1.

Here as we know the symbol of chlorine is Cl the why there is Cl2... written.

Answer»

We know that each elements form compounds or make bonds in order to complete THIER octet and achieve a stable electronic CONFIGURATION

CL has 7 electrons in it's outermost shell it requires ONE more electron in order to complete it's octet

Hence CL forms a bond with another Cl thus sharing electrons and become stable Cl2

I HOPE this helps ( ╹▽╹ )



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