Question

# Which of the following set of quantum numbers (ordered n, ℓ, mℓ, ms) are possible for...

Which of the following set of quantum numbers (ordered n, ℓ, mℓ, ms) are possible for an electron in an atom? Check all that apply.

3, 2, 2, -1/2

-3, 2, 2, -1/2

5, 3, 4, 1/2

5, 2, 1, -1/2

2, 2, 2, 1/2

4, 2, 1, -1/2

3, 2, 0, -2

3, 2, -3, 1/2

Four quantum numbers are

n= 1,2,3,4……..n

I = 0 to n – 1(all possible values up to n-1)

ml = all values from -l to +l ( Example if l = 3 them ml = -3,-2, -1, 0, +1, +2 ,+3)

ms = only +1/2 and -1/2

3, 2, 2,-1/2 --------- Possible configuration

-3, 2, 2, -1/2-------- Not possible configuration because n cannot be negative

5, 3, 4, 1/2 -------- Not possible because ml must be from -3 to +3 by conditions

5, 2, 1, 1/2 -------- Possible configuration

2, 2, 2, 1/2 --------- This is not possible. l cannot equal n

4, 2, 1, -1/2-------- This is a possible configuration.

3, 2, 0, - 2 --------- This is not possible because ms can equal only +1/2 and -1/2

3, 2, -3, ½ --------- Not possible because ml must be from -2 to +2 by conditions

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