An electron is in the n = 3 energy level in a hydrogen atom.To ionize this atom,it is necessary for the electron to gain a minimum of how much energy? (See Figure 3-51,Comins,Discovering the Essential Universe,6th ed.)
A) 1.5 eV
B) 4.5 eV
C) 12.1 eV
D) 13.6 eV

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The Answer of An electron is in the n = 3 energy level in a hydrogen atom.To ionize this atom,it is necessary for the electron to gain a minimum of how much energy? (See Figure 3-51,Comins,Discovering the Essential Universe,6th ed.)
A) 1.5 eV
B) 4.5 eV
C) 12.1 eV
D) 13.6 eV

An Electron Is in the N = 3 Energy Level