S&S Chemistry 2

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Across
  1. 3. radioactive metallic elements (#89-103)
  2. 6. element #12, a silver-white metal
  3. 8. element #10, an inert gaseous element
  4. 10. metallic elements (#57-71)
  5. 12. element #3, a soft silver-white metal
  6. 13. element # 17, a toxic, pale green gas.
  7. 14. column in the periodic table of elements
Down
  1. 1. Group 17 (VIIA) elements
  2. 2. Group 1 (IA) elements
  3. 4. Groups 3(IIIb)–12(IIb) elements
  4. 5. element # 92, a gray radioactive metal
  5. 7. Group 2 (IIA) elements
  6. 9. row of chemical elements
  7. 11. rare, very stable gases
  8. 13. element #29, a red-brown metal.