Chemistry crossword puzzle

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Across
  1. 1. good conductors of electricity
  2. 5. transition of molecules from the liquid phase to vapor phase
  3. 6. state of matter with a stable fixed shape
  4. 7. electron where oxidation occurs
  5. 10. condensable gas
  6. 12. particle in the atomic nucleus that has a mass of 1 and a charge of 0
  7. 13. finished result of a chemical reaction
  8. 14. reactant starting material for a chemical reaction
  9. 15. number of electrons associated with an atom or a group of atoms is increased
  10. 16. is represented by the element Na
  11. 18. a group of atoms bonded together
  12. 19. when heat is given out
Down
  1. 2. describes a system containing water
  2. 3. loss of electrons by an atom, molecule or ion in a chemical reaction
  3. 4. movement of fluid from higher concentration to lower concentration
  4. 5. when heat is taken in
  5. 8. any substance that cannot be decomposed into simpler substances by ordinary chemical processes
  6. 9. a subatomic particle found in the nucleus of every atom
  7. 11. yellow-colored transition metal with element symbol Au
  8. 13. horizontal row of the periodic table
  9. 17. able to be shaped or pounded with a hammer, usually applied to metals
  10. 20. electrode where reduction occurs