Which of the following statements about the electron is incorrect?

Options

A. It is a negatively charged particle
B. The mass of electron is equal to the mass of neutron
C. It is a basic constituent of all atoms
D. It is a constituent of cathode rays

Answer

B

Explanation

The mass of electron is very small as compared to the mass of the neutron.
Mass of electron = `9.1xx10^(-31)kg`
Mass of neutron = `1.67xx10^(-27)kg`