The neutron is the electrically neutral particle that, along with the proton, makes up the atomic nucleus. The mass of the neutron, compared with that of the proton, is
A) 1/2000 as large.
B) 2000 times greater.
C) about 1/10 as large.
D) about the same.

Question

Quizplus · Accepted Answer

The mass of the neutron is very close to that of the proton, making both particles almost equal in mass. This similarity in mass is crucial for the stability of atomic nuclei.

The Neutron Is the Electrically Neutral Particle That, Along with the Proton