Periodic Table

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Across
  1. 3. it's in group 15 and period 2
  2. 4. atomic number of 1
  3. 7. atomic number of 85
  4. 8. atomic number of 82
  5. 12. atomic number of 21
  6. 13. atomic number 112
  7. 14. it's in group 2 and period 7
Down
  1. 1. it's in Group 1 and Period 4
  2. 2. it's in group 18 and period 1
  3. 3. it's in group 18 and period 2
  4. 5. atomic number of 8
  5. 6. it's in group 4 and period 4
  6. 9. atomic number of 54
  7. 10. it's in group 8 and period 6
  8. 11. it's in group 1 and period 2