Atomic mass is expressed in

The total number of protons or electrons present in an atom is called

The charge of an electron was determined by

Neutron was discovered by

____ is considered to be a divisible particle.

_______ is the volume occupied by one mole of any gas at STP.

A _______ is the smallest particle of an element or compound.

The atomic mass of an element is expressed in grams, is known as

The word atom is derived from the Greek word

Electron was discovered on ____ experiment.