Question

Why electrons did not fall in the nucleus​

Answer 1

Explanation:

Electrons are not little balls that can fall into the nucleus under electrostatic attraction. ... The process is known as "electron capture" and it is an important mode of radioactive decay. In electron capture, an atomic electron is absorbed by a proton in the nucleus, turning the proton into a neutron.

Answer 2

$\huge\star{\underline{\mathfrak{Answer}}}$

The electrons do not fall in the nucleus while revolving around it because of the electropetal force of the nucleus and because they move in a orbit which is particular.