Compare electron, proton, and neutron in respect of relative charge and mass.

Property	Electron	Proton	Neutron
Absolute Mass	$9.109\times {10}^{-28}\mathrm{g}$	$1.6725\times {10}^{-24}\mathrm{g}$	$1.6748\times {10}^{-24}\mathrm{g}$
Relative Mass	$\frac{1}{1837}$	1	1
Absolute Charge	$-1.602\times {10}^{-19}\mathrm{C}$	$1.602\times {10}^{-19}\mathrm{C}$	0
Relative charge	-1	+1	0