The Change in Energy of a One-Electron Atom or Ion

question 35

Multiple Choice

The change in energy of a one-electron atom or ion for an electronic transition from the initial energy level n_i to the final energy level n_f is given by Which of the following species will have the longest wavelength emission line for the transition between the n_i  2 and n_f  1 levels?

• A)H
• B)He ^
• C)Li^{2 }
• D)Be^{3 }
• E)B^{4 }

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