Which scientist first proposed that the electron in the hydrogen atom can have only certain energies?
A)Planck
B)Einstein
C)Bohr
D)Rydberg
E)Heisenberg

Question

Quizplus · Accepted Answer

Niels Bohr first proposed the idea that the electron in a hydrogen atom can only have certain energies, which he called quantized energy levels. This idea was a key development in the early days of quantum mechanics.

Which Scientist First Proposed That the Electron in the Hydrogen