Star Chem
Dec/080
URGENT CHEM QUESTION!!!! 5 stars for best answer! (quantum numbers)?
I have my chem midterm tomorrow, so this is urgent!
State the four quantum numbers for the three highest energy electrons in an atom of aluminum
I don't just want an answer, but a detailed explanation about how to GET the answer. If you help me with this, you will officially be my savior. 5 stars for best answer.
I PROMISE.
specifically how the quantum number m(sub l) is determined
TGhe three highest are the 3s2,3p1 electrons.
The first of the 3 s electrons would be n = 3 for the third level, l = 0 for an s sublevel, m = 0 for magnetic or specific orbital and s = +1/2 because it is the first electron in that orbital.
Then you have n = 3, l = 0, m = 0, and s = -1/2 because for this 2nd electron the level, sublevel and specific orbital are all the same as for the first electron but it has opposite spin.
Then you have n = 3, l = 1 because it is a p sublevel, m = -1 and s = +1/2
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