Which particle has the least mass?(1) alpha (3) neutron (2) beta particle (4) proton

1 answer:

ivann1987 [24]3 years ago

4 0

Alpha particle has a mass of 4 (Two protons and two neutrons)
Neutron has a mass of 1
Beta particle has a mass of about 0 (Electron)
Proton has a mass of 1
So the answer is (2) Beta particle

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