chemistry

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Across
  1. 4. built up of atoms
  2. 5. number the amount of protons
  3. 7. test a quiz
  4. 8. number how many little dots there are
  5. 10. good electric flow
Down
  1. 1. a combo
  2. 2. an element
  3. 3. shiny
  4. 6. a thing that is composed
  5. 9. the building blocks of matter