What is the Aufbau Principle?
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2nd Jul, 2025
The Aufbau Principle is a rule in chemistry that describes how electrons are added to atomic orbitals as an atom's atomic number increases. It states that electrons fill orbitals from lowest energy to highest energy, following the n + l rule.
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8th Nov, 2021
The Aufbau Principle is a rule that states electrons fill atomic orbitals from the lowest to highest energy levels.
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