"Allowed orbits" is a phrase applied to the
A) electrons in Rutherford's model of the atom.
B) protons in Dalton's model of the atom.
C) electrons in Bohr's model of the atom.
D) protons in Thompson's experiments.
E) neutrons in Mendeleev's periodic table of elements.

Question

Quizplus · Accepted Answer

"Allowed orbits" was a concept introduced by Niels Bohr in his model of the atom. According to Bohr's theory, electrons can only exist in certain discrete energy levels, or "allowed orbits," around the nucleus. This explained the stability of atoms and the frequencies of light emitted or absorbed during transitions between these levels.

"Allowed Orbits" Is a Phrase Applied to the