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ATOMIC STRUCTURE
Question #23984
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Question
How is the energy difference (∆E) between two energy levels calculated?
A. ∆E = RH (1/nf² – 1/ni²)
B. ∆E = RH (ni² – nf²)
C. ∆E = RH (nf² – ni²)
D. ∆E = RH (1/ni² – 1/nf²)
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