Question

State true or false.

Sulphur is an insulator while selenium and tellurium are semiconductors.

• A. True
• B. False

Answer 1

The correct option is A True

The trend from nonmetallic to metallic character upon going down the group is exemplified by the conductivities of these elements. Sulphur is an insulator, selenium and tellurium are semiconductors.

In addition, the conductivities of sulphur, selenium, and tellurium increase with increasing temperature, behaviour typical of non-metals.