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Cr [Ar] 4s^1 3d^5

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The last electron in a copper atom has the quantum numbers n=3, l=2, ml=0, and ms=+1/2. The quantum numbers represent the energy level (n), sublevel (l), orbital orientation (ml), and electron spin (ms) of the electron, respectively.

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11y ago

n=4 l=0 m=0 s=-1/2

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Q: What are the quantum numbers for the last electron in copper?
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The last electron in gold is located in the 6s orbital. Therefore, the quantum numbers for this electron would be n=6 (principal quantum number), l=0 (azimuthal quantum number), ml=0 (magnetic quantum number), and ms=+1/2 (spin quantum number).


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