Question

which is the lightest particle in an atom?​

Answer 1

Answer:

Electron, lightest stable subatomic particle known. It carries a negative charge, which is considered the basic unit of electric charge. The rest mass of the electron is 9.10938356 × 10−31 kg, which is only 1/1,836the mass of a proton.

Answer 2

Answer:

The right answer is electron.