Question

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The atomic number of aluminium is 13. With the he
diagram, write the electronic configuration and valency
Shell
The valency of aluminium =​

Answer 1

Answer:

Aluminum has an atomic number of 13.

So, electronic configuration would be 2 ,8 ,3.

Valence shells would be 3rd shell.

valency of aluminium would be +3.

As , it has 3 electrons in its outermost shell.