9. Quantum Mechanics

Quantum Numbers: Magnetic Quantum Number

9. Quantum Mechanics

# Quantum Numbers: Magnetic Quantum Number - Video Tutorials & Practice Problems

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The **Magnetic Quantum Number** gives the location of an electron within a specific orbital.

Magnetic Quantum Number

1

concept

## Quantum Numbers: Magnetic Quantum Number

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example

## Quantum Numbers: Magnetic Quantum Number Example 1

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## Quantum Numbers: Magnetic Quantum Number

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example

## Quantum Numbers: Magnetic Quantum Example 2

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5

Problem

ProblemHow many different values of m_{l} are possible for a 4d set of orbitals?

A

1

B

3

C

7

D

5

E

2

6

Problem

ProblemSelect a correct set of values for an electron found within the designated 5d orbital.

A

n = 5, l = 2, m_{l} = 0

B

n = 5, l = 3, m_{l} = +1

C

n = 5, l = 3, m_{l} = 0

D

n = 5, l = 5, m_{l} = – 2

E

n = 5, l = 2, m_{l} = +5

7

Problem

ProblemWhich of the following statements is false?

a) A set of *d* orbitals contains 5 orbitals.

b) A set of 4s orbitals would have more energy than a set of 3p orbitals.

c) The second shell of an atom possesses *d* orbitals.

d) A set of *f* orbitals contains 3 orbitals.

e) The first energy level contains only *s* orbitals.

A

a, b

B

b, d

C

c, d

D

d, e

E

b, e

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PRACTICE PROBLEMS AND ACTIVITIES (27)

- The contour representat ion z of one of the orbitals for the n = 3 shell of a hydrogen atom is shown here. (c)...
- What are the possible values of n, l, and ml for an electron in a 5p orbital? (LO 5.12)
- The accompanying drawing shows a contour plot for a dyz orbital. Consider the quantum numbers that could poten...
- What are the possible values of n, l, and ml for the orbital shown? (LO 5.13)
- How many unique combinations of the quantum numbers l and ml are there when (b) n = 5?
- Give the values for n, l, and ml for (a) each orbital in the 3p subshell.
- A certain orbital of the hydrogen atom has n = 4 and l = 3. (a) What are the possible values of ml for this o...
- What are the possible values of ml for each value of l? b. 1
- What are the possible values of ml for each value of l? a. 0
- What are the possible values of ml for each value of l? c. 2
- Which set of quantum numbers cannot occur together to specify an orbital? a. n = 2, l = 1, ml = -1 b. n = 3, l...
- For the table that follows, write which orbital goes with the quantum numbers. Don't worry about x, y, z subs...
- Sketch the shape and orientation of the following types of orbitals: (c) dx2 - y2.
- Tell which of the following combinations of quantum numbers are not allowed. Explain your answers. (a) n = 3, ...
- Give the orbital designations of electrons with the following quantum numbers. (a) n = 3, l = 0, ml = 0 (b) ...
- Suppose that in an alternate universe, the possible values of l are the integer values from 0 to n (instead of...
- Suppose that, in an alternate universe, the possible values of ml are the integer values including 0 ranging f...
- What are the possible values of mℓ for an electron in a d orbital?
- Suppose that, in an alternate universe, the possible values of ml were the integer values including 0 ranging ...
- What is the only possible value of mℓ for an electron in an s orbital?
- Which set of quantum numbers cannot specify an orbital?
- What are the possible values of ml for each of the following values of l?
- Determine the quantum numbers 𝑛 and ℓ and select all possible values for 𝑚ℓ for each subshell of the element...
- How many orbitals in an atom can have the designation
- An electron in a 3d orbital could have which of the following quantum numbers? select all that could be correc...
- What are the possible values of mℓ for an electron in a d orbital?
- Type in the maximum number of electrons that can be present in each shell or subshell below.