CBSE Class 9 Chemistry Model of An Atom

Q.

The smallest unit of an element is the



Q.

Which of the following is not a subatomic particle of an atom?



Q.

Hydrogen is heavier than an electron by



Q.

Which of the following sub-particles of an atom is neutral?



Sub-atomic Particles - Part 1

This video explains sub-atomic particles, i.e. proton, electron and neutron.