Suppose that a certain atom possesses only four distinct energy levels.Assuming that all transitions between levels are possible,how many spectral lines will this atom exhibit?
A)three
B)four
C)six
D)unlimited

Question

Suppose that a certain atom possesses only four distinct energy levels.Assuming that all transitions between levels are possible,how many spectral lines will this atom exhibit? 
A)three 
B)four 
C)six 
D)unlimited

Quizplus · Accepted Answer

The number of spectral lines that an atom can exhibit is given by the formula n(n-1)/2, where n is the number of energy levels. Therefore, in this case, the atom will exhibit 6 spectral lines. Thus, the correct answer is choice C).

Suppose That a Certain Atom Possesses Only Four Distinct Energy