ATOMIC MODELS

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Across
  1. 4. 1ST ELEMENT OF PERIOD 1
  2. 6. 1ST HALOGEN ELEMENT
  3. 7. NOBLE GAS WITH Z = 10
  4. 9. 1ST ALKALINE EARTH METAL
  5. 10. ATOMIC NUMBER Z = 7
Down
  1. 1. 1ST ELEMENT IN GROUP 16
  2. 2. ATOMIC NUMBER Z = 5
  3. 3. 1ST ELEMENT IN NOBLE GASES GROUP
  4. 5. ATOMIC NUMBER Z = 3
  5. 8. 2ND ELEMENT IN PERIOD 2, GROUP 14