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08-08-2016
Chemistry

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How many electrons are in Al3+?

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Аноним Аноним

09-08-2016

atomic number of aluminium = 13
so the number of electrons=13
aluminium cation, has 3 positive charge which it attains after losing 3 electrons (protons are not lost, there remain in the nucleus of the atom
electrons in Al3+ = 13 - 3 = 10

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