Introduction to the Periodic Table

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Across
  1. 5. scientists all over the world can understand
  2. 7. Period 7, Elements 89 - 112
  3. 8. (2) Number of protons in the nucleus
  4. 9. Scientist who first created P.T.
  5. 11. (2) Group 2 elements
  6. 12. symbols are used because it is easier
  7. 15. (3) elements arranged on P.T.
Down
  1. 1. number of Groups on the P.T.
  2. 2. Inert gasses
  3. 3. (2) Group 1 elements
  4. 4. Found in Group 6; Elements 57 - 80
  5. 6. (2) Groups 3 - 12
  6. 10. semi-conductors
  7. 13. number of Periods on the P.T.
  8. 14. Group 17 elements
  9. 16. most abundant element in the atmosphere