Chemistry Bonus Crossword!

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Across
  1. 2. Smallest particle of an element
  2. 3. The study of matter and the changes it undergoes
  3. 6. The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction
  4. 8. A neutral subatomic particle in an atoms nucleus that has a mass nearly equal to that of a proton
  5. 10. States that the volume of a given amount of gas at a constant temperature varies inversely with the pressure
  6. 12. Chemical reaction in which a greater amount of energy is required to break the existing bonds in the reactants than is released when the new bonds form in the product molecules
  7. 14. The chart that organizes all the known elements
  8. 16. The amount of a substance that contains 6.02x10^23 particles
  9. 19. The SI unit of heat and energy
  10. 20. Measure of the amount of matter
  11. 21. Sub atomic particle in an atoms nucleus that has a positive charge of plus one
Down
  1. 1. The process by witch a gas or vapor becomes a liquid
  2. 4. The capacity to do work or produce heat
  3. 5. Describes the physical behavior of an ideal gas in terms of the temperature, volume, and pressure and number of moles of a gas that are present
  4. 7. An atom or bonded group of atoms with a positive or negative charge
  5. 9. Negatively charged fast moving particle
  6. 11. A form of matter that flows, has constant volume, and takes the shape of it's container
  7. 13. Chemical reaction that occurs when a single compound breaks down into two or more elements or new compounds
  8. 15. Chemical reaction in which more energy is released than is required to break bonds in the initial reaction
  9. 17. Process in which vaporization occurs only at the surface of a liquid
  10. 18. Ratio that compares the mass to the volume