Multiple choice

Electron was discovered by

  1. Rutherford

  2. Bohr

  3. J. J. Thomson

  4. Ramsay

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

J.J. Thomson discovered the electron in 1897 through his experiments with cathode ray tubes. Rutherford is known for the proton and the nucleus, while Bohr is known for the atomic model.