Chemistry Crossword

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Across
  1. 3. vertical group
  2. 8. no fixed valence electrons
  3. 9. metal+metal
  4. 10. -charge atom
  5. 11. outermost
Down
  1. 1. +charge atom
  2. 2. non metal+non metal
  3. 4. +charge
  4. 5. conducts heat
  5. 6. horizontal group
  6. 7. not fixed to atom