Question

which of the following scientists discovered the electron? a j.j. thomson b none of the above c james maxwell d william crooke

Explanation:

J.J. Thomson is credited with the discovery of the electron in 1897 through his experiments with cathode - ray tubes. James Maxwell is known for his work on electromagnetism. William Crooke made contributions to the study of cathode rays but did not discover the electron.

Answer:

A. J.J. Thomson