Question

Beta rays are made up of particles identical to.....

A. Protons
B. Electrons
C. Neutrons
D. Hydrogen atom

Answer 1

Beta rays are made up of high-speed electrons, making the correct answer B. Electrons.

Step-by-step explanation:

Beta rays are made up of high-speed electrons, making the correct answer B. Electrons. Beta particles have a single negative charge and negligible mass. They are attracted to positive charges in electric fields and are shielded by thin sheets of metal.