Which elements form group 16 (the chalcogens)

1. A.
   Tellurium
2. B.
   Polonium
3. C.
   Selenium
4. D.
   Astatine

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1. A.
   Group 13
2. B.
   Group 15
3. C.
   Group 16
4. D.
   Group 17

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1. A.
   At
2. B.
   Po
3. C.
   Se
4. D.
   Te

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1. A.
   $\mathrm{S}$
2. B.
   $\mathrm{Te}$
3. C.
   $\mathrm{Po}$
4. D.
   $\mathrm{At}$

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