Question

why only electrons can be transfer charge not protons​

Answer 1

Answer:

Electrons are free to move,on being provided with energy.

Explanation

Electrons are located in shells surrounding the nucleus of the atom,whereas protons are present inside the nucleus. Electrons can move out of the shells on providing energy, but movement of proton will require a very high amount of energy (so as to break the nuclear force)

Answer 2

Answer:

because it's only have negative ions...