IF U ANSWER I HAVE AN APPLE GIFT CARD CODE FOR UUU!! 3. Since subatomic particles are matter they have mass. Compare the masses of the subatomic particles. Where is the majority of an atom’s mass located?
Over 99.9 percent of an atom's mass resides in the nucleus. The protons and neutrons in the center of the atom are about 2,000 times heavier than the electrons orbiting around it.
