Sodium and potassium are

_______ do not react chemically with other elements or compounds.

The symbolic representation of a compound is called its

_______ emit radiations which may be harmful.

Elements and Compounds are ______ substances.

Table salt is a compound that can be broken down into two elements which are ______ and chlorine.

Two or more atoms of the same element combine to form molecules of

Phosphorous is

Atoms of same elements are

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