound
  12. element with both metallic and non-metal properties
  13. a neutral particle in a nucleus
  14. a cloudy mixture which cannot be easily separated

25 Clues: the centre of an atom • a neutral particle in a nucleus • symbols that represent a compound • the mass of one atom of an element • the slow reaction that requires oxygen • the building blocks once called "atomos" • anything that has mass and occupies space • most stable elements on the periodic table • number of protons and electrons in an atom • ...

Chemistry Words 2016-09-26

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

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

Chemistry Crossword 2018-01-19

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

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

Chemistry Crossword 2020-10-01

Chemistry Crossword crossword puzzle
Across
  1. Same number of electrons and protons
  2. Smallest unit of matter
  3. Charge When an atom gives away one electron
  4. Are responsible for atomic bonding
  5. of atomic bonding where atoms share electrons
  6. Reaction Change in the Ionic structure of a substance
  7. Positively charged and located in the nucleus
  8. If particles are not bonded they are a
  9. Solid,liquid or gas
  10. Shells around the nucleus
  11. Why the atomic number has a decimal
  12. Reaction Evaporation, Freezing, and Condensation
  13. Fourth state of matter
Down
  1. Can change the state of matter
  2. React Gases on the far right of the Periodic Table
  3. Bonding that shares And exchanges electrons
  4. Elements on the far left on the Periodic Table do this with elements second from right on the Periodic Table
  5. Flow in electric currents
  6. These are created when a group of atoms bond together
  7. Has no charge
  8. Cannot be broken or changed
  9. Type of atomic bonding where atoms exchange electrons
  10. Number equal to a mole of atom
  11. Very large molecules that make up living plants or animals
  12. Table Organized by Atomic Number, How Atoms React, and What kind of atom (metal, nonmetal, gas)
  13. Contains 2 Hydrogen Atoms and 1 Oxygen Atom

26 Clues: Has no charge • Solid,liquid or gas • Fourth state of matter • Smallest unit of matter • Flow in electric currents • Shells around the nucleus • Cannot be broken or changed • Can change the state of matter • Number equal to a mole of atom • Are responsible for atomic bonding • Why the atomic number has a decimal • Same number of electrons and protons • ...

Chemistry Quiz 2020-09-09

Chemistry Quiz crossword puzzle
Across
  1. the yield of halogenoalkane that is produced in free radical substitution
  2. having 8 outer electrons
  3. the second step in free radical substitution
  4. the effect of electron donating or withdrawing groups
  5. a condition where all atoms lie on the same plane
  6. an acidic gas produced when methane reacts with chlorine under sunlight
  7. the shape of CH3Cl molecule
  8. the bond that is broken during initiation of chlorine gas
  9. the formal charge of a carbon atom in CH3Cl
  10. the total electrons in CH3 radical
Down
  1. an intermediate that has only six outer electrons in the carbon atom
  2. a symmetrical bond breaking
  3. the first step in free radical substitution
  4. the characteristic describing free radical substitution
  5. a chemical process in initiation step
  6. when radicals combine to produce a molecule
  7. species that have unpaired electrons
  8. the phase required to produce free radicals
  9. total unpaired electrons in NO gas
  10. the type of light used in homolytic bond fission
  11. the arrow used to describe radicals

21 Clues: having 8 outer electrons • a symmetrical bond breaking • the shape of CH3Cl molecule • total unpaired electrons in NO gas • the total electrons in CH3 radical • the arrow used to describe radicals • species that have unpaired electrons • a chemical process in initiation step • the first step in free radical substitution • when radicals combine to produce a molecule • ...

Aromatic Chemistry 2020-11-05

Aromatic Chemistry crossword puzzle
Across
  1. Which rule must be followed in order to achieve aromaticity
  2. Resonance forms must form valid ____ structures
  3. What conditions (acidic or basic) are required for pyridine to be produced?
  4. What is the suffix for a 5-membered heterocyclic ring
  5. Resonance forms cannot change _____ ?
  6. Carboxylic acid is a good ____ group, at the ortho/para positions to the leaving group
  7. In order to achieve aromaticity, you need to have a cyclic system that needs to be fully conjugated and it needs to be ____?
  8. The movement of a hydrogen atoms tells us we are dealing with what?
  9. They must be overlapping in order for resonance forms to exist
  10. When pyrroles react with a strong acid it results in the formation of ____
  11. A drawback from ortho/para directing effects will require a ____ step
Down
  1. The more bonds, the more _____ the resonance form
  2. Name of a very unreactive aromatic imine, that is weakly basic
  3. Name of reaction with benzene diazonium chloride and HBF4, at 0 degrees celsius, forming fluoro benzene
  4. Loss of Sp2 hybridisation leads to a molecule not being aromatic due to it not being fully ____
  5. What is used to interconvert resonance forms?
  6. An ortho/para product is given when mono-substituted benzene reacts in a ____ reaction
  7. A ____ transition state gives a faster intermediate formation
  8. What type of compounds is aromaticity a feature of
  9. Thiocarbonyls tend to be unstable due to a weak double bond between carbon and which other element?
  10. Acylation and a Celmensen/Wolff-Kishner creates a ____ product
  11. In mono-substituted benzene, what position does the deactivating group direct the reaction
  12. What is the 1,2 arrangement on a benzene ring described as?
  13. What does resonance involve the movement of?

24 Clues: Resonance forms cannot change _____ ? • What does resonance involve the movement of? • What is used to interconvert resonance forms? • Resonance forms must form valid ____ structures • The more bonds, the more _____ the resonance form • What type of compounds is aromaticity a feature of • What is the suffix for a 5-membered heterocyclic ring • ...

Aromatic Chemistry 2020-11-09

Aromatic Chemistry crossword puzzle
Across
  1. Which other compound has a similar EAS reactivity to benzene when it comes to aromatic substitution?
  2. What is the name of the rule which states that for a molecule to be aromatic, the number of electrons it contains must equal 4n + 2?
  3. What is a positively charged carbon within an organic molecule?
  4. .....are also known as dynamic isomerism.
  5. A cyclic system that is fully conjugated is.....
  6. .....is the overlap of more than two 2p orbitals in a cyclic/acyclic system.
  7. Mono-substituted benzene reacts to give a meta product in a reaction that is ..... than that seen for substitute upon benzene.
  8. What class of synthetic organic heterocyclic compound is made when a nitrile and sodium azide react in a 1,3-dipolar cycloaddition reaction?
  9. What reaction describes the reaction where the diazonium ion reacts with cuprous salts?
  10. What is the relative rate of meta directing substituents?
  11. The electrophile that reacts with benzene within the Fredel-crafts acylation reaction with AlCl3 is an?
  12. What group are de-activating and meta directing groups in nitrobenzene?
  13. Which imine is very unreactive and is less reactive than benzene in electrophilic aromatic substitution, and more reactive than benzene in nucleophilic aromatic substitution reactions?
Down
  1. What reaction occurs when pyrroles and bromine react together during electrophilic aromatic substitution?
  2. The word given to compounds that are formed in a ring structure is called.....
  3. What substitution is known as the 1,3 disubstituted position on a benzene ring?
  4. What type of ring aromatic modification reaction gives substitution products when the negative charge can rest on the nitrogen in the intermediate species?
  5. When pyrroles and strong acids undergo ring modification by electrophilic aromatic substitution what type of compounds are formed?
  6. What substitution is known as the 1,4 disubstituted position on a benzene ring?
  7. What substitution is known as the 1,2 disubstituted position on a benzene ring?
  8. What is the process in which an alkyl group is attached to an organic substrate via addition or substitution?
  9. What involves only the movement of electrons and never atoms?
  10. Mono-substituted benzene reacts to give an ortho/para product, in a reaction that is ..... than that seen for substitute upon benzene.

23 Clues: .....are also known as dynamic isomerism. • A cyclic system that is fully conjugated is..... • What is the relative rate of meta directing substituents? • What involves only the movement of electrons and never atoms? • What is a positively charged carbon within an organic molecule? • What group are de-activating and meta directing groups in nitrobenzene? • ...

Aromatic Chemistry 2020-11-09

Aromatic Chemistry crossword puzzle
Across
  1. What is a positively charged carbon within an organic molecule?
  2. What is the name of the rule which states that for a molecule to be aromatic, the number of electrons it contains must equal 4n + 2?
  3. What reaction describes the reaction where the diazonium ion reacts with cuprous salts?
  4. ..... are also known as dynamic isomerism.
  5. What substitution is known as the 1,2 disubstituted position on a benzene ring?
  6. What type of ring aromatic modification reaction gives substitution products when the negative charge can rest on the nitrogen in the intermediate species?
  7. Which other compound has a similar EAS reactivity to benzene when it comes to aromatic substitution?
  8. The electrophile that reacts with benzene within the Fredel-crafts acylation reaction with AlCl3 is an?
  9. A cyclic system that is fully conjugated is .....
  10. What substitution is known as the 1,3 disubstituted position on a benzene ring?
  11. Which imine is very unreactive and is less reactive than benzene in electrophilic aromatic substitution, and more reactive than benzene in nucleophilic aromatic substitution reactions?
Down
  1. What substitution is known as the 1,4 disubstituted position on a benzene ring?
  2. What involves only the movement of electrons and never atoms?
  3. ..... is the overlap of more than two 2p orbitals in a cyclic/acyclic system.
  4. What is the process in which an alkyl group is attached to an organic substrate via addition or substitution?
  5. What class of synthetic organic heterocyclic compound is made when a nitrile and sodium azide react in a 1,3-dipolar cycloaddition reaction?
  6. What reaction occurs when pyrroles and bromine react together during electrophilic aromatic substitution?
  7. The word given to compounds that are formed in a ring structure is called .....
  8. What is the relative rate of meta directing substituents?
  9. When pyrroles and strong acids undergo ring modification by electrophilic aromatic substitution what type of compounds are formed?
  10. Mono-substituted benzene reacts to give a meta product in a reaction that is ..... than that seen for substitute upon benzene.
  11. Mono-substituted benzene reacts to give an ortho/para product, in a reaction that is ..... than that seen for substitute upon benzene.
  12. Meta directing substituents are .....groups?
  13. What group are de-activating and meta directing groups in nitrobenzene?

24 Clues: ..... are also known as dynamic isomerism. • Meta directing substituents are .....groups? • A cyclic system that is fully conjugated is ..... • What is the relative rate of meta directing substituents? • What involves only the movement of electrons and never atoms? • What is a positively charged carbon within an organic molecule? • ...

Chemistry Vocabulary 2020-09-14

Chemistry Vocabulary crossword puzzle
Across
  1. One of the 3 states of matter. The particles move freely in all directions.
  2. A substance that's exactly 7 on the pH scale (like pure water)
  3. When a liquid heats up and changes into a gas
  4. Something that will not dissolve in a solution
  5. One of the 3 states of matter. The particles slide past each other and take the shape of their container
  6. A type of mixture in which you can see more than one thing
  7. The smallest unit of matter. Tiny particles that make up everything in the universe.
  8. A mixture of two or more substances including at least one solid and one liquid in which solid particles float in the liquid, like muddy water!
  9. A substance like lemon juice or milk is less than 7 on the pH scale, so it's consider an ________
  10. More than one substance combined together.
  11. When you have the rearrangement of atoms to make substances that were not present before. Burning gasoline in a car is an example of this (2 words)
  12. When you mix two things together and they don't react, or when a substance changes states (2 words)
  13. The tendency of a substance to stick to other substances
  14. Able to be dissolved in a solution
Down
  1. The tendency of a substance to stick to itself
  2. When a gas cools and turns into a liquid
  3. A solid that is dissolved into a liquid to make a solution
  4. The liquid part of a solution
  5. A mixture made of a solute and solvent that LOOKS like it's made of only a liquid, but isn't
  6. Something that cannot be changed back to how it was
  7. Any substance above 7 on the pH scale (like soap or bleach)
  8. A type of mixture that LOOKS like only one substance, but isn't
  9. A type of paper used to test pH
  10. A pure substance that cannot be further broken down.
  11. One of the 3 states of matter. The particles stay fixed in place and vibrate
  12. Able to be changed back to the way it was
  13. All the 'stuff' that makes up the things in the universe. It has mass and occupies space
  14. The process of using a filter to separate a liquid from solids in a mixture
  15. The name of the scale used to measure acidity
  16. The process of heating up a liquid to purify it by separating it from any solutes dissolved in it

30 Clues: The liquid part of a solution • A type of paper used to test pH • Able to be dissolved in a solution • When a gas cools and turns into a liquid • Able to be changed back to the way it was • More than one substance combined together. • When a liquid heats up and changes into a gas • The name of the scale used to measure acidity • ...

chemistry test 2018-04-03

chemistry test crossword puzzle
Across
  1. ipoclorito di sodio
  2. un elettrone occupa l'orbitale a più bassa energia che può riceverlo, principio di...
  3. acido cloridrico
  4. quantità di onde in una certa misura
  5. particlle dotate di carica negativa, radiazioni...
  6. acido solforico
  7. legame che ha il valore dell'EN > 1,8
  8. coppia di elettroni messa in comune tra due atomi
  9. deriva dalla capacità degli elementi radioattivi di emettere radiazioni spontaneamente
  10. regione di spazio attorno al nucleo dove è elevata la possibilità di trovare l'elettrone
  11. numero di legami che un atomo di quell'elemento forma in un composto
  12. anidridi+H2O
  13. i nutroni superano il doppio dei protoni, emanano radiazioni
  14. quando gli atomi sono uguali e hanno lo stesso valore di elettronegatività
  15. se sono disponibili più orbitali aventi la stessa energia, gli elettroni si dispongono uno per ciascun orbitale con la stessa direzione di spin, regola di...
  16. parte positiva di un atomo
Down
  1. percorso dell'elettrone definito con precisione
  2. particelle dotate di carica positiva, radiazioni...
  3. numero di protoni presenti nel nucleo di un atomo
  4. disposizione degli elettroni negli orbitali di un atomo
  5. legame che si forma dall'attrazione fra le cariche
  6. misura della capacità di un atomo di attrarre verso di sé gli elettroni condivisi in un legame covalente
  7. n,l,m sono...
  8. corrisponde al numero totale di protoni e di neutroni contenuti nel nucleo di un atomo
  9. legame che si forma da un metallo + un non metallo
  10. atomi di uno stesso elemento che hanno lo stesso numero di protoni ma numero differente di neutroni
  11. spiega il senso di rotazione degli elettroni e ci descrive l'orbitale, numero quantico...
  12. quando l'atomo è negativamente o positivamente carico

28 Clues: anidridi+H2O • n,l,m sono... • acido solforico • acido cloridrico • ipoclorito di sodio • parte positiva di un atomo • quantità di onde in una certa misura • legame che ha il valore dell'EN > 1,8 • percorso dell'elettrone definito con precisione • numero di protoni presenti nel nucleo di un atomo • coppia di elettroni messa in comune tra due atomi • ...

Chemistry Crossword 2018-11-12

Chemistry Crossword crossword puzzle
Across
  1. It is one substance that cannot be separated
  2. Is a tiny subatomic particle that revolves around a nucleus and has a negative charge
  3. A table that shows elements and their atomic number and mass, and symbol
  4. Is the shorthand method of writing elements and compound
  5. A substance that cannot be divided further
  6. Two or more substances that can be separated.
  7. Both elements are non-metals
  8. Has one metal and one non-metal
  9. Elements in a vertical row on the periodic table
  10. Is a subatomic particle that has a positive charge
Down
  1. Elements in a horizontal row on the periodic table
  2. Has properties of metals and non-metals
  3. A grouping of electrons surrounding the nucleus of an atom
  4. Is a positively charged ion
  5. It is important to _____ the quantity of reactants and products in an equation
  6. Process that changes one set of chemicals into another set of chemicals
  7. A group of atoms that are held together
  8. Is the representation for an atom
  9. A solid that forms and settles out of a liquid mixture
  10. Smallest particle of an element
  11. A group of two or more elements
  12. Is a negatively charged ion
  13. Particles of the nucleus that have no electrical charge
  14. A particle that is electrically charged (positive or negative)

24 Clues: Is a positively charged ion • Is a negatively charged ion • Both elements are non-metals • Smallest particle of an element • A group of two or more elements • Has one metal and one non-metal • Is the representation for an atom • Has properties of metals and non-metals • A group of atoms that are held together • A substance that cannot be divided further • ...

Chemistry Crossword 2018-11-13

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

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

Chemistry Crossword 2018-11-13

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

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

Chemistry crossword 2018-11-13

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

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

Chemistry Crossword 2018-11-18

Chemistry Crossword crossword puzzle
Across
  1. The ability to be stretched into a long wire.
  2. An atom or group of atoms that become electrically charged because of the gain or lose of electrons.
  3. Anything on the periodic table.
  4. An experiment, in which all the reactants and all the products are accounted for.
  5. A substance made up of more than one type of matter that can be separated.
  6. A chemical reaction that takes place in the cells of your body.
  7. A chemical change which releases heat.
  8. A new substance formed in a reaction between substances.
  9. When oxygen reacts with a metal and the metal begins to decompose.
  10. A substance formed when a metal and non-metal combine.
  11. a substance that helps a reaction proceed faster.
  12. A substance that reacts with another substance to form a new substance.
  13. A mixture that can be separated.
Down
  1. A mixture that has two or more substances mixed together.
  2. An experiment, in which one or more of the products can escape.
  3. When oxygen reacts with a substance to form a new substance that gives off energy.
  4. The law that states, in a chemical reaction, the total mass of the reactants, is always the same as the total mass of the products.
  5. A substance made up of only one type of matter.
  6. A substance formed when 2 non-metals combine.
  7. The most reactive non-metal.
  8. A mixture that cannot be separated.
  9. A substance that is in between metals and non-metals.
  10. A chemical change which absorbs heat.
  11. A mixture that looks like a pure substance.
  12. A chemical combination of two or more elements.

25 Clues: The most reactive non-metal. • Anything on the periodic table. • A mixture that can be separated. • A mixture that cannot be separated. • A chemical change which absorbs heat. • A chemical change which releases heat. • A mixture that looks like a pure substance. • The ability to be stretched into a long wire. • A substance formed when 2 non-metals combine. • ...

Chemistry Crossword 2018-12-10

Chemistry Crossword crossword puzzle
Across
  1. pure substance that cannot be broken down into other substances contains one atom
  2. substance that speeds up chemical reactions
  3. Solid, liquid, gas and plasma
  4. Change of stare from a solid to gas or a gas to a solid
  5. Change in the appearance or state of a substance that does not change the composition
  6. Measure of atomic mass
  7. chemical reaction that produces heat
  8. ability of a substance to conduct electricity or heat
  9. a material that electricity or heat can move through easily
  10. description of a solid that can be stretched into a long wire
  11. positively charged center of an atom contains protons and nuetrons
  12. A system of easy-to-use warning symbols for hazardous materials
  13. chemical combination of two or more substances in a specific ratio
  14. invisible negatively charged particle that orbits the nucleus of an atom
  15. Change of state from a liquid to a solid
  16. Catalyst involved in chemical reactions in living things
Down
  1. slow chemical change that occurs when oxygen in the air reacts with metal
  2. Change of state from a liquid to a gas
  3. chemical reaction that absorbs heat
  4. group 17 elements in the periodic table least reactive metals
  5. number of protons in the nucleus equal to electrons
  6. pure substance formed when at least one ,metal and nonmetal combine
  7. Amount of mass in a given volume of a substance
  8. Change of state from a gas to a liquid
  9. Change of state from solid to a liquid

25 Clues: Measure of atomic mass • Solid, liquid, gas and plasma • chemical reaction that absorbs heat • chemical reaction that produces heat • Change of state from a liquid to a gas • Change of state from a gas to a liquid • Change of state from solid to a liquid • Change of state from a liquid to a solid • substance that speeds up chemical reactions • ...

Chemistry Review 2021-05-25

Chemistry Review crossword puzzle
Across
  1. percent of a molecule each element takes up
  2. has no set volume or shape
  3. a compound that absorbs water molecules
  4. volume increases as pressure decreases
  5. pressure increases as temperature increases
  6. formula that gives the actual number of elements in a compound
  7. two elements in different molecules switch what places
  8. volume increases as temperature increases
  9. a conversion factor relating the number of moles of two substances
  10. number of atoms in a mole
  11. arangment of electrons in an atom
  12. 4 numbers used to locate an electron
  13. has a set volume and shape
Down
  1. formula that gives ratio of elements in a compound
  2. one element switches from one element to another
  3. yield found from experimenting
  4. ratio of actual yield to theoretical yield
  5. force on an object in a unit area
  6. all moving particles have characteristics of a wave
  7. using the group 18 elements to shorten the electron configuration
  8. a reactant combines with oxygen to form water and carbon dioxide
  9. has a set volume with no set shape
  10. compounds break down to form simpler products
  11. list of elements in order from most reactive to least
  12. two elements combine to form one molecule

25 Clues: number of atoms in a mole • has no set volume or shape • has a set volume and shape • yield found from experimenting • force on an object in a unit area • arangment of electrons in an atom • has a set volume with no set shape • 4 numbers used to locate an electron • volume increases as pressure decreases • a compound that absorbs water molecules • ...

Organic chemistry 2021-05-19

Organic chemistry crossword puzzle
Across
  1. prefix for 6 carbons
  2. organic acids are these type of acids
  3. category with formula CnH2n-2
  4. building blocks of proteins
  5. esters contain this element as both a single bond and a double bond
  6. amines contain this element as their functional group
  7. suffix for aldehydes
  8. element found in all organic compounds
  9. class of compounds that contain -COOH
  10. class of compounds with -O- in between carbon chains
  11. alkenes always contain one of these bonds
  12. class of compounds with C=O on an end carbon
  13. class of compounds with C=O on an interior carbon
  14. prefix for 3 carbons
Down
  1. alcohols with one -OH group
  2. organic compounds that consist of only C&H
  3. 3D shape of methane
  4. class of compounds that contain -OH group
  5. another name for natural gas
  6. alcohol with 3 -OH groups
  7. saturated hydrocarbon series
  8. both alkenes and alkynes are
  9. suffix for ketones
  10. suffix for triple bonds
  11. melting points of organic compounds are
  12. class of compounds when a halogen replaces a H
  13. organic compounds with pleasant fragrances

27 Clues: suffix for ketones • 3D shape of methane • prefix for 6 carbons • suffix for aldehydes • prefix for 3 carbons • suffix for triple bonds • alcohol with 3 -OH groups • alcohols with one -OH group • building blocks of proteins • another name for natural gas • saturated hydrocarbon series • both alkenes and alkynes are • category with formula CnH2n-2 • organic acids are these type of acids • ...

Chemistry Crossword! 2021-04-16

Chemistry Crossword! crossword puzzle
Across
  1. I'm absolutely, 100%, without a doubt positive!
  2. Two energy shells; Three valence electrons.
  3. A model citizen in the world of chemistry.
  4. These can be changed when balancing equations.
  5. When the products are a combination of the reactants.
  6. Electrons in these bonds are free to roam.
  7. Metals with one valence electron.
  8. Valence electrons in a Cesium atom.
  9. If we were all covalent maybe we'd be more willing to...
  10. They get rearranged in a chemical reaction.
  11. Mendeleev predicted more would be found.
  12. When the reactants get broken into smaller particles.
  13. The type of dots that mean valence electrons.
  14. A negative ion.
  15. The heaviest natural element.
  16. The tiny numbers in a chemical equation.
  17. The...of an atom is like a fly in a cathedral!
  18. Most bonds between nonmetals.
Down
  1. The universe is mostly made of this substance.
  2. They're organized by # of electron shells.
  3. Valence electrons hang out here.
  4. They keep us from falling apart.
  5. A neutron's charge.
  6. Sixth group; Third period.
  7. He, Ne, Ar, Kr, etc...
  8. Electrons might have more friends if they weren't so...
  9. the number of protons in an atom.
  10. Bromine and Mercury.
  11. It makes up most of an atom's volume, and yours too.
  12. They're organized by # of valence electrons.
  13. An equation that obeys the law of conservation.
  14. Would also feel pretty comfortable in a position above Beryllium.
  15. Where the heavier elements get cooked up.
  16. Conservation of mass is a……not just a guideline!
  17. The sum of an atom's protons and neutrons.
  18. # of Br ions that will easily bond with Magnesium.
  19. The boundary between metals and nonmetals.
  20. A pattern that is repeated over and over, like weeks in a calendar.
  21. This type of substance is produced in a chemical reaction.
  22. A positive ion.
  23. The attraction between two ions.
  24. Really? Na with Cl? That is so...!
  25. Nickname for a chemical reaction.
  26. An "overweight" atom.

44 Clues: A positive ion. • A negative ion. • A neutron's charge. • Bromine and Mercury. • An "overweight" atom. • He, Ne, Ar, Kr, etc... • Sixth group; Third period. • The heaviest natural element. • Most bonds between nonmetals. • Valence electrons hang out here. • They keep us from falling apart. • The attraction between two ions. • the number of protons in an atom. • ...

Medicinal Chemistry 2021-06-10

Medicinal Chemistry crossword puzzle
Across
  1. the disease driven by the uncontrolled growth of cells
  2. to separate substances based on how well they evaporate
  3. substance that neutralizes stomach acid
  4. type of virus that infects bacteria
  5. a group of antibiotics
  6. the class of pain-relieving drugs that are derived from poppies
  7. fraction of administered dose that reaches the target site
  8. a substance that improves health by chemically affecting the body
  9. when the body adapts to the presence of medications and experiences negative effects without it
Down
  1. an opiate used to treat severe pain and was used in World War I
  2. A drug used to treat cancer that is derived from Yew Tree leaves
  3. how easily a substance evaporates
  4. a solution that can resist changes in pH
  5. broad term describing how nuclear chemistry is used to treat cancer
  6. the ability of radioactivity to remove electrons from an atom (two words, no spaces inbetween)
  7. emission of particles & energy during radioactivity
  8. amount of drug to maintain level needed for a medicinal effect
  9. to find something using various techniques
  10. something used to relieve pain, fever, or inflammation
  11. the ejection of an alpha particle from a nucleus (two words, no spaces inbetween)

20 Clues: a group of antibiotics • how easily a substance evaporates • type of virus that infects bacteria • substance that neutralizes stomach acid • a solution that can resist changes in pH • to find something using various techniques • emission of particles & energy during radioactivity • the disease driven by the uncontrolled growth of cells • ...

Chemistry world 2021-04-04

Chemistry world crossword puzzle
Across
  1. I can convert common metals to something more valuable
  2. I was discovered by an alchemist when he was experimenting to create the philosophers stone
  3. You can't break our friendship that easily
  4. I was discovered in 1985 as the 3rd incarnation of carbon
  5. colourless acid containing 3 nitrogen atoms
  6. Inhale me, I make you happy but if you inhale more, that's when I turn uncanny
  7. I make up the heart of the place you live in
  8. I don't have friends, but I'll be strong connecting me with myself so many times
  9. I'm neither electropositive nor electronegative
  10. I smell like a barn contain hay, but beware i have killed many once upon a time
  11. I am either used to facilitate a reaction or to detect something through tests
  12. I have a positive attitude
Down
  1. I am the king of cuisines
  2. we are too lazy to interact
  3. A ferromagnetic substance that forms complexes more than any other element
  4. I am often used for detecting something in archaeology department
  5. A ligand that shows variable denticity
  6. I am a greater absorber of gamma rays
  7. I won't react but products are formed easily
  8. I have the potential to increase the dopamine levels in the body

20 Clues: I am the king of cuisines • I have a positive attitude • we are too lazy to interact • I am a greater absorber of gamma rays • A ligand that shows variable denticity • You can't break our friendship that easily • colourless acid containing 3 nitrogen atoms • I won't react but products are formed easily • I make up the heart of the place you live in • ...

Chemistry crossword 2021-07-12

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

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

Chemistry crossword 2021-07-12

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

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

Chemistry Bonus 2024-05-01

Chemistry Bonus crossword puzzle
Across
  1. blood is considered a...
  2. James Chadwick discovered
  3. positive ion is a...
  4. the amount of space an object consumes
  5. elements that are good conductors
  6. last column of the periodic table
  7. same atomic number, different mass number
  8. elements that gain electrons to become an anion
  9. the act of removing a solid using a filter
  10. negation ion is a...
Down
  1. also known as a man-made element
  2. paint is considered a...
  3. discovered the electron
  4. to describe a shiny object
  5. An Alakli metal is a...
  6. cation and anion energy released
  7. when the energy state of an atom is low
  8. sugar in water
  9. when atoms share electrons
  10. results in a cation and anion

20 Clues: sugar in water • positive ion is a... • negation ion is a... • discovered the electron • An Alakli metal is a... • paint is considered a... • blood is considered a... • James Chadwick discovered • to describe a shiny object • when atoms share electrons • results in a cation and anion • also known as a man-made element • cation and anion energy released • ...

Chemistry Bonus 2024-05-02

Chemistry Bonus crossword puzzle
Across
  1. Chadwick discovered the _____
  2. Atoms are _____ in chemical reactions
  3. A mixture that is not uniform
  4. An element that has a mass of 16.00 g/mol
  5. A substance that dissolves into another substance
  6. The sharing of electrons
  7. How close a measured value is to an accepted value
  8. Atoms of the same element with different numbers of neutrons
  9. He discovered the electron
Down
  1. The transition of a substance directly from solid to gas
  2. A procedure in which the concentration of a solution is determined by comparing it to a solution of known concentration
  3. Who discovered the nucleus of an atom
  4. Atoms are______
  5. How close a series of measurements are to each other
  6. Two protons and two neutrons called an alpha particle
  7. An acid that donates more than one proton per molecule
  8. The concave or convex surface of a liquid
  9. The mass of an atom given in amu
  10. The transfer of electrons
  11. The change in heat of the products from the reactants

20 Clues: Atoms are______ • The sharing of electrons • The transfer of electrons • He discovered the electron • Chadwick discovered the _____ • A mixture that is not uniform • The mass of an atom given in amu • Who discovered the nucleus of an atom • Atoms are _____ in chemical reactions • The concave or convex surface of a liquid • An element that has a mass of 16.00 g/mol • ...

Chemistry Vocabulary 2024-05-03

Chemistry Vocabulary crossword puzzle
Across
  1. a substance that cannot be broken down into simpler substances by chemical means
  2. mixture a mixture in which substance are not distributed evenly; example: a salad, pepperoni pizza, dirt
  3. two or more atoms held together by bonds
  4. particles found inside the nucleus with a positive charge
  5. measure of the amount of matter in a substance
  6. a characteristic of a substance that cannot be observed without changing the identity of the substance
  7. any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution
  8. matter made up of two or more substances that are no joined chemically
  9. horizontal row on the Periodic Table
  10. a characteristic of substance that can be observed directly (what you can see, what you can feel, what you smell) or can be measured with a tool without changing the identity of the substance
  11. particles found inside the nucleus of every atom
Down
  1. particles with a negative electricity found within all atoms
  2. a mixture in which substances are evenly distributed; example: a solution, milk, sugar water
  3. vertical column on the Periodic Table; elements in the column share similar properties; also known as a Family
  4. a constant term related to the properties of a product
  5. a pure substance that forms when two or more elements join chemically in a fixed proportion
  6. number the number of protons in the nucleus of an atom; found in top of element box
  7. the basic unit of a chemical element
  8. a character, usually a letter or number, that's printed slightly below and to the side of another character.
  9. the ability of a substance to be hammered or beaten into thin sheets

20 Clues: the basic unit of a chemical element • horizontal row on the Periodic Table • two or more atoms held together by bonds • measure of the amount of matter in a substance • particles found inside the nucleus of every atom • a constant term related to the properties of a product • particles found inside the nucleus with a positive charge • ...

Chemistry Review 2024-05-30

Chemistry Review crossword puzzle
Across
  1. Two Monosaccharides bond and form this.
  2. A pH >7.
  3. A pH <7.
  4. Two atoms share electrons to bond together.
  5. Enzyme attaches to this during a Chemical Rxn.
  6. Building block for life. It contains two strands of nucleotides.
  7. One of the products of Cellular Respiration.
  8. Protein that carries CO2.
  9. An atom that has lost or gained an electron.
  10. Special proteins that destroy infectious infiltrators.
Down
  1. Simple Sugars that are sub-units of Carbohydrates.
  2. Energy needed to activate a Chemical Rxn.
  3. Two atoms of separate polar(+,-) charges bond together.
  4. Multiple Monosaccharides are chained to form this.
  5. Speeds up a reaction.
  6. Protein that carries Oxygen.
  7. A scale of a substance's hydrogen ion concentration.
  8. A nucleic acid strand that sends messages to create proteins.
  9. All of the chemical reactions in the body.
  10. Building block of protein.

20 Clues: A pH >7. • A pH <7. • Speeds up a reaction. • Protein that carries CO2. • Building block of protein. • Protein that carries Oxygen. • Two Monosaccharides bond and form this. • Energy needed to activate a Chemical Rxn. • All of the chemical reactions in the body. • Two atoms share electrons to bond together. • One of the products of Cellular Respiration. • ...

Chemistry vocab 2023-10-02

Chemistry vocab crossword puzzle
Across
  1. change a change of one substance into another substance
  2. a substance that is present at the beginning of a chemical reaction, takes part in the reaction, and is changed into a new substance
  3. a group of atoms that are held together by covalent bonds so that they move together
  4. a substance that is evenly spread throughout. Particles not distinguishable.
  5. a horizontal row in the periodic table of the elements that have varying properties
  6. an atom of one element that has a different number of neutrons than another atom of the same element
  7. a neutral part, located in an atoms nucleus
  8. an atom of group of atoms that has a positive or negative electric charge, forms by gaining or losing electrons
  9. a solid substance, that forms as a result of a chemical reaction between chemicals in two liquids
  10. a vertical column in the periodic table of the elements that have similar properties
  11. a substance that increases the rate of a chemical reaction, but is not consumed by the reaction
  12. the number written slightly below into the rate of a chemical symbol that shows how many atoms of an element are in a compound
Down
  1. a combination of two or more substances that do not combine chemically, but remain the same individual substances
  2. a substance made up of two or more different types of atoms bonded together
  3. a substance that cannot be broken down into a simpler substances by ordinary chemical changes
  4. a negatively charged particle located outside of an atoms nucleus about 2000 times smaller than either a proton or neutron
  5. of positively charged particle, located in an atoms nucleus
  6. a substance that is not uniform throughout
  7. the number before a chemical formula indicating how many molecules are involved in a chemical reaction
  8. change a usually reversible change in the physical properties of a substance, as size and shape
  9. number the total number of protons in an atoms nucleus
  10. a substance formed by a chemical reaction, made by the rearrangement of atoms in bonds and reactants
  11. mass number the total number of protons and neutrons in an atoms nucleus

23 Clues: a substance that is not uniform throughout • a neutral part, located in an atoms nucleus • number the total number of protons in an atoms nucleus • change a change of one substance into another substance • of positively charged particle, located in an atoms nucleus • mass number the total number of protons and neutrons in an atoms nucleus • ...

chemistry crossword 2023-09-11

chemistry crossword crossword puzzle
Across
  1. a liquid will change to a gas
  2. arrangement of all chemical elements each element represent one atom of the given element
  3. uses a filter to separate solids from liquids
  4. have no charge located in the nucleus
  5. negative charge located in the electron cloud
  6. the sum of the number of protons and neutrons
  7. atoms that have a small amount of space between them
  8. positive charge located in the nucleus
  9. two or more elements chemically combined
  10. a combination of 2 or more pure substances
  11. atoms that have a large amount of between them
Down
  1. mixture is different throughout
  2. equal to the number of protons in the nucleus
  3. something that you can see or measure without changing the substance
  4. technique of heating a liquid to create a vapor
  5. a measure of mass per unit of volume
  6. is the separation of a mixture by passing it into solution
  7. has the same composition throughout
  8. sample of matter with both definite and composition and distinct chemical properties
  9. atoms that are close to each other

20 Clues: a liquid will change to a gas • mixture is different throughout • atoms that are close to each other • has the same composition throughout • a measure of mass per unit of volume • have no charge located in the nucleus • positive charge located in the nucleus • two or more elements chemically combined • a combination of 2 or more pure substances • ...

Chemistry revision 2023-09-11

Chemistry revision crossword puzzle
Across
  1. A piece of equipment used to separate 3 or more liquids
  2. simplest ratio of atoms in a compound
  3. Pink to colourless
  4. Unwanted substance after filtration
  5. iron oxide is removed when reacted with this
  6. insoluble solid forms when two soluble solutions are mixed
  7. Type of force between ions
  8. colour of copper sulphate crystals
  9. Rate of forward and backward reaction is the same
  10. ions that do not change in a reaction
  11. HNO3
  12. pH range 8 - 14 and dissolves in water
  13. Change of state
Down
  1. Patterns in the periodic table
  2. Positively charged electrode
  3. Type of force between molecules
  4. Unique information in chromatography
  5. Solid to gas
  6. This reactant has been used up
  7. Single layer of graphite
  8. Lightest subatomic particle
  9. Clean drinking water
  10. Number of protons and electrons in an atom
  11. heat is released from a reaction
  12. Iron replaces copper
  13. 6.02 x 10^23
  14. Type of diagram to show covalent bonding
  15. Neutron numbers vary
  16. Substance added to aluminium oxide during electrolysis
  17. Type of structure for ionic substances

30 Clues: HNO3 • Solid to gas • 6.02 x 10^23 • Change of state • Pink to colourless • Clean drinking water • Iron replaces copper • Neutron numbers vary • Single layer of graphite • Type of force between ions • Lightest subatomic particle • Positively charged electrode • Patterns in the periodic table • This reactant has been used up • Type of force between molecules • heat is released from a reaction • ...

Clinical Chemistry 2023-09-19

Clinical Chemistry crossword puzzle
Across
  1. Is the preferred specimen for some tests, such as newborn screening tests.
  2. Refers to the control values that are far from the main set of values.
  3. The primary product of hepatic metabolism of cocaine is _____________.
  4. Hormone that promotes glycolysis, glycogenesis, and lipogenesis
  5. Trace element found in thyroid hormones
  6. Elevated urea in the blood
  7. Creatine kinase is under what enzyme category?
  8. This is the most widely used quality control chart in the clinical laboratory
  9. It is a sample of known quantity with several analytes present
  10. Most abundant hormone of the anterior pituitary gland
Down
  1. Part of the spectrophotometer that isolates the specific wavelength of interest
  2. Device used to calibrate the speed of the centrifuge
  3. Reference method for lipase determination
  4. An algorithm in which the most recent result of a patient is compared with the previously determined value.
  5. Other name for prealbumin
  6. Predominant estrogen in menopausal women
  7. What anticoagulant is used for cardiopulmonary bypass?
  8. This type of error which can be observed on a Levey-Jennings chart is formed control values that distribute themselves on one side or either side of the mean for six consecutive days
  9. Dissociating agent used in the Evelyn-Malloy method for bilirubin
  10. This condition shows a beta-gamma bridging effect in the serum protein electrophoretic pattern

20 Clues: Other name for prealbumin • Elevated urea in the blood • Trace element found in thyroid hormones • Predominant estrogen in menopausal women • Reference method for lipase determination • Creatine kinase is under what enzyme category? • Device used to calibrate the speed of the centrifuge • Most abundant hormone of the anterior pituitary gland • ...

Chemistry Review 2023-09-14

Chemistry Review crossword puzzle
Across
  1. neutrally charged subatomic particles
  2. the number on the PT without decimals, represents the number of protons and atom has
  3. the group number of the family, "noble gases"
  4. the name for many connected monomers
  5. an atom of an element with an altered number of neutrons
  6. positively charged subatomic particles
  7. an element that is brittle, non-conductive, and dull
  8. the group number of the family, "halogens"
  9. the number on the PT with decimals that is protons and neutrons added together
  10. the smallest component of matter
Down
  1. electrons that can be found on the outer most ring of an atom's electron cloud
  2. an atom of an element with an altered number of electrons
  3. the group number of the family, "alkali metals"
  4. an element that is brittle, semi-conductive, and lustrous
  5. a column on the periodic table
  6. a row on the periodic table
  7. the group number of the family, "alkaline earth metals"
  8. the core of atoms where all the mass can be found
  9. an element that is malleable, conductive, and lustrous
  10. negatively charged subatomic particles

20 Clues: a row on the periodic table • a column on the periodic table • the smallest component of matter • the name for many connected monomers • neutrally charged subatomic particles • positively charged subatomic particles • negatively charged subatomic particles • the group number of the family, "halogens" • the group number of the family, "noble gases" • ...

Clinical Chemistry 2023-08-09

Clinical Chemistry crossword puzzle
Across
  1. Brian’s favorite sports team
  2. Analyzer used to rapidly run blood gases
  3. How close a measurement is to the “true value”
  4. If a result is out of range for the analyzer, you may need to perform a _____________or program the analyzer to do one
  5. Special patient preparation done before collecting certain chemistry tests
  6. Using the wrong ________________when collecting a specimen can lead to inaccurate results
  7. If you notice a blood sample for chemistry testing is hemolyzed, it needs to be ______________
  8. Testing run every day to ensure that testing is working properly
  9. Term used to describe a very cloudy sample caused by high triglycerides
  10. How “reproducible” a measurement is, ie how close repeat tests are to one another
  11. Aside from blood, we can also run this type of specimen on the ABL analyzer
  12. When transporting a specimen, the time to delivery and________________of the sample can affect patient results
  13. Testing that can be done to detect/identify abnormalities is serum proteins
Down
  1. Used to measure the variation between data values
  2. A formula that describes the relationship between concentration and absorbed light
  3. Troponins need to be run off of a _____________sample
  4. Another word for the “average” of a set of data
  5. Term used to describe a specimen that is yellow/orange due to hemoglobin breakdown
  6. Process that uses known concentrations of analyte to make sure the analyzer is measuring accurately
  7. A group of tests all ran and reported out together
  8. Blood, body fluids and __________are all types of specimens we can run on the architect
  9. A machine used to separate plasma and serum from whole blood
  10. Hepatitis testing needs to be run off of a ___________sample
  11. lead testing is run from a ________tube
  12. When evaluating QC values, we look for the values to be within ______standard deviations

25 Clues: Brian’s favorite sports team • lead testing is run from a ________tube • Analyzer used to rapidly run blood gases • How close a measurement is to the “true value” • Another word for the “average” of a set of data • Used to measure the variation between data values • A group of tests all ran and reported out together • ...

Chemistry- Atoms 2023-08-01

Chemistry- Atoms crossword puzzle
Across
  1. When an atom bonds with other atoms, either the same type (O2) or a different type (H2O), it’s called a …..
  2. … ..Number written at top - bigger / number of protons and neutrons
  3. Row with atomic number increasing row number. Is equal to the number Electron shells in an element
  4. used to separate an insoluble solid from a liquid. E.g.separating sand from a mixture of sand and water,
  5. ………. Distillation is used to separate the different liquids from a mixture of liquids. It works because the different liquids have different boiling points.
  6. Type of bond between metal + non-metals, electrons in outer shell lost from metal atoms, gained by non-metal atoms
  7. Positive charged fired through this in experiment disproving plum pudding model
  8. created when atoms of two different elements combine. Eg H2O - different but NOT O2 same
  9. Discovered electrons have shells
  10. have the same number of protons, but different numbers of neutrons/ have same atomic number and different mass numbers
  11. contains atoms with the same atomic number.
  12. smallest building block of life has nucleus electrons etc
  13. Column with elements with similar properties
Down
  1. Discovered the electron / plum pudfing model / ie atoms as spheres of positive charge with electrons dotted around in it like raisins
  2. worked out atoms have planetary model with nucleus and orbiting electrons
  3. Type of Bond between non-metal + non-metalPairs of electrons in outer shells shared
  4. contains two or more different substances that are not chemically joined together. Eg smoothie
  5. used to get solid crystals from a solution. When the solution is warmed, the solvent evaporates leaving crystals behind. Eg getting salt from a salt solution
  6. …. Of mass - no mass is lost on gained in a chemical reaction
  7. used to separate a solvent from a solution. Eg for getting water from sea water
  8. ….. number written at bottom - smaller / equal to no. Of electrons / also equal to no. Of protons
  9. Did gold foil experiment to disprove plum pudding model
  10. Substances Containing only one type element or compound
  11. Impure substances have boiling and melting points outside those of pure substances
  12. Negatively charged particle in an atom

25 Clues: Discovered electrons have shells • Negatively charged particle in an atom • contains atoms with the same atomic number. • Column with elements with similar properties • Did gold foil experiment to disprove plum pudding model • Substances Containing only one type element or compound • smallest building block of life has nucleus electrons etc • ...

Chemistry Crossword 2023-11-13

Chemistry Crossword crossword puzzle
Across
  1. Helps you breathe
  2. You use this to move
  3. Makes up your nerves
  4. The powerhouse of the cell - converts
  5. Any of the distinct types of material of which animals or plants are made
  6. Helps you get rid of waste
  7. Makes up your blood
  8. A minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells
  9. Living things that contain only one cell
  10. The rest of the cell
  11. What plants are made of
  12. Your bones system
  13. A set of things working together as parts of a mechanism
  14. A microscopic membrane of lipids and proteins which forms the external boundary of the cytoplasm of a cell or encloses a vacuole
  15. Helps your blood around your body
Down
  1. Living things that contain more than one cell
  2. Makes up your muscles
  3. What fungi are made of
  4. Helps you get the nutrients from the food you eat
  5. What animals are made of
  6. Special cells
  7. Stores the waste and nutrients
  8. The brain of the cell
  9. The study of living things
  10. A network of membranous tubules within the cytoplasm of a eukaryotic cell the smallest, basic unit of life that is responsible for all of life's processes
  11. The boundary between the cell inside and outside
  12. Tools that zooooooooom in on stuff
  13. Where photosynthesis occurs
  14. The things that make up living things
  15. You use this to feel

30 Clues: Special cells • Helps you breathe • Your bones system • Makes up your blood • You use this to move • Makes up your nerves • The rest of the cell • You use this to feel • Makes up your muscles • The brain of the cell • What fungi are made of • What plants are made of • What animals are made of • Helps you get rid of waste • The study of living things • Where photosynthesis occurs • ...

Chemistry Crossword 2023-11-13

Chemistry Crossword crossword puzzle
Across
  1. Helps you breathe
  2. You use this to move
  3. Makes up your nerves
  4. The powerhouse of the cell - converts
  5. Any of the distinct types of material of which animals or plants are made
  6. Helps you get rid of waste
  7. Makes up your blood
  8. A minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells
  9. Living things that contain only one cell
  10. The rest of the cell
  11. What plants are made of
  12. Your bones system
  13. A set of things working together as parts of a mechanism
  14. A microscopic membrane of lipids and proteins which forms the external boundary of the cytoplasm of a cell or encloses a vacuole
  15. Helps your blood around your body
Down
  1. Living things that contain more than one cell
  2. Makes up your muscles
  3. What fungi are made of
  4. Helps you get the nutrients from the food you eat
  5. What animals are made of
  6. Special cells
  7. Stores the waste and nutrients
  8. The brain of the cell
  9. The study of living things
  10. A network of membranous tubules within the cytoplasm of a eukaryotic cell the smallest, basic unit of life that is responsible for all of life's processes
  11. The boundary between the cell inside and outside
  12. Tools that zooooooooom in on stuff
  13. Where photosynthesis occurs
  14. The things that make up living things
  15. You use this to feel

30 Clues: Special cells • Helps you breathe • Your bones system • Makes up your blood • You use this to move • Makes up your nerves • The rest of the cell • You use this to feel • Makes up your muscles • The brain of the cell • What fungi are made of • What plants are made of • What animals are made of • Helps you get rid of waste • The study of living things • Where photosynthesis occurs • ...

Chemistry Vocab 2023-11-28

Chemistry Vocab crossword puzzle
Across
  1. Matter that does not have a definite shape but definite volume
  2. any part of sample with uniform composition and properties
  3. the simplest form of matter that has a unique set of properties
  4. A property that depends on the type of matter in a sample
  5. a one or two letter representation of a element
  6. mass can neither be created or destroyed
  7. a substance present at the start of a reaction
  8. Gaseous state of a substance of a liquid
  9. A substance that contains two or more elements
  10. A measure of the amount of matter an object contains
  11. change A change during which some properties of a material change
  12. a process that separates a solid from a liquid
Down
  1. a solid that forms out of a liquid
  2. matter that has a uniform and definite composition
  3. matter with a indefinite shape and volume
  4. Change A change that produces matter with a different composition
  5. a quality or condition of a substance that can be observed or measured without changing the composition
  6. a mixture that is not uniform
  7. property A property that depends on the amount of matter in a sample
  8. a homogeneous mixture that consists of solutes
  9. a process used to separate dissolved solids from a liquid
  10. a mixture that is uniform in composition
  11. A measure of the space occupied by a sample of matter
  12. a substance produced in a chemical reaction
  13. a form of matter that has a definite shape and volume

25 Clues: a mixture that is not uniform • a solid that forms out of a liquid • a mixture that is uniform in composition • mass can neither be created or destroyed • Gaseous state of a substance of a liquid • matter with a indefinite shape and volume • a substance produced in a chemical reaction • a homogeneous mixture that consists of solutes • ...

Chemistry Crossword 2023-11-27

Chemistry Crossword crossword puzzle
Across
  1. unit of volume in the metric system, equal to one cubic decimetre
  2. a measure of the amount of matter in an object
  3. homogenous mixture of two or more substances in relative amounts that can be varied
  4. way of describing and predicting the molecular structure within the constraints of three-dimensional (3-D) space
  5. the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius
  6. a solid, dust-like sediment that water, ice, and wind transport and deposit
  7. the capacity to supply heat or do work
  8. the measurement of how tightly a material is packed together
  9. chemically and physically uniform or homogeneous quantity of matter that can be separated
Down
  1. SI unit of work or energy
  2. the interaction of rock with mineral solutions (chemicals) to change the composition of rocks
  3. crystalline solids formed from atoms chemically bonded into an orderly structure
  4. an ion with negative charge
  5. how much space an object or substance takes up
  6. a measure of the heaviness of an object
  7. an instrument for measuring and sometimes recording the time or amount of something
  8. substance that is formed as the result of a chemical reaction
  9. ions that are positively charged
  10. a naturally occurring chemical compound, usually of crystalline form and abiogenic in origin
  11. the process where rocks are broken down by natural forces such as wind or water

20 Clues: SI unit of work or energy • an ion with negative charge • ions that are positively charged • the capacity to supply heat or do work • a measure of the heaviness of an object • a measure of the amount of matter in an object • how much space an object or substance takes up • the measurement of how tightly a material is packed together • ...

Chemistry Vocab 2024-05-10

Chemistry Vocab crossword puzzle
Across
  1. a crack in the earth's crust
  2. basin the area drained by a river and its tributaries
  3. springs etc
  4. The amount of space something occupies
  5. The tendency of water molecules to stick to each other
  6. the area where a freshwater stream or river merges with
  7. microscopic life form; microorganism; germ
  8. rock layers
  9. into a body to produce immunity to the virus
  10. of water; bottom-dwellers
  11. column
  12. Measure of the amount of matter in a substance
  13. row on periodic table
  14. free-swimming animals that can move throughout the
Down
  1. Kingdom composed of heterotrophs; many obtain energy
  2. the area of land that is drained by a water system
  3. no longer in existence
  4. substance prepared from killed or weaken viruses and
  5. underground bed or layer yielding ground water for wells
  6. Tiny algae and animals that float in water and are carried
  7. waves and currents
  8. organisms that live on the bottom of the ocean or other
  9. the tendency of water to stick to other substances
  10. plant, or fungus
  11. yield the total quantity of crop that the land produces
  12. water that fills the cracks and spaces in underground soil
  13. A eukaryotic organism that cannot be classified as an
  14. nutrients from dead organic matter

28 Clues: column • springs etc • rock layers • plant, or fungus • waves and currents • row on periodic table • no longer in existence • of water; bottom-dwellers • a crack in the earth's crust • nutrients from dead organic matter • The amount of space something occupies • microscopic life form; microorganism; germ • into a body to produce immunity to the virus • ...

Chemistry Vocab 2024-05-10

Chemistry Vocab crossword puzzle
Across
  1. a crack in the earth's crust
  2. basin the area drained by a river and its tributaries
  3. springs etc
  4. The amount of space something occupies
  5. The tendency of water molecules to stick to each other
  6. the area where a freshwater stream or river merges with
  7. microscopic life form; microorganism; germ
  8. rock layers
  9. into a body to produce immunity to the virus
  10. of water; bottom-dwellers
  11. column
  12. Measure of the amount of matter in a substance
  13. row on periodic table
  14. free-swimming animals that can move throughout the
Down
  1. Kingdom composed of heterotrophs; many obtain energy
  2. the area of land that is drained by a water system
  3. no longer in existence
  4. substance prepared from killed or weaken viruses and
  5. underground bed or layer yielding ground water for wells
  6. Tiny algae and animals that float in water and are carried
  7. waves and currents
  8. organisms that live on the bottom of the ocean or other
  9. the tendency of water to stick to other substances
  10. plant, or fungus
  11. yield the total quantity of crop that the land produces
  12. water that fills the cracks and spaces in underground soil
  13. A eukaryotic organism that cannot be classified as an
  14. nutrients from dead organic matter

28 Clues: column • springs etc • rock layers • plant, or fungus • waves and currents • row on periodic table • no longer in existence • of water; bottom-dwellers • a crack in the earth's crust • nutrients from dead organic matter • The amount of space something occupies • microscopic life form; microorganism; germ • into a body to produce immunity to the virus • ...

Chemistry Vocabular 2024-05-10

Chemistry Vocabular crossword puzzle
Across
  1. spots on the ocean floor where hot gases and minerals escape from earth's interior into the water
  2. free-swimming animals that can move throughout the water column
  3. the area drained by a river and its tributaries
  4. Tiny algae and animals that float in water and are carried by waves and currents
  5. water that fills the cracks and spaces in underground soil and rock layers
  6. the area of the ocean beyond the edge of the continental shelf. Most diverse organisms live near the surface.
  7. the movement of deep, cold, and nutrient-rich water to the surface
  8. The tightness across the surface of water that is caused by the polar molecules pulling on one another
  9. small river or stream that flows into a large river or stream; a branch of the river
  10. The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius...amount of heat required to increase the temperature of water
  11. organisms that live on the bottom of the ocean or other body of water; bottom-dwellers
Down
  1. The tendency of water molecules to stick to each other.
  2. term that describes an organism that lives on land
  3. the area where a freshwater stream or river merges with the ocean. Often a nursery for young.
  4. the tendency of water to stick to other substances
  5. The quality of water that makes it able to dissolve more substances than any other solvent can
  6. A device that determines the distance of an object under water by recording echoes of sound waves
  7. underground bed or layer yielding ground water for wells and springs etc
  8. the amount of matter in a given space; mass per unit volume
  9. an underwater vehicle built of strong materials to resist pressure at depth
  10. the area of land that is drained by a water system

21 Clues: the area drained by a river and its tributaries • term that describes an organism that lives on land • the tendency of water to stick to other substances • the area of land that is drained by a water system • The tendency of water molecules to stick to each other. • the amount of matter in a given space; mass per unit volume • ...

Chemistry Definitions 2024-05-16

Chemistry Definitions crossword puzzle
Across
  1. Different energy levels where electrons orbit the nucleus
  2. Describes the electron moving around each shell;2,8,8,2
  3. Smallest part of matter, contains protons neutrons and electrons
  4. Theory that all matter is made up of matter
  5. The centre of an atom-contains protons and neutrons
  6. A substance that contains 2 or more types of atoms
  7. An atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one
  8. A model of an atom made by Niels bohr
Down
  1. Negatively charged particles found orbiting the nucleus of an atom
  2. A substance that contains only 1 type of atom
  3. The area around the nucleus where the electrons travel
  4. Positively charged particles in the nucleus of an atom
  5. Total number of protons in an atom; defines which atom it is
  6. Vertical column on the periodic table
  7. Horizontal row on the periodic table
  8. A table that lists all the elements in order of their atomic number
  9. Parts that make up an atom
  10. The mass of an atom; equals the number of protons plus the number of neutrons
  11. Negatively charged ions.
  12. Neutral particles in the nucleus of an atom
  13. Atoms that have the same number of protons and electrons but different numbers of neutrons
  14. Positively charged ions.

22 Clues: Negatively charged ions. • Positively charged ions. • Parts that make up an atom • Horizontal row on the periodic table • Vertical column on the periodic table • A model of an atom made by Niels bohr • Neutral particles in the nucleus of an atom • Theory that all matter is made up of matter • A substance that contains only 1 type of atom • ...

chemistry bonus 2024-04-29

chemistry bonus crossword puzzle
Across
  1. mass of an atom
  2. acts a catalyst
  3. releases heat
  4. an atoms give up electrons for another atom
  5. an element between metals and nonmetals
  6. nonmetallic element
  7. positive charged ion
  8. subtances in a chemical reaction
  9. chemical element with atomic number 5
  10. energy stored in bonds
Down
  1. the unit of work or energy
  2. solid to the gaseous state
  3. absorbs heat
  4. chemical element,lacks material of metal
  5. chemical element number 7
  6. volume at a constant temperature
  7. the mass of the substance
  8. molecules settle out of solution
  9. positive electric charge
  10. negative electric charge

20 Clues: absorbs heat • releases heat • mass of an atom • acts a catalyst • nonmetallic element • positive charged ion • energy stored in bonds • positive electric charge • negative electric charge • chemical element number 7 • the mass of the substance • the unit of work or energy • solid to the gaseous state • volume at a constant temperature • molecules settle out of solution • ...

chemistry bonus 2024-05-08

chemistry bonus crossword puzzle
Across
  1. substances that cannot dissolve to form a solution
  2. substances that can be dissolved
  3. microscopic particles that are dispersed evenly in another substance.
  4. a characteristic that can be observed or measured without changing the sample's composition
  5. a solid produced during a chemical reaction
  6. a mixture that is not uniform
  7. a mixture containing particles that settle out if left undisturbed
  8. the raising of the boiling point due to the addition of a solute
Down
  1. the ability of a substance to combine with or change into one or more other substances
  2. a colloid between 2 liquids that are immiscible
  3. a combination of 2 or more pure substances in which
  4. the lowering of the freezing point due to the addition of a solute
  5. when solutions of two aqueous compounds are combined
  6. the pressure exerted in a closed container by liquid particles that have escaped the liquid's surface and entered the gaseous state.
  7. if more energy is released when particles attract each other, what is the rnx?
  8. substance that does the dissolving
  9. what holds the immiscible liquids together in a colloid
  10. a change in matter in which new materials with new chemical and physical properties are formed
  11. substance that is dissolved
  12. when 2 liquids do not mix

20 Clues: when 2 liquids do not mix • substance that is dissolved • a mixture that is not uniform • substances that can be dissolved • substance that does the dissolving • a solid produced during a chemical reaction • a colloid between 2 liquids that are immiscible • substances that cannot dissolve to form a solution • a combination of 2 or more pure substances in which • ...

Chemistry Crosswords 2024-05-08

Chemistry Crosswords crossword puzzle
Across
  1. A solid formed from a liquid
  2. A mixture where there is no visible separation between the substances in the mixture
  3. A property that determines how a substance will react with another substance
  4. The smallest thing anything can be made of
  5. A substance made of one type of substance
  6. The second group of elements
  7. Physically separating solids from liquids by passing one through a media trapping the other
  8. An observable property of matter
Down
  1. A mixture where there is a visible separation between what is in the mixture
  2. The middle of the periodic table with relatively low reactivity
  3. The last group on the periodic table that aren't reactive at all
  4. A pure substance that has no molecular bonds
  5. The outermost layer of electrons
  6. The ability to transfer heat or electricity
  7. The amount of space an object takes
  8. When oxygen bonds with another atom
  9. A horizontal row on the periodic table
  10. A homogeneous mixture between a solvent and a solute
  11. A combination of two different substances
  12. Two or more elements that are chemically bonded to each other

20 Clues: A solid formed from a liquid • The second group of elements • The outermost layer of electrons • An observable property of matter • The amount of space an object takes • When oxygen bonds with another atom • A horizontal row on the periodic table • A substance made of one type of substance • A combination of two different substances • ...

Chemistry Crossword 2024-05-08

Chemistry Crossword crossword puzzle
Across
  1. The small number under the element;shows the number of that atom there
  2. A column in the periodic table
  3. A substance that is made up of only one kind of particle
  4. A homogenous mixture of 2+ substances
  5. You cannot see the different ingredients within
  6. The number of protons in an atom's nucleus
  7. Something imitating a natural substance; manmade
  8. Something that can produce salts in chemical reactions and tastes sour
  9. Something that dissolves other substances
  10. The process of getting a certain substance from a liquid by evaporation or condensation
  11. A row in the periodic table
  12. what is being dissolved in another substance
  13. Something chemically inactive, it wont react
  14. How well something can be stretched and flexed
Down
  1. The number in front of chemical formula that multiplies the subscript
  2. You can see the different ingredients within
  3. The ability of something to conduct electricity
  4. Something that can neutralize acid
  5. The process or action of filtering something
  6. The process of reacting with oxygen

20 Clues: A row in the periodic table • A column in the periodic table • Something that can neutralize acid • The process of reacting with oxygen • A homogenous mixture of 2+ substances • Something that dissolves other substances • The number of protons in an atom's nucleus • You can see the different ingredients within • The process or action of filtering something • ...

Chemistry Vocab 2024-05-09

Chemistry Vocab crossword puzzle
Across
  1. The tightness across the surface of water that is caused by the polar molecules pulling on one another.
  2. The tendency of water molecules to stick to each other.
  3. the tendency of water to stick to other substances.
  4. A device that determines the distance of an object under water by recording echoes of sound waves.
  5. The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celcius also the amount of heat required to increase the temperature of water.
  6. the amount of matter in a given space; mass per unit volume.
  7. An underwater vehicle built of strong materials to resist pressure at depth.
  8. The area of land that is drained by a water system.
  9. Spots on the ocean floor where hot gases and minerals escape from earth's interior into the water.
  10. The area of the ocean beyond the edge of the continental shelf. Most diverse organisms live near the surface.
Down
  1. The movement of deep, cold, and nutrient-rich water to the surface.
  2. The area drained by a river and its tributaries.
  3. Small river or stream that flows into a large river or stream; a branch of the river.
  4. Water that fills the cracks and spaces in underground soil and rock layers.
  5. The quality of water that makes it able to dissolve more substances than any other solvent can.
  6. Underground bed or layer yielding ground water for wells and springs etc.
  7. Tiny algae and animals that float in water and are carried by waves and currents.
  8. Organisms that live on the bottom of the ocean or other body of water; bottom-dwellers.
  9. The area where a freshwater stream or river merges with the ocean. Often a nursery for young.
  10. Free-swimming animals that can move throughout the water column.

20 Clues: The area drained by a river and its tributaries. • the tendency of water to stick to other substances. • The area of land that is drained by a water system. • The tendency of water molecules to stick to each other. • the amount of matter in a given space; mass per unit volume. • Free-swimming animals that can move throughout the water column. • ...

Howard Chemistry 2024-05-07

Howard Chemistry crossword puzzle
Across
  1. A connection between two atoms.
  2. If there are equal numbers of atoms in the reactants and products, a chemical equation is ________.
  3. This film depicts the stories of barrier-breaking engineers at NASA during the "Space Race".
  4. Mr. Howard's birthday is in this month (correct answer should be written in Spanish).
  5. These are located on the outermost orbital.
  6. In this type of bond, atoms are completely transferred.
  7. This type of model of an atoms and includes ALL of the orbitals and electrons.
  8. How many protons does silver have?
  9. This many atoms are in carbon dioxide.
Down
  1. The turtle watches and is this.
  2. If NOT all of the dipoles cancel out in a molecule, it is _______ (and not the bear).
  3. This element weighs 27 amu, don't let this clue foil you.
  4. This type of reaction is the opposite of a combination reaction.
  5. This is an arrow that points toward the most electronegative atom in a bond.
  6. This type of change might result in an unexpected color change.
  7. Welcome to this.
  8. This event started the universe.
  9. How many of Mr. Howard's closest friends compete in the annual Day of Champions?
  10. This many atoms are in 2H2O(O2C3)2.
  11. The central part of the atom.
  12. The chair is dead, long live _____ ______.
  13. The final stage of the biggest stars in the universe.
  14. The element with the biggest atomic radius.
  15. The number of titles Mr. Howard has won.
  16. This musical artist just won in a feud with another rapper.

25 Clues: Welcome to this. • The central part of the atom. • The turtle watches and is this. • A connection between two atoms. • This event started the universe. • How many protons does silver have? • This many atoms are in 2H2O(O2C3)2. • This many atoms are in carbon dioxide. • The number of titles Mr. Howard has won. • The chair is dead, long live _____ ______. • ...

Chemistry Crossword 2024-05-07

Chemistry Crossword crossword puzzle
Across
  1. Substance that accepts protons
  2. State of matter with fixed volume but no fixed shape
  3. Pungent-smelling compound used in cleaning products
  4. Lightest and most abundant element
  5. Metal used in batteries and construction
  6. Simplest alkane and main component of natural gas
  7. Disinfectant and bleaching agent
  8. Metal with high electrical conductivity
  9. Basic solution with a pH greater than 7
  10. Inert gas used in balloons
  11. Common seasoning
Down
  1. Metalloid used in electronics
  2. Inert gas abundant in Earth's atmosphere
  3. Biological catalyst
  4. Negatively charged subatomic particle
  5. Simplest ketone used as a solvent
  6. Basic unit of matter
  7. Type of bond involving shared electrons
  8. pH value of pure water
  9. State of matter with fixed volume and shape

20 Clues: Common seasoning • Biological catalyst • Basic unit of matter • pH value of pure water • Inert gas used in balloons • Metalloid used in electronics • Substance that accepts protons • Disinfectant and bleaching agent • Simplest ketone used as a solvent • Lightest and most abundant element • Negatively charged subatomic particle • Type of bond involving shared electrons • ...

Chemistry Vocabulary 2024-05-08

Chemistry Vocabulary crossword puzzle
Across
  1. The building blocks of our universe
  2. Used to determind were on the PH scale the acid/base is
  3. The molecules of each substance break apart and form new molecules
  4. Changes that impact the physical asspect of the object, yet it remains the same
  5. The force between molecules that atrract and hold them together
  6. Different combinations of atoms
  7. Soulution, all taste sour, feel slippery , contans OH- ions
  8. The name of the mixture
  9. Study of matter
  10. The substance that does the dissolving
  11. All substances made up of particals
Down
  1. A prosses by which scientist conduct experiments
  2. All mater made of atoms
  3. Atoms or molecules that have more/less elcetrons comparded to protons
  4. The substances mix but don´t do anything eles
  5. Soulution, all taste bitter, corrosive to metal, contains H+ ions
  6. Changes that occour when two substances come together and a chemical reaction takes place
  7. One substance sinks or floats on the other
  8. Change to a neurtual substance
  9. Shows how strong acids/bases are
  10. The substance that dissolves

21 Clues: Study of matter • All mater made of atoms • The name of the mixture • The substance that dissolves • Change to a neurtual substance • Different combinations of atoms • Shows how strong acids/bases are • The building blocks of our universe • All substances made up of particals • The substance that does the dissolving • One substance sinks or floats on the other • ...

chemistry vocabulary 2024-05-13

chemistry vocabulary crossword puzzle
Across
  1. A device that determines the distance of an object under water
  2. the area where a freshwater stream or river merges with the ocean.
  3. The tendency of water
  4. at depth
  5. free-swimming animals that can move throughout water
  6. vents spots on the ocean floor where hot gases and minerals escape from earth
  7. Basin the area drained by a river
  8. an underwater vehicle built of strong materials to resist
Down
  1. the movement of deep, cold, and nutrient-rich water
  2. underground bed or layer yielding ground water
  3. Heat The amount of energy required to raise the temperature
  4. Ocean Zone the area of the ocean beyond the edge
  5. small river or stream that flows into a large river or stream
  6. the amount of matter in a given space
  7. water that fills the cracks and spaces in rock layers
  8. the tendency of water to stick to other substances
  9. Tension the tightness across the surface of water
  10. Tiny algae and animals that float in water
  11. Solvent the quality of water that makes it able to dissolves
  12. organisms that live on the bottom of the ocean
  13. the area of land that is drained by a water system

21 Clues: at depth • The tendency of water • Basin the area drained by a river • the amount of matter in a given space • Tiny algae and animals that float in water • underground bed or layer yielding ground water • organisms that live on the bottom of the ocean • Ocean Zone the area of the ocean beyond the edge • Tension the tightness across the surface of water • ...

Chemistry Revision 2024-07-19

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

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

Chemistry Crossword 2024-08-28

Chemistry Crossword crossword puzzle
Across
  1. The force of attraction between two similar or different atoms in a molecule.
  2. _______ energy stored in the nucleus of certain heavy metals such uranium or plutonium.
  3. The sub-atomic particle which has positive charge.
  4. An element is termed as __________ if it can exist independently as a single atom.
  5. A Pure Substance a ________ set of properties.
  6. The type of mixture in which different constituents are mixed uniformly.
  7. The number of electrons in an atom of Sodium(Na).
  8. Calcium atom has ____ shell(s).
  9. The method of separation the components of a solid-solid mixture in which one solid does not pass through liquid state when heated.
  10. The insoluble solid material which settles down when a suspension is allowed to stand undisturbed during sedimentation.
Down
  1. A substance which does not take part in a chemical reaction, but changes the rate of the reaction.
  2. The clear liquid obtained from a mixture of an insoluble solid and a liquid by the process of filtration.
  3. If the electrons are accepted by an atom of an element, to have electronic configuration of the nearest noble gas, the valency is said to be _______________.
  4. An Isotope of Hydrogen which 1 neutron.
  5. The electrons in the outermost shell of an atom.
  6. CO stands for Carbon _________.
  7. The phenomenon due to which certain elements emit highly penetrating radiations spontaneously.
  8. The outermost shell of an atom cannot have more than _____ electrons.
  9. A Nitrogen atoms requires 3 _________ to form a Nitride ion.
  10. Co-60 is a Radio-Isotope of the element ______.

20 Clues: CO stands for Carbon _________. • Calcium atom has ____ shell(s). • An Isotope of Hydrogen which 1 neutron. • A Pure Substance a ________ set of properties. • Co-60 is a Radio-Isotope of the element ______. • The electrons in the outermost shell of an atom. • The number of electrons in an atom of Sodium(Na). • The sub-atomic particle which has positive charge. • ...

Chemistry Crossword 2024-09-05

Chemistry Crossword crossword puzzle
Across
  1. the least frequent wavelength
  2. what block is Helium in on the periodic table
  3. what is the element that Zn represents
  4. what state is energy in when it gets to an excited state
  5. you can only shorten your notation if you put your noble gas in _____
  6. how should you write the frequency formula in your calculator?
  7. what block is Zn in?
  8. a principle in which electrons occupy the lowest energy shells first
  9. no charge
  10. to what power is 6.626 to when referring to energy
  11. if all of sulfur’s exponents add up to 16, what is sulfur’s atomic number?
  12. negative charge
  13. the units for frequency
  14. have a different number of neutrons, but same number of protons
  15. how many rows are in a periodic table
  16. what is the lowest point in the wavelength called
  17. where do electrons “possibly” store themselves?
  18. electrons have to occupy ____ before they can pair up
  19. what does E=h*v mean
  20. positive charge
Down
  1. what are the subshells (or “blocks”) electrons are grouped into IN ALPHABETICAL ORDER!
  2. what is the name of h/6.626*10^-34?
  3. also known as the atomic number
  4. what does energy emit when it returns back to its original state
  5. a principle in which electrons can only occupy the same orbital if they have the different spin
  6. to what power is 3.00 to when referring to the speed of light
  7. if it is row 4 in the S block, what row is it in the D block?
  8. ____ model is a model that displays the structure of an atom, but is slightly inaccurate (also used frequently in present day science classrooms)
  9. what should the number of electrons be equal to?
  10. how many electrons can fit into one orbital?
  11. where electrons could POSSIBLY be
  12. unit for measuring energy
  13. types of electrons that occupy the outer energy shell
  14. the most frequent wavelength
  15. if there are five orbitals, how many electrons can fit (MAXIMUM)
  16. what is the highest point in the wavelength called
  17. a section in the periodic table that has 2 rows of 14 elements
  18. to know the ______ you need to know the frequency

38 Clues: no charge • negative charge • positive charge • what block is Zn in? • what does E=h*v mean • the units for frequency • unit for measuring energy • the most frequent wavelength • the least frequent wavelength • also known as the atomic number • where electrons could POSSIBLY be • what is the name of h/6.626*10^-34? • how many rows are in a periodic table • ...

Chemistry Crossword 2023-01-30

Chemistry Crossword crossword puzzle
Across
  1. maximum and perfect amount of solute
  2. solutions that are compsition an have appearance
  3. loss of water in hydrate
  4. relationship between solubility and pressure
  5. dissolving medium
  6. graph of solubility
  7. more solute than it can handle
  8. what holds the water on the coin in place
Down
  1. solution where water is the solvent
  2. rate of dissolved solute
  3. does not conduct electric energy
  4. heterogeneous mixture
  5. process of ions being captured
  6. heterogeneous mixure that particles settle out
  7. where water animals cannot live
  8. a solid compound
  9. dissolved particles
  10. amount of solute
  11. substance that reduce surface tension
  12. conducts electric current

20 Clues: a solid compound • amount of solute • dissolving medium • graph of solubility • dissolved particles • heterogeneous mixture • rate of dissolved solute • loss of water in hydrate • conducts electric current • process of ions being captured • more solute than it can handle • where water animals cannot live • does not conduct electric energy • solution where water is the solvent • ...

Chemistry Crossword 2023-01-30

Chemistry Crossword crossword puzzle
Across
  1. maximum and perfect amount of solute
  2. solutions that are compsition an have appearance
  3. loss of water in hydrate
  4. relationship between solubility and pressure
  5. dissolving medium
  6. graph of solubility
  7. more solute than it can handle
  8. what holds the water on the coin in place
Down
  1. solution where water is the solvent
  2. rate of dissolved solute
  3. does not conduct electric energy
  4. heterogeneous mixture
  5. process of ions being captured
  6. heterogeneous mixure that particles settle out
  7. where water animals cannot live
  8. a solid compound
  9. dissolved particles
  10. amount of solute
  11. substance that reduce surface tension
  12. conducts electric current

20 Clues: a solid compound • amount of solute • dissolving medium • graph of solubility • dissolved particles • heterogeneous mixture • rate of dissolved solute • loss of water in hydrate • conducts electric current • process of ions being captured • more solute than it can handle • where water animals cannot live • does not conduct electric energy • solution where water is the solvent • ...

Chemistry Review 2023-01-30

Chemistry Review crossword puzzle
Across
  1. Heterogeneous mixture where particles settle.
  2. The thing that causes the dissolving.
  3. Conducts electricity in an aqueous solution.
  4. HOw much a substances dissolves at a certain temp
  5. AReas of the ocean with not enough oxygen to sustain life.
  6. __________ mixtures don't have uniform appearance/composition.
  7. Heterogeneous mixtures with dispersed particles.
  8. curve Graphs the solubility.
  9. Water is the solvent: an _______ solution.
  10. At a set temperature solubility is proportional to pressure.
  11. contains the max saturated content
Down
  1. tension What's responsible for the spherical shape of water drops : _______ tension.
  2. A substance that reduces surface tension.
  3. ________ bonds are the strongest intermolecular bonds.
  4. The pace as which a substance dissolves: ___________ rate.
  5. A hydrate losing water
  6. _________ mixtures have uniform appearance/composition.
  7. A solid, crystalline structure containing water molecules in it's crystal structure.
  8. Doesn't conduct electricity in an aqueous solution: ___electrolyte.
  9. More solute than is possible: deposits on a crystal if present.
  10. The thing that is actually dissolving.

21 Clues: A hydrate losing water • curve Graphs the solubility. • contains the max saturated content • The thing that causes the dissolving. • The thing that is actually dissolving. • A substance that reduces surface tension. • Water is the solvent: an _______ solution. • Conducts electricity in an aqueous solution. • Heterogeneous mixture where particles settle. • ...