An atom is electrically

The smaller particles present inside the atom are called

The important sub-atomic particles inside the atom are

The negatively charged particles are

The positively charged particles are

The chargeless particles are

The charge of alpha particles is

Rutherford’s model is known as

The nucleons are

Rutherford’s model could not explain

According to Neils Bohr’s model, electrons are present in

Most of the mass of an atom is concentrated in

n = 2, represents …… shell.

Maximum number of electrons that can be accommodate in a shell is given by the formula

Maximum number of electrons that can be accommodated in N shell is