Periodic Table

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Across
  1. 2. Atomic Number 12
  2. 4. Defines the element
  3. 7. Atomic Number 16
  4. 8. Metalloid
  5. 9. Noble Gas
Down
  1. 1. One valence electron
  2. 3. Negative Charge
  3. 5. Found in the nucleaus
  4. 6. Au