AP® Physics 1 & 2

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Fundamental Particle

APPH12-NEJVQZ

Which of the following must be true for an elementary particle to be called fundamental?

A

It must be very dense, like the proton.

B

It must have a positive charge value, like an alpha particle.

C

It must not have an electrical charge, like a neutron.

D

It must be indivisible into smaller particles, like an electron.