The radius of which of the following orbit is same as that of the first Bohr’s orbit of a hydrogen atom?
A) Li 2+ (n=2)
B) Li 2+ (n=3)
C) Be 3+ (n=2)
D) He + (n=2)
Answer:
C) Be 3+ (n=2)
Explanation:
For ,
For ,
For ,
For ,
This has the same radius as that of the first Bohr’s orbit of the atom.
The radius of which of the following orbit is same
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