Chemistry Crossword Puzzle

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Across
  1. 4. pH of 7
  2. 5. the amount of heat energy needed to raise the temperature of 1 gram of water 1 degree Celsius
  3. 8. A part of chemistry that studies amounts of substances that are involved in reactions
  4. 9. Subatomic particle with a positive charge
  5. 13. a homogeneous mixture
  6. 14. two substances that can mix
  7. 16. pH of 8-14
  8. 17. subatomic particle with a negative charge
  9. 18. branch of science that deals with the composition, structure, properties, and transformations of substances
  10. 19. number of protons and neutrons in an atom's nucleus
Down
  1. 1. elements on the left side of the periodic table (first column)
  2. 2. the amount of heat energy needed to raise the temperature of a gram of a substance 1 degree Celsius
  3. 3. pH of 0-6
  4. 6. the area around a nucleus that contains electrons
  5. 7. adding a base to an acid or an acid to a base to neutralize
  6. 10. elements on the right side of the periodic table (last column)
  7. 11. when to substances can not mix
  8. 12. substance that takes part in and undergoes change during a reaction
  9. 15. subatomic particle with a neutral charge
  10. 20. standard temperature and pressure