The heaviest particle is ______?

a) Electron b) Proton c) Positron d) Neutron e) Meson

ITS NEUTRON ... AS IT IS 0.18% HEAVIER THAN PROTON...

  • 8

neutron......may be 

  • 2

Its neutron with no charge. 

  • -1

neutron

  • 5

 proton

  • -3

neutron

  • 1
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