Which of the following people determined that atoms contain electrons and protons?

Question

Group of answer choices

Charles Coulomb

Joseph Proust

Antoine Lavoisier

J. J. Thomson and Ernest Rutherford

Answer 1

The correct answer is J. J. Thomson and Ernest Rutherford.

J.J. Thomson is credited with the discovery of the electron in 1897, while Ernest Rutherford conducted experiments that led to the understanding of the atomic nucleus, where protons reside. Together, their work established that atoms are composed of electrons and protons.