9. Quantum Mechanics

Quantum Numbers: Angular Momentum Quantum Number

9. Quantum Mechanics

# Quantum Numbers: Angular Momentum Quantum Number - Video Tutorials & Practice Problems

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The** Angular Momentum Quantum Number **gives the shape of the atomic orbitals.

Angular Momentum Quantum Number

1

concept

## Quantum Numbers: Angular Momentum Quantum Number

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40sPlay a video:

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example

## Quantum Numbers: Angular Momentum Quantum Number Example 1

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concept

## Quantum Numbers: Angular Momentum Quantum Number

Video duration:

1mPlay a video:

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example

## Quantum Numbers: Angular Momentum Quantum Number Example 2

Video duration:

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Problem

ProblemProvide all the possible values of l for a 2 energy level.

A

0

B

0, 1

C

0, 1, 2

D

0, 1, 2, 3

E

1

6

Problem

ProblemHow many sublevels are contained in the third shell (n = 3) for a given atom?

A

1

B

2

C

3

D

4

E

5

7

concept

## Quantum Numbers: Angular Momentum Quantum Number

Video duration:

1mPlay a video:

8

example

## Quantum Numbers: Angular Momentum Quantum Number Example 3

Video duration:

1mPlay a video:

9

Problem

ProblemWhich of the following orbitals possesses the most orbital shapes?

A

2p

B

7s

C

4d

D

5p

E

5f

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PRACTICE PROBLEMS AND ACTIVITIES (22)

- The contour representat ion z of one of the orbitals for the n = 3 shell of a hydrogen atom is shown here. (a)...
- The accompanying drawing shows a contour plot for a dyz orbital. Consider the quantum numbers that could poten...
- Identify each of the following orbitals, and give n and l quantum numbers for each. (a) (b)
- (a) For n = 4, what are the possible values of l?
- Give the numerical values of n and l corresponding to each of the following orbital designations: (d) 5d.
- Give the numerical values of n and l corresponding to each of the following orbital designations: (a) 3p.
- What are the possible values of l for each given value of n? a. 1 b. 2 c. 3 d. 4
- Which of the following represent impossible combinations of n and l? (a) 1p (b) 4s (c) 5f (d) 2d
- Which combinations of n and l represent real orbitals, and which do not exist? a. 1s b. 2p c. 4s d. 2d
- Sketch the 1s and 2p orbitals. How do the 2s and 3p orbitals differ from the 1s and 2p orbitals?
- Sketch the shape and orientation of the following types of orbitals: (a) s.
- Sketch the 3d orbitals. How do the 4d orbitals differ from the 3d orbitals?
- (a) The average distance from the nucleus of a 3s electron in a chlorine atom is smaller than that for a 3p el...
- Suppose that in an alternate universe, the possible values of l are the integer values from 0 to n (instead of...
- What do the different colors in the two lobes of the p orbitals specify?
- What is the l quantum of an orbital that has four lobes that resemble a cloverleaf?
- Imagine a universe in which the four quantum numbers can have the same possible values as in our universe exce...
- What is the angular-momentum quantum number (also called the azimuthal quantum number), ℓ, for the orbital sho...
- What quantum numbers specify these subshells?
- Which subshell (for example, 1𝑠 ) is designated by each set of quantum numbers?
- What is the correct representation for the subshell with n = 2 and l = 1? 2p 1p 1d 2d
- There are only two subshells associated with the n=2 shell of an atom