What is the ratio of mass of an electron to the mass of a proton (a) 1 : 2 (b) 1 : 1 (c) 1 : 18 (d) 1 : 3
The ratio of the mass of an electron to that of a proton is roughly 1:1837. Therefore, the mass of an electron is negligible when compared to the mass of a proton.
Explanation: An electron is 1/1837 times lighter than a proton, so otheir mass ratio will be 1 : 1837.
