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## Homework Statement

What are the orbital angular momentum possible values for an electron in a hydrogen atom with a principal quantum number n = 3?

## Homework Equations

[itex]L = \sqrt{l(l+1)}\hbar[/itex]

## The Attempt at a Solution

Possible values for

*l*are 0, 1, 2.

So, substituting these in the equation above I get: 0, √2[itex]\hbar[/itex], √6[itex]\hbar[/itex].

Is this the right answer?