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The Balmer-Rydberg Equation Can Be Extended to Ions with Only

Question 144

Multiple Choice

The Balmer-Rydberg equation can be extended to ions with only one electron,such as He+.In that case it has the form: 1/λ = Z2R(1/m2 - 1/n2) ,where Z is the atomic number.What is the energy of the photon required to promote an electron in He+ from a 1s orbital to a 2p orbital?


A) (3/4) hcR
B) 3hcR
C) 4hcR
D) 12hcR

Correct Answer:

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