Question

I am at the centre of the atom and contain both neutrons and protons. What am I?

and
Complete the sentence:
Atoms have no overall
charge because...

Answer 1

Nucleus and atoms have no overall charge because each element has the same number of protons and electrons which cancel out each other.

Answer 2

An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons. The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral.