Chemistry

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Across
  1. 3. Smallest Unit of Ordinary Matter that forms a chemical element.
  2. 7. Something that is Nuetral
  3. 8. Definite Shape and Volume
Down
  1. 1. Something that cannot be broken down into other substances.
  2. 2. Something that is Negative
  3. 4. Has mass and volume
  4. 5. Something that is Positive
  5. 6. Number- Number of Protons