Zinc, cadmium, mercury and copernicium belong to the group 12 of the periodic table. In my textbook , it is mentioned that zinc, cadmium and mercury are d-block elements, but not transition metals. But there is nothing mentioned about copernicium regarding this. This makes me wonder if there is a specific reason why Cn has been left out.

So, is Cn a transition metal? Also, if it is, could anyone please explain why is it so?


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