Quantum Numbers

Physics ⇒ Modern Physics

Quantum Numbers starts at 12 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Quantum Numbers. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 12

Calculate the number of electrons that can be accommodated in all orbitals with n = 3.

Calculate the total number of orbitals in the third shell (n=3).

Describe the relationship between the principal quantum number (n) and the energy of an electron in a hydrogen atom.

Describe the significance of the principal quantum number (n) in atomic structure.

Explain why no two electrons in an atom can have the same set of quantum numbers.

Explain why the 2d orbital does not exist.

For a 3d electron, what are the possible values of the azimuthal quantum number (l)?

For an electron in a 4f orbital, what are the possible values of m_l?

For n = 3, what are the possible values of l?

How many different values of m_s are possible for an electron?

How many electrons can be accommodated in the 4d subshell?

How many electrons can have the quantum numbers n=3 and l=2 in an atom?

How many orbitals are present in the 4p subshell?

How many values of m_l are possible for l = 3?

If an atom has an electron with quantum numbers n=2, l=1, m_l=-1, m_s=+1/2, what is the name of the orbital?

If an electron has quantum numbers n=4, l=1, m_l=0, m_s=+1/2, in which subshell is it located?

If l = 1, what is the name of the corresponding orbital?

If n = 4, what is the total number of orbitals possible?

If n=5, what is the maximum value of l?

State Hund's Rule in terms of quantum numbers.