J. J. Thomson's experiments with a type of invisible beam known as a cathode ray demonstrated that
A) neutrons exist.
B) light is a wave.
C) electrons exist.
D) light is made of particles.
E) the atom contains a tiny nucleus containing most of the atom's mass.

Question

Quizplus · Accepted Answer

J. J. Thomson's experiments with cathode rays led to the discovery of the electron, a negatively charged subatomic particle.

J J Thomson's Experiments with a Type of Invisible Beam Known