Assignment

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Across
  1. 1. chemical element
  2. 3. covalent
  3. 5. sharing
  4. 8. any substance that has a defined composition
  5. 10. hold molecules together
Down
  1. 2. 2 or more atoms
  2. 4. atom rule
  3. 6. transformation of chemicals
  4. 7. Ionic
  5. 9. taking/giving