In general, the spectral lines of molecules are
A) less complex than those of atoms.
B) only absorption lines.
C) more complex than those of atoms.
D) the same as the atoms they contain.
E) nonexistent.

Question

Quizplus · Accepted Answer

Molecules have more complex spectral lines than atoms because they can undergo not only electronic transitions but also vibrational and rotational transitions, adding to the complexity of their spectra.

In General, the Spectral Lines of Molecules Are