Multiple Choice
The Bohr radius for an electron in the ground state of a hydrogen atom is 52.9 pm .The Bohr radius for an electron in the n = 2 state of He+ is
A) 211.6 pm.
B) 105.8 pm.
C) 26.5 pm.
D) 52.9 pm.
E) 13.2 pm.
Correct Answer:

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Correct Answer:
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