Which of these statements about neutrons is true?
a. Neutrons travel around the nucleus of an atom.
b. A neutron has no charge.
c. Neutrons have less mass than electrons.
d. The number of neutrons in an atom always equals the number of electrons.
Neutrons are in the nucleus (centre) of the atom. They have no charge and are approximately the same size as a proton which is much bigger than an electron.
