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## Homework Statement

For the third electron of Lithium atom moving in its permissible orbit, the values of angular momentum and the energy are?

## Homework Equations

E= -2π

^{2}e

^{4}mZ

^{2}/n

^{2}h

^{2}

Third electron is in the second orbit

## The Attempt at a Solution

The value for energy should be -9∏

^{2}e

^{4}m/2h

^{2}

Correct me if i am wrong for the above answer,

Angular momentum= nh/2∏

So its value should h/∏

Am i right?