Quantum numbers of the fourth electron of beryllium
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In the building up process, we go one electron at a time. Therefore, we will use the three from lithium and add one more.
Fourth Electron
n = 2
ℓ = 0
mℓ = 0
ms = -½
Notice the same n, ℓ, and m values as the third electron, but ms for the fourth electron has shifted from positive ½ to negative ½.
Fourth Electron
n = 2
ℓ = 0
mℓ = 0
ms = -½
Notice the same n, ℓ, and m values as the third electron, but ms for the fourth electron has shifted from positive ½ to negative ½.
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