Quantum numbers of atoms in a given state (number^number)letter

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Quantum numbers of atoms in a given state "(number^number)letter"

Homework Statement



An atom is in the state 42F.

Write down the values of n,l,s and j.


Homework Equations







The Attempt at a Solution



n=4
l=3

I'm having problems with s and j. I know j=l+s, does one have to take parity into account?

I'm not even sure that the 2 I attempted are correct.

If someone could just tell me the method of working out the different quantum numbers when given a state such as above it would help me a lot.

Any help would be appreciated thanks!
 
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