Question

Which of the following can be the quantum numbers for an orbital?

(A) n = 4, l = 4, m = 3

(B) n = 2, l = 3, m = 1

(C) n = 3, l = 2, m = -1

(D) n = 3, l = 0, m = -3​

Answer 1

Answer:

it's (c)

Explanation:

we know n=l+1 so c is the right answer.

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Answer 2

Any orbital follows these rules:

• 'n' is Principal Quantum Number.

• 'l' is Azimuthal Quantum Number and will be (n-1) in value.

• 'm' means Magnetic Quantum Number will range from -l to +1.

• 's' is Spin Quantum Number and will be either +½ or -½.

Following these rules ,

OPTION C) is possible:

• n = 3
• l = n-1 = 3-1 = 2
• m is between -2 and +2 (i.e. -1)

$\star$ So, this orbital is possible ✔️