Which of the following is an element?
Hydrogen sulphide
Ammonia
Water
Tin
An element is a pure substance that cannot be broken down by any physical or chemical means into a simpler substances.
Classify the following solids in different categories based on the nature of intermolecular forces operating in them:
Potassium sulphate, tin, benzene, urea, ammonia, water, zinc sulphide, graphite, rubidium, argon, and silicon carbide.