Richardferrera04viz
Answered

densely part of an atom containing p and n​

Sagot :

Marlomserdanviz

Answer:

nucleus

Most of an atom's mass is in the nucleus—a small, dense area at the center of every atom, composed of nucleons. Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons.