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The Energy of the Nth Level in a One-Electron Atom

Question 109

Multiple Choice

The energy of the nth level in a one-electron atom is En = -13.6(Z2/n2) eV.Consider a beryllium ion with all but one of its electrons removed (a beryllium atom normally has four electrons) .What is the energy of the electron when it is in the third-lowest energy state?


A) -24 eV
B) -7.6 eV
C) -1.5 eV
D) 24 eV
E) 7.6 eV

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