Question

write the electronic configuration of aluminium

Answer 1

❤❤Hi... ✌✌

✔✔✔✔✔✔Here's your answer........ ✔✔

✔✔Atomic number -------::: 13...

✔✔Electric configuration -------:::: 2, 8, 3.....

✔✔valency ------:: 3...

✔✔valence electron--------::::: 3...

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Answer 2

$\huge \mathfrak \red{Hey \:Mateyy}$

$\boxed {Atomic \:number :-}$ The atomic number of Aluminium is 13.

$\boxed {Electronic \:configuration :-}$ So, in the K shell we need to put 2 electrons, in the L shell we put 8 electrons which completes the octate. Now there are 10 electrons in total. In the third shell i. e. In the L shell we need to put 3 electrons to get the correct configuration.

Hence, the electronic configuration is :-

$\huge \bold{2,8,3}$

Regards @Alan ❤️