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The radius of the shortest orbit in a on...

The radius of the shortest orbit in a one electron system is 18 pm it may be

A

`._(1)^(1)H`

B

`._(1)^(2)`

C

`He^(+)`

D

`Li^(+)`

Text Solution

Verified by Experts

The correct Answer is:
D
`r_(n)=(n^(2)r_(8))/Z`therefore`0.53A^(@)=0.18A^(@)thereforeZ=3`
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