Chemistry Crossword #1 April 9th + 10th

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Across
  1. 2. Any of a variety of kinds of matter
  2. 5. A process that changes chemical identities
  3. 8. What results from a chemical reaction
  4. 10. Show a reaction's direction
  5. 11. To change the state of matter
  6. 12. In the outermost energy level
  7. 13. Electron is given up
Down
  1. 1. Shows substance's state of being
  2. 3. Electrons are shared
  3. 4. What goes into a chemical reaction
  4. 6. Attraction between certain kinds of molecules
  5. 7. A very, very large number
  6. 9. Anything with volume and mass