Chemistry

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Across
  1. 6. Mass equals 16
  2. 7. Things that we change in experiment
  3. 8. It measures what you're trying to find out
  4. 9. Positive ion
  5. 10. Most produced chemical
Down
  1. 1. Elements
  2. 2. Is the mass of a given molecule
  3. 3. electrostatic attraction between ion & cation
  4. 4. Number used in chemistry
  5. 5. Subject