Which of the following electronic configuration does not...

Which of the following electronic configuration does not follow the Pauli's exclusion principle? a. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \mathrm{p}^{4}$ b. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \mathrm{p}^{6} 3 \mathrm{~s}^{2}$ c. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2}$ d. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \mathrm{p}^{6} 3 \mathrm{~s}^{3}$

Which of the following electronic configuration does not follow the Pauli's exclusion principle?
a. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \mathrm{p}^{4}$
b. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \mathrm{p}^{6} 3 \mathrm{~s}^{2}$
c. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2}$
d. $1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \mathrm{p}^{6} 3 \mathrm{~s}^{3}$

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Key Concepts

Orbital Capacity

Each type of orbital has a maximum number of electrons it can hold, determined by quantum mechanics. For example, s orbitals can accommodate up to 2 electrons and p orbitals can hold up to 6 electrons, ensuring that electrons are added according to the restrictions imposed by the Pauli Exclusion Principle.

Quantum Numbers

Quantum numbers are sets of numerical values that describe the properties of atomic orbitals and the properties of electrons in those orbitals. They are essential in distinguishing each electron's unique state, which underpins the Pauli Exclusion Principle and the overall organization of electron configurations.

Electronic Configuration

Electronic configuration is the arrangement of electrons in the orbitals of an atom. It shows how electrons are distributed among the available energy levels and sublevels, and helps in explaining the chemical properties and reactivity of elements.

Pauli Exclusion Principle

This fundamental principle in quantum mechanics states that no two electrons in an atom can have the same set of quantum numbers. This rule restricts electrons to unique states within an atom, ensuring that only a limited number of electrons can occupy the same orbital with differing spins.

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