We’re being asked todetermine the variety of orbitalscontained in thethird major level (n = 3).

You are watching: How many orbitals are contained in the third principal level (n=3) of a given atom?

Recall that thequantum numbersthat specify an electron are:

Principal Quantum Number(n): faces thesize and energy of the atom orbital.

Thepossible worths for nare1 come ∞.

Angular inert Quantum Number(l): deals with theshape of the atomic orbital.

Thepossible worths for lare0 to (n – 1).

Magnetic Quantum Number(ml): faces theorientation of the atom orbitalin 3D space.

Thepossible values for mlare the range of l:–l to +l.

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Problem Details

How countless orbitals are had in the third principal level (n=3) of a provided atom?

A) 7

B) 5

C) 9

D) 3

E) 18

Learn this topic by watchingQuantum Numbers: major Quantum Number ide Videos
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Q.An electron in a 3d orbital might have which of the adhering to quantum numbers?1. N = 3; ℓ = 3; m ℓ = 12. N = 3; ℓ = 1; m ℓ = -13. n = 3; ℓ= 2; m ℓ = 0...
Q.For n = 7 and ℓ = 4, what is m ℓ ?1. 182. 0, 1, 2, 33. 94. 0, 1, 2, 3, 45. −4, −3, −2, −1, 0, +1, +2, +3, +4
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