Atoms of same elements are

________ are good conductors of heat and electricity.

Elements and Compounds are ______ substances.

Phosphorous is

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

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

The symbolic representation of a compound is called its

Sodium and potassium are

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

_______ represents the element hydrogen.