Published by:
CGP EDU Academic Team
Published on: August 21, 2026
The energy of an electron in the ground state 
for 
ion is 
, then that for an electron in 
state for 
ion in 
is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
For 
ion; Energy 
J, Z = 2, n = 1
Energy 
For 
ion; 
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