Question

write chemical formula of aluminum chloride ​

Answer 1

Answer:

AlCl

Explanation:

We know that aluminum has a valency of

+

3

because it has three valence electron which it can lose easily. Similarly, chlorine has a valency of

−

1

because it can gain an electron.

So in writing the formula, there is a cross of the two valencies because three chlorine atoms will have to react with one aluminium atom to gain one electron each.

[

Al

]

3

+

+

3

[

Cl

]

−

→

AlCl

3

Answer 2

Explanation:

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