Chemistry

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Across
  1. 2. a sort of recipe that includes symbols
  2. 4. any form of writing
  3. 5. pertaining to ions, having a charge
  4. 7. happening every once in awhile
  5. 9. to increase
  6. 10. steady
  7. 11. when two or more things join together
  8. 12. to have something in common
Down
  1. 1. a solid with a
  2. 3. a visual symbol
  3. 6. to give power or load with energy
  4. 8. __________ electrons; "powerful"