Chemistry

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Across
  1. 6. Where the electrons stay in an atom
  2. 7. Chemically connected
  3. 9. Smallest particle of substance
  4. 10. Neutrally charged
Down
  1. 1. Not chemically combined and can be separated
  2. 2. Negatively charged
  3. 3. Table List of elements
  4. 4. Substances made up of the same type of atom
  5. 5. Where the neutrons and protons stay in an atom
  6. 8. Positively charged