Hannah's science

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Across
  1. 1. reaction you mix two chemicals & they react
  2. 3. the same number as the atomic number
  3. 5. everything that you can touch feel or see
  4. 8. subtract the atomic# from the atomic mass =
  5. 10. the ___ of mater are solids, liquids and gases
  6. 12. the very center of an atom
  7. 14. the dots on the shells
  8. 15. a state of matter
Down
  1. 2. the very very small things that make up matter
  2. 4. the atomic number is 7
  3. 6. all the things on the periodic table
  4. 7. point when things start melt
  5. 9. atomic number is 8
  6. 11. the only element that has 1 electron
  7. 13. the atomic mass is 32.066