Question

valence electron of aluminium with proof

Answer 1

Answer:

Valence electrons of aluminum are 3.

Explanation:

This is because the atomic number of aluminum is 13. Thus the number of electrons in it's atom are 13. The configuration of electrons in aluminum is-

2,8,3

Since the outer most shell has 3 electrons, aluminum has 3 valence electrons and a valency of 3+.

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