Question

The nucleus of an atom is positively charged.Why ?

Answer 1

because it have protons which give it a positive charge

Answer 2

The nucleus of an atom is positively charged
because the subatomic particles which are present in the nucleus are neutrons and protons

neutrons do not carry any charge but the protons carry positive charge

so the nucleus is positively charged and the electrons which are negatively charged revolve around it in Orbit