Question

nucleus is the center of the atom which contains ____________ and ______________​

Answer 1

Answer:

protons and newtrons

Explanation:

because at the center of an atom only protons and neutrons are present which is called as the necleus

Answer 2

Answer:

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).