Question

write the names of three elementary particles which constitute an atom.

Answer 1

The particles which constitutes an atom are known as ;
Neutron,Proton and Electron.
These are also known as subatomic particles of an atom.

Electron was discovered by JJ Thomson.

Proton was discovered by
E . Goldstein

Neutron was discovered by James Chadwick.

HOPE it helps u dear.

Answer 2

The three elementary particles which constitute an atom are as follows-
1. Protons.
2. Neutrons.
3. Electrons.