_______ do not react chemically with other elements or compounds.

Elements and Compounds are ______ substances.

Atoms of same elements are

________ are inert gases.

________ of elements is the whole number in which atoms of different elements combines to form a molecule of a compound.

The number of atoms of an element that can join together to form a molecule of that element is known

Noble gases have _________ molecules.

A non - metal which is a good conductor of heat and electricity is

Molecules formed from smaller particles are called

Sodium and potassium are