Quantum Numbers

Orbital Capacity: According to Pauli's Exclusion Principle, each orbital can hold a maximum of 2 electrons with opposite spins.
Shell Capacity Formula: Since there are $n^{2}$ orbitals in a shell, the maximum number of electrons is $2 n^{2}$ .
Calculation for $n = 4$ :
- Number of orbitals $= n^{2} = 4^{2} = 16$ .
- Maximum electrons $= 2 \times 16 = 32$ .
Subshell Breakup:
- 4s (2) + 4p (6) + 4d (10) + 4f (14) = $32$ .

This easy difficulty chemistry question is from the chapter atomic structure, covering the topic of quantum numbers. It appeared in the 2025 exam.

Looking for more practice? Explore all chemistry questions or browse atomic structure questions on RankGuru.

Quantum Numbers

Select the correct option:

🔒 Solution Hidden from View

More atomic structure Practice Questions

Which set of quantum numbers is NOT possible for an electron in an atom according to the rules gover...

The maximum number of electrons that can have the quantum numbers n = 4 and mₛ = +½ is:

An electron in an atom has the quantum numbers n = 3, l = 2, mₗ = −1, mₛ = +½. The electron is prese...

Approximate wavelength (nm) of the photon emitted when an electron in hydrogen atom drops from n=4 t...

Effective nuclear charge (Z_eff) experienced by valence electrons increases across a period mainly b...

Which statement best explains Pauli's exclusion principle?

Which subshell is filled first according to the Aufbau principle?

Electron affinity is generally highest for which of the following?

Number of unpaired electrons in Cu2+ (Z=29) is:

Among the following, which species has the highest first ionization energy?

An electron is accelerated through a potential difference of 150 V. Its de Broglie wavelength is clo...

Spin-only magnetic moment (μ) in Bohr magnetons for a high-spin d5 ion (e.g., Mn2+) is approximately...

About This Question

Solution