Question

The ratio of the charge of an ion or subatomic particle to its mass (q/m) is called specific charge. Then the incorrect option is:
a) Electron: 1.76 x 10⁸ C/kg
b) Proton: 9.58 x 10⁷ C/kg
c) Neutron: 0 C/kg
d) Alpha particle: 3.2 x 10⁷ C/kg