Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

Which of the following experiments disproved the idea that the atom is indivisible?
Options
A Millikan's oil drop experiment
B Thomson's cathode ray experiment
Correct Answer
C Rutherford's gold foil experiment
D Planck's quantum theory
Correct Answer

Option B is the correct answer.

Detailed Explanation

Thomson's cathode ray experiment discovered the electron, proving that atoms are divisible into subatomic particles.

Hint

Discovery of the electron showed atoms have smaller parts.

Question Info