types of bonds

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Across
  1. 6. happens after delocalazation
  2. 8. sharing 2 pairs of electrons
  3. 9. element and valence electrons
  4. 10. full valence shell
  5. 13. the most abundant and basic element
  6. 14. orbits around the nucleus
  7. 15. an atom with an negative charge
Down
  1. 1. sharing 3 pairs of electrons
  2. 2. delocalizes
  3. 3. electrons on the outermost shell
  4. 4. sharing a pair of electrons
  5. 5. an atom with a positive charge
  6. 7. steals electrons
  7. 11. basic unit of an element
  8. 12. shares electrons