Solution:
(a) Non-metals are materials that conduct electricity poorly and are neither malleable nor ductile.
Carbon, sulphur, phosphorus, silicon, and oxygen are some examples.
(b) Carbon is a good conductor of electricity.
(a) Define non-metals. Give five examples of non-metals. (b) Name a non-metal which conducts electricity.
(a) Define non-metals. Give five examples of non-metals. (b) Name a non-metal which conducts electricity.