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In which of the following system will th...

In which of the following system will the radius of the first orbit (n = 1) be minimum ?

A

Hydrogen atom

B

Doubly ionized lithium

C

singly ionized helium

D

Deuterium atom

Text Solution

Verified by Experts

The correct Answer is:
B
`R prop (1)/(Z),(=3)` for `Li^(+2)` it is maximum
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