Nucleus and Composition of Nucleus


The positive charge and entire mass of atom is concentrated at its centre called nucleus. 

Radius of atom 10⁻¹⁰ m

Radius of Nucleus 10⁻¹⁵ m

Composition of Nucleus:

The nucleus was first discovered in 1911 by Lord Rutherford and his Associates by experiments on scattering of α-particle by atoms. 

Nucleus is made up of photons and neutrons these are called nucleons and electron are revolving around the nucleus. 

Scroll to Top