Question

Match the statements in column A with those in column B

Answer 1

1) A statement that describes a chemical reaction in terms of Symbol and formula is called Chemical equation.

2) A chemical change in which two elements combine to give one substance is called combination.

3) A subatomic particle which is neutral is neutron.

4) A positively charged particle is Proton.

5) Number of electron occupied or donated in outer most shell is called Valency.

6) Most abundant inert gas is Argon.

7) The central core of an atom is nucleus.

8) The small particle of a substance containing different kind of atoms and having independent axis and molecule.