Witch component of the atom has the least mass. a. protonsb. electrons c. neutrons d. all the same size

Protons and Neutrons are the same size and have the same mass (1Amu)

If you notice, atomic mass is protons + Neutrons.

The mass of an electron is so small that it is often neglected in terms of calculations.

B electrons is the answer

The real answer is keeping the world healthy so we won’t die