B.P.S.C. TRE-3 July, 2024
Which subatomic particle has negligible mass?
aNeutron
bProton
cElectron✓ Correct
dMore than one of the above
eNone of the above
Explanation
(376) ## Page 25 An electron is a negatively charged subatomic particle that moves around the atomic nucleus. The charge on an electron is $-1.602 \times 10^{-19}$ C. The mass of an electron is about $9 \times 10^{-31}$ kg.
general-science