Which subatomic particle has the smallest mass?

A) an electron

B) a neutron

C) an alpha particle

D) a proton

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Related questions

A neutron has approximately the same mass as

(1) an alpha particle,

(2) a beta particle,

(3) an electron,

(4) a proton.

chocolatemink166

A neutron has approximately the same mass as

(1) an alpha particle, (2) a beta particle, (3) an electron, (4) a proton.

graylizard925

A neutron is an electrically neutral subatomic particle with a mass just slightly greater than that of a proton. A free neutron is radioactive and decays after a few minutes into other subatomic particles. In one experiment, a neutron at rest was observed to decay into a proton (mass ) and an electron (mass ). The proton and electron were shot out back to back. The proton speed was measured to be and the electron speed is . N other decay products were detected.