The spectrum of the hydrogen atom differs from the spectrum of the helium atom due to
A) their different energy levels.
B) the different frequencies of their emitted photons.
C) Both of the above.
D) Neither of the above.

Question

Quizplus · Accepted Answer

The hydrogen and helium atoms have different energy levels due to their different nuclear charges and electron configurations, leading to different frequencies of emitted photons.

The Spectrum of the Hydrogen Atom Differs from the Spectrum