Question

what is an atomic nucleus?
a positive charge that is spread throughout the entire atom
b electrically neutral region at the center of the atom
c positively charged region at the center of the atom
d negatively charged region at the center of the atom

Explanation:

The atomic nucleus is located at the center of an atom and contains protons (positively - charged) and neutrons (neutral). So it is a positively - charged region at the center of the atom.

Answer:

C. positively charged region at the center of the atom