Question

give reson -atom are stable through negatively charge electron are revolving with it

Answer 1

Because the core or the NUCLEUS of the atom contains Protons and neutrons which collectively possess positive charge

Answer 2

the stability of an atom does not depend on electrons revolving around it. It depends on the no of electrons revolving around it. The no of protons and electrons in an atom must be equal in order to ensure the atom's stability