Which of the following statements about the electron is INCORRECT?
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
Which of the following statements about the electron is INCORRECT?
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.