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An electron has several shells with electron. When these shells are completely filled, the most outer shell doesnt relatively feel much attraction of the electrons towards the nucleus. Therefore it is possible that one electron gets out of the shells.

If this is done, the atom has too little amount of electrons, it needs one more. The attraction force is then increased, which means it takes a lot of more energy to remove the second electron, let alone the third

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13y ago
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6mo ago

Usually only one electron is removed from an atom in chemical reactions because the removal of electrons occurs one at a time and involves specific energy requirements. Removing additional electrons would require significantly more energy and is less favorable due to the increased repulsion between the remaining electrons.

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Q: Why is usually only one electron removed from an atom?
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