Answer:
Aluminum ion has a formula of Al³+, it indicates that aluminum can lost 3 electrons.
correct me if I'm wrong
Explanation:
Aluminum is an element in group 13 and period 3, and belongs to the p block
Aluminum has an atomic number 13
Electron configuration of aluminum : [Ne] 3s² 3p¹
The Aluminum element will try to achieve its stability like a noble gas, in this case Neon (Ne) which has a stable electron configuration: [He] 2s²2p⁶
So that aluminum will release 3 electrons in the outer shell (n = 3) to form cation (positive ion) Al³⁺
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