Which statement about neutrons is true?
a. neutrons travel around the nucleus of an atom.
b. the number of neutrons in an atom always equals the number of electrons. c. neutrons have less mass than electrons.
or
d. a neutron has no charge.

D. A neutron has no charge

Explanation: Neutrons are subatomic particles found inside the nucleus of an atom. This particle is neutral and has no charge at all. That is the reason why the nucleus is positively charge since only the protons exhibits a charge and the neutrons carries no charge.

b.

the accuracy of the data.