Which of the following statements about atomic spectra is incorrect?
A)An atom must absorb energy before it can emit a spectral line
B)Only atoms in the ground state can radiate energy
C)An electron dropping between two specific energy levels always emits the identical spectral line
D)No two elements have identical atomic spectra
E)All of the statements above are correct (choosing this statement indicates that it is correct)

Question

Quizplus · Accepted Answer

This statement is incorrect because atoms in excited states can also radiate energy and emit spectral lines.

Which of the Following Statements About Atomic Spectra Is Incorrect