CHEMISTRY [1 Mark Question Answer]

The molecular formula represents the composition of a molecule of an element or compound. The molecular formula of a substance is also known as its chemical formula.

Atoms of very’ elements like noble gases can exist indepedently. Molecules can exist independently.

A molecule is the smallest particle of an element or a compound that has independent existence and shows all the properties of that substance.

A compound is a substance made up of two or more elements chemically combined together in a fixed ratio.

Two types of pure substances are elements and compounds.

Atomicity

Molecule

Metalloids

Inert or noble gases