Question

fill in the blanks The element Aluminum has
valency.
[A]1 [B]2 [C]3 [D] 4​

Answer 1

Answer:

Atomic number of aluminium is 13 so its electronic configuration is 2, 8, 3. Since it has 3 electrons in its valence shell, it will lose 3 electrons to complete its octet hence its valency is +3.

Answer 2

Answer:

[C] 3

Or we can say +3

Hope it helps....