Chemistry Review

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Across
  1. 4. Smallest part of an element
  2. 5. Substance made up of more than one kind of atom
  3. 6. Part of atom with no charge (neutral)
  4. 10. Negative part of an atom
  5. 11. Has mass and takes up space
  6. 13. Atom of an element with a different number of neutrons
  7. 14. Pure substances made of only one kind of atom
Down
  1. 1. Contains protons and neutrons
  2. 2. Total number of protons and neutrons in an atom
  3. 3. Number of protons in an atom
  4. 7. Where electron are found in an atom
  5. 8. Positive part of atom
  6. 9. Solid liquid and gas
  7. 12. Smallest part of a compound