The discovery of the electron as a subatomic particle was a result of

August 2018 NY Regents Chemistry Exam

4 The discovery of the electron as a subatomic particle was a result of (1) collision theory (2) kinetic molecular theory (3) the gold-foil experiment (4) experiments with cathode ray tubes

Solution: The discovery of the electron as a subatomic particle was a result of experiments with cathode ray tubes.