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Following are four possible transitions for a hydrogen atom.
n₁ = 2; nf = 5
n₁ =
5; nf = 3
n₁ = 7; nf = 4
n₁ = 4; nf = 7
I.
II.
III.
IV.
(a) Which transition will emit the shortest wavelength photon?
---Select--- ✓
(b) For which transition will the atom gain the most energy?
---Select--- ✓
(c) For which transition(s) does the atom lose energy? (Select all that apply.)
I
II
IV
none

---Select---
-Select-
I
11
IV
tr

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