Chemical Bonds

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Across
  1. 3. a particle with a positive or negative charge
  2. 4. bond forms when atoms share one or more pairs of electrons
  3. 5. bond an interaction that holds atoms or ions together
  4. 7. electrons found in the outermost energy level
Down
  1. 1. bond forms between metal atoms when their outermost energy levels overlap
  2. 2. bond a force that brings oppositely charged ions together
  3. 6. a group of atoms held together by chemical bonds