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Chemistry
Chemistry
Problem
Which of the following transitions are allowed in the normal electronic spectrum of H-atom? a. 4p to 3p b. 4d to 3s c.
4
p
to
3
d
4p \text{ to } 3d
4
p
to
3
d
d.
3
s
to
2
s
3s \text{ to } 2s
3
s
to
2
s
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