Question

What is the absolute charge of a proton?

(a) +1.602176×10^-27

(b) –1.602176×10^-19

(c) +1.602176×10^-19

(d) –1.602176×10^-27

This question was addressed to me in an internship interview.

The doubt is from Atomic Models in portion Structure of Atom of Chemistry – Class 11

Answer 1

Right option is (b) –1.602176×10^-19

To explain: According to the fundamental properties of particles, protons charge is +1.602176×10^-19C. It is a subatomic particle. Rutherford discovered protons. Its elementary charge is 1. Proton’s charge is positive.