Questions
The total energy of an electron in the ground state of hydrogen atom is -13.6 eV. The potential energy of an electron in the ground state of Li2+ ion will be
a
122.4 eV
b
-122.4 eV
c
244.8 eV
d
-244.8 eV
detailed solution
Correct option is D
Ep=−ke2r,E=−ke22r So, Ep=2E=2(−13.6)eV=−27.2eVPotential energy of electron in the ground state of Li2+ ion is−32×27.2eV or −244.8eVTalk to our academic expert!
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