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An electron is in 4f orbital. What possi...

An electron is in 4f orbital. What possible values for quantum number n, `l and m _(l)` can it have,

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The possible values of n, l `and m _(l)` quantum numbers for 4 f orbital are :
`n = 4, L =3 , m _(l ) =-3, -2, -1, 0, + 1, + 2, + 3.`
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