"aufbau principle" meaning in English

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        "The 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."
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        "(physics) The 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."
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          "word": "aufbau rule"
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