Group 16 element

group of chemical elements
Oxygen (in a gas-filled tube)

Group 16 is the third last group in the periodic table. This group is called the oxygen family or the chalcogens. The elements in this group are oxygen, sulfur, selenium, tellurium, polonium and livermorium. The first three elements are nonmetals and the last two are semimetals. Polonium and livermorium are radioactive. Oxygen (as O2) is a colorless gas.