Question

The charge on a proton is e.
What is the charge on an electron and what is the charge on a neutron?
A. electron: e; neutron: e
B. electron: e; neutron: 0
C. electron: -e; neutron: -e
D. electron: -e; neutron: 0

Answer 1

Hint – To solve this problem, you need to realize that the proton and electron charge is the same and that the neutron is neutral. Knowing this is going to fix your problem, and you'll get the right answer.

Complete step-by-step answer:
A proton is a particle, with symbol p or p+ and a positive charge of +e and a mass slightly less than that of a neutron. Protons and neutrons, each with masses of approx. 1 AMU.
The electron is a subatomic particle that is a symbol $e^{-}$ or ${\beta }^{-}$. The electrical charge in which it is negative is one elementary charge.

The neutron is a subatomic particle, a representation of n or .$n^0$., for no electrical charge and a weight marginally greater than that of a proton. Protons and neutrons form the nucleus of atoms. Protons and neutrons behave the same inside the nucleus, and both having a mass of approx. one atomic mass unit, they both are referred to as nucleons. The neutron has a mass about 1/1836 that of the proton.

The charge on an electron is ${}^{-}e$, it is negative.
The charge on a neutron is 0, it is neutral.

Note – Here you need to know that the charge on an electron is $-1.6\times {10}^{-19}$ coulombs and that of proton is $1.6\times {10}^{-19}$ coulombs. We recommend you to remember these values since it is very useful in many of the problems of physics and chemistry. You will be getting such problems in various competitive exams where you have to use these values.