What's the Atom?

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Across
  1. 2. Mass Number 197
  2. 4. 22 Protons
  3. 7. Valence electrons determine _________.
  4. 8. 3 Valence Electrons
  5. 10. 4 Valence Electrons
  6. 11. Atomic Number 115
  7. 12. 86 Protons
Down
  1. 1. 61 Electrons
  2. 3. 20 Protons
  3. 5. Atomic Number 26
  4. 6. 8 Valence Electrons
  5. 9. Identify an element