Aluminum only has 3 electrons in its outer most shellIt needs another 5 to be completely satisfied (to make 8) If it only has 3 though, that means it can only share 3 with another atomSo then aluminum only has 6 in it's outermost shellHow does it acquire 8, or is it happy with 6?
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eg: Aluminum Phosphate: AlPO4 It is ionic, it has covalent characterHope i helped
