Question

Explain the discovery of neutron ..​

Answer 1

Answer:

By 1920, physicists knew that most of the mass of the atom was located in a nucleus at its center, and that this central core contained protons. In May 1932 James Chadwick announced that the core also contained a new uncharged particle, which he called the neutron.

Answer 2

$\small\boxed{\underline{\mathcal {\red{A}\green{N}\pink{s}\orange{w}\blue{E}\pink{R}}}}$

By 1920, physicists knew that most of the mass of the atom was located in a nucleus at its center, and that this central core contained protons. In May 1932 James Chadwick announced that the core also contained a new uncharged particle, which he called the neutron.