We’re gift asked todetermine the number of orbitalscontained in thethird primary level (n = 3).

You are watching: How many orbitals are contained in the third principal level

Recall the thequantum numbersthat specify an electron are:

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

Thepossible values for nare1 come ∞.

Angular momentum Quantum Number(l): encounters theshape that the atomic orbital.

Thepossible values for lare0 to (n – 1).

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

Thepossible worths for mlare the variety of l:–l come +l.


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Problem Details

How numerous orbitals are included in the 3rd principal level (n=3) the a provided atom?

A) 7

B) 5

C) 9

D) 3

E) 18


Learn this object by watchingQuantum Numbers: primary Quantum Number ide Videos
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