Lucas' H20 Vocab Review

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Across
  1. 3. negative charge revolves around the nucleus
  2. 5. the end of a chemical reaction
  3. 6. center of atom; full of protons and neutrons
  4. 9. neutral charge;found in the nucleus
  5. 11. a substance made from two or more different elements that have been chemically joined.
  6. 13. makes up everything
  7. 14. what atoms make water?
Down
  1. 1. The smallest particle of a substance that has all of the physical and chemical properties of that substance.
  2. 2. shows how many atoms are in a compound
  3. 4. a force that holds atoms together
  4. 7. Positive charge, found in nucleus
  5. 8. What is the letter of the atom?
  6. 10. the start of a chemical reaction
  7. 12. oxygen gas
  8. 14. hyrdogen gas