Interpretation:
The electron configuration and an orbital diagram for an atom of a gaseous diatomic element with a density of
Concept Introduction:
The electronic configuration is defined as the distribution of electrons in various atomic orbitals of the atom. Electrons are filled in orbitals in accordance with three rules: Aufbau principle, Hund’s rule, and Pauli’s exclusion principle. Aufbau principle states that electrons are filled in the orbitals from lower to higher energy level as follows:
Hund’s rule states that initially each orbital is singly occupied and then pairing occurs and Pauli’s exclusion principle states that the spin of two electrons in one orbital is always different.
The orbital diagram is a pictorial representation of the distribution of electrons in an atom.
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Chemistry: Principles and Practice
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