Periodic Table-Miguel

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Across
  1. 2. S
  2. 3. (6,6)
  3. 6. I have 82 neutrons in group 14
  4. 8. is a hard brittle crystalline metallic luster
  5. 9. Li
  6. 12. (2,4)
  7. 13. I have 27 protons
Down
  1. 1. is a rare gas of group 18
  2. 4. I have 79 electrons
  3. 5. I have 54 protons
  4. 7. I have an atomic number of 72
  5. 10. Hg
  6. 11. i have 86 neutrons in group 18