Science Crossword

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Across
  1. 2. Periodic
  2. 7. Atomic
  3. 8. Formula
  4. 10. Element
  5. 11. Molecule
Down
  1. 1. Mixture
  2. 3. Chemical
  3. 4. Compound
  4. 5. Atomic
  5. 6. Matter
  6. 9. Atom