In which of the following systems will b...

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

A

Doubley ionized lithium

B

Singly ionized lithium

C

Deuterium atom

D

hydrogen atom

Text Solution

Verified by Experts

The correct Answer is:

A

Radius of first orbit `r prop 1//Z`. For doubly ionized `Z` will be maximum. Hence for doubly ionized lithium `r` will be minimum.

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