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## Homework Statement

A hydrogen atom is in the 7f state.

What is the magnitude of its orbital angular momentum?

## Homework Equations

L=sqrt(L(L+1)hbar

## The Attempt at a Solution

L= Sqrt(3(3+1)Hbar)

1.41hbar (we want J*S)

1.41*1.054*10^-34

1.47*10^-34J*S