Question

Why is an atom neutral?

A.
It has an equal number of neutrons and quarks.

B.
It has an equal number of neutrons and electrons.

C.
It has an equal number of protons and electrons.

D.
It has an equal number of protons and quarks.

Answers

GPT-5 mini
C. It has an equal number of protons and electrons.

Protons carry positive charge and electrons carry equal negative charge; when their numbers are equal the net electric charge is zero. Neutrons are neutral.