the compound aluminum chloride has 3 chloride atoms. this compound can be represented by the chemical formula
a) al3cl
b) al3cl3
c) alcl
d) alcl3

The correct option is (D).

Explanation:

The aluminium chloride has three chloride atoms. Here three chlorine atoms are surrounding one aluminium atom.

Aluminium is with 3+ charge that is cation and and chlorine is with 1- charge that is anion.Three chloride ions (with 1- charge) will neutralize the positive charge on the aluminium cation.

So, the chemical formula will be

neutrons are in the middle of the atom and the electrons, which are much smaller.

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