Bonds

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Across
  1. 2. positive
  2. 4. mass#
  3. 7. Negative
  4. 9. by atomic mass
  5. 10. chemical bonds held together in groups are
  6. 11. Down the periodic table
  7. 12. 0
Down
  1. 1. smallest
  2. 3. two
  3. 5. Across Periodic table
  4. 6. change identity
  5. 8. Share
  6. 9. Transfer