Periodic table and Atoms

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Across
  1. 2. metals groups 3-12
  2. 4. average
  3. 6. metals group 1 (except Hydrogen)
  4. 8. Negative charge
  5. 10. groups 14-16
  6. 12. No charge
  7. 13. vertical
Down
  1. 1. Positive charge
  2. 3. Made up of protons,neutrons,and electrons
  3. 4. group 2
  4. 5. abbreviation for the element
  5. 7. number of protons and neutrons
  6. 9. organizes the elements
  7. 11. horizontal