Atomic Structure and Periodicity

Quantum Numbers MCQs with Answers

Welcome to the Quantum Numbers MCQs with Answers, it helps learners quickly identify areas for improvement in Quantum Numbers Online Test.

Quantum numbers are crucial descriptors in quantum mechanics that specify the unique properties and characteristics of electrons within an atom. These numbers include the principal quantum number (n), which determines the energy level of an electron and its distance from the nucleus; the azimuthal quantum number (l), which indicates the subshell or orbital shape; the magnetic quantum number (ml), which specifies the orientation of the orbital in space; and the spin quantum number (ms), which describes the electron’s spin state.

To effectively grasp quantum numbers, engaging with MCQs on quantum numbers is highly beneficial. These questions cover various aspects, from understanding the definitions and relationships between different quantum numbers to applying them in electron configuration and orbital descriptions. Quantum numbers quiz questions often test knowledge on quantum number rules, orbital shapes, and electron spin behavior.

Quantum Numbers Online Quiz

By presenting 3 options to choose from, Quantum Numbers Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Quantum Numbers Questions and Answers and click over the correct answer.

  • Test Name: Quantum Numbers MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Quantum Numbers MCQs

Quantum Numbers Quiz

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1 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=0?

2 / 40

Which quantum number describes the orientation of an orbital in space?

3 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=3?

4 / 40

Which quantum number defines the shape of an orbital?

5 / 40

Which quantum number describes the main energy level of an electron?

6 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=1?

7 / 40

What is the maximum number of electrons that can occupy the 4s sublevel?

8 / 40

What is the maximum number of electrons that can occupy the 3d sublevel?

9 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=2?

10 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=2?

11 / 40

What is the value of the principal quantum number (n) for the third energy level?

12 / 40

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=4 and l=2?

13 / 40

What is the maximum number of electrons that can occupy the 3p sublevel?

14 / 40

What is the value of the principal quantum number (n) for the first energy level?

15 / 40

What is the value of the azimuthal quantum number (l) for an s orbital?

16 / 40

What is the maximum number of electrons that can occupy the 4f sublevel?

17 / 40

Which quantum number describes the shape of an orbital?

18 / 40

Which quantum number describes the orientation of an orbital in space?

19 / 40

What is the maximum number of electrons that can occupy the 5s sublevel?

20 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=4?

21 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=2?

22 / 40

Which quantum number describes the spin of an electron?

23 / 40

Which quantum number distinguishes between orbitals in the same sublevel?

24 / 40

What is the maximum number of electrons that can occupy the 3d sublevel?

25 / 40

What is the maximum number of electrons that can occupy the 2p sublevel?

26 / 40

Which quantum number is represented by the letter "l"?

27 / 40

What is the value of the azimuthal quantum number (l) for a p orbital?

28 / 40

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=2 and l=0?

29 / 40

What is the value of the principal quantum number (n) for the first energy level?

30 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=1?

31 / 40

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=3?

32 / 40

What is the value of the principal quantum number (n) for the sixth energy level?

33 / 40

What is the maximum number of electrons that can occupy the 2p sublevel?

34 / 40

Which quantum number distinguishes between orbitals in the same sublevel?

35 / 40

What is the maximum number of electrons that can occupy the 6p sublevel?

36 / 40

What is the value of the principal quantum number (n) for the fifth energy level?

37 / 40

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=3 and l=1?

38 / 40

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=4 and l=2?

39 / 40

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=5 and l=3?

40 / 40

What is the value of the azimuthal quantum number (l) for a d orbital?

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Quantum Numbers Flashcards

Which quantum number describes the main energy level of an electron?

Principal quantum number (n)

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=3 and l=1?

2

Which quantum number defines the shape of an orbital?

Azimuthal quantum number (l)

What is the value of the azimuthal quantum number (l) for an s orbital?

1

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=2?

5

What is the maximum number of electrons that can occupy the 3d sublevel?

10

Which quantum number distinguishes between orbitals in the same sublevel?

Magnetic quantum number (m_l)

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=1?

3

What is the maximum number of electrons that can occupy the 2p sublevel?

6

What is the value of the principal quantum number (n) for the first energy level?

1

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=4 and l=2?

10

Which quantum number describes the orientation of an orbital in space?

Magnetic quantum number (m_l)

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=0?

1

What is the maximum number of electrons that can occupy the 4s sublevel?

2

What is the value of the azimuthal quantum number (l) for a p orbital?

1

Which quantum number is represented by the letter "l"?

Azimuthal quantum number

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=3?

7

What is the maximum number of electrons that can occupy the 3p sublevel?

6

What is the value of the principal quantum number (n) for the third energy level?

3

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=5 and l=3?

14

Which quantum number describes the spin of an electron?

Spin quantum number (m_s)

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=4?

9

What is the maximum number of electrons that can occupy the 5s sublevel?

2

What is the value of the azimuthal quantum number (l) for a d orbital?

2

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=2?

5

What is the maximum number of electrons that can occupy the 6p sublevel?

6

What is the value of the principal quantum number (n) for the fifth energy level?

5

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=2 and l=0?

2

Which quantum number describes the shape of an orbital?

Azimuthal quantum number (l)

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=1?

3

What is the maximum number of electrons that can occupy the 3d sublevel?

10

Which quantum number distinguishes between orbitals in the same sublevel?

Magnetic quantum number (m_l)

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=2?

5

What is the maximum number of electrons that can occupy the 2p sublevel?

6

What is the value of the principal quantum number (n) for the first energy level?

1

What is the maximum number of electrons that can occupy an orbital with the quantum numbers n=4 and l=2?

10

Which quantum number describes the orientation of an orbital in space?

Magnetic quantum number (m_l)

What is the maximum number of electrons that can occupy the 4f sublevel?

14

What is the value of the principal quantum number (n) for the sixth energy level?

6

How many possible values of magnetic quantum number (m_l) exist for an orbital with l=3?

7

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