Chemistry

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Across
  1. 2. atoms in molecules attract electrons
  2. 5. attraction between oppositly charged ions
  3. 6. 2 atoms share 1 or more electron pairs
  4. 7. a sea of mobile electrons
Down
  1. 1. evenly shared electrons
  2. 3. unevenly sharing electrons
  3. 4. to have 8 valence electrons