# What is a valid set of quantum numbers for the outermost electron of an aluminum atom?

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I've scoured Google for a possible explanation, and I think this is along the right path...?

n=3, l=1, ml=1, ms= +1/2

However, I'm not sure I completely understand the explanation... Could someone please explain and check my answer? Thanks!

I've scoured Google for a possible explanation, and I think this is along the right path...?

n=3, l=1, ml=1, ms= +1/2

However, I'm not sure I completely understand the explanation... Could someone please explain and check my answer? Thanks!

##### 1 Answer

#### Answer:

#### Explanation:

You are very close :), just the

Hope this helps,