Question #da2f7

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Manish Bhardwaj · Stefan V.
Oct 28, 2015

I will use Bohr' picture of atom to answer your question.Aluminum atom has 13 electrons in it . These electrons are distributed around the nucleus in a specific way.

https://nationalmaglab.org/education/magnet-academy/learn-the-basics/stories/superconductivity-101

Aluminum has three electrons in its outermost orbit also called valence orbit. These three electrons are also called valence electrons. Aluminum atom can lose these three electrons to form #Al^(3+)# ion.

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