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22-05-2022
Chemistry

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When the atoms that are transition elements form ions, the __ electrons are lost before the _electrons are lost.

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31-05-2022

Answer:According to the Aufbau principle, the electrons fill the 4s sublevel before beginning to fill the 3d sublevel. However, the outermost s electrons are always the first to be removed in the process of forming transition metal cations.

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