Aufbau principle

Proper noun

Word Frequency: 0.0

Definitions

1.Proper nounThe rule stating that, in the ground state of an atom or ion, electrons fill subshells of the lowest available energy, followed by subshells of higher energy.

Synonyms

atomic orbital atoms in molecules hund's rules selection rule koopmans' theorem density of states superposition principle spin-forbidden reactions fermi's golden rule sum rule in quantum mechanics theoretical chemistry 18-electron rule

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