Question

(a) Which quantum number signifies the shape of orbitals.

(b) How many orbitals are in n = 3, what are they?​

Answer 1

Answer:

(a) . magnetic quantum number

(b). 9 orbits are in n=3

Answer 2

Answer:

A. Angular Quantum Number (l)

B. Nine (9) Orbitals

EXPLANATION:

A.

The angular quantum number (l) describes the shape of the orbital. Orbitals have shapes that are best described as follows :

1. If (l = 0), then Spherical

2. If (l = 1), then Polar

3. If (l = 2), then Cloverleaf

They can even take on more complex shapes as the value of the angular quantum number becomes larger.

B.

There are 9 orbital in n=3. Which are as follows:

• 1 orbital in 3s
• 3 oritals in 3p
• 5 orbitals in 3d

In 3s: n l m

3 0 0

In 3p: n l m

3 1 -1

3 1 0

3 1 1

In 3d: n l m

3 2 -2

3 2 -1

3 2 0

3 2 1

3 2 2

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