Question

Chalcogen group elements are :

• A. $O,Ti$ and $Po$
• B. $S,Te$ and $Pm$
• C. $Se,Tb$ and $Pu$
• D. $Se,Te$ and $Po$

Answer 1

The correct option is D $Se,Te$ and $Po$

Chalcogens are the chemical elements in group 16 of the periodic table according to the modern IUPAC notation. This group is also known as the oxygen family. It consists of O, S, Se, Te, and the radioactive element polonium (Po).
Ti, Pm and Pu do not belong to Chalcogen group.
Hence, the correct option is (d).