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What is the 2nd excitation potential of He+ ion? A. 10.2 V B. 3.4 eV C. 13.6 eV D. 48.4 V

What is the 2nd excitation potential of He+ ion?
A. 10.2 V
B. 3.4 eV
C. 13.6 eV
D. 48.4 V

Grade:11

1 Answers

Khimraj
3007 Points
5 years ago
for 2nd exitation potential of He+
Z = 2
n= 2
E = 13.6*Z2/n2 = 13.6 eV
Hope it clears...............................

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