What is Group 12 element?
A '''group 12 element''' is a [[group (periodic table)|group]] in the [[periodic table]] of [[chemical element]]s. It includes [[zinc]], [[cadmium]], [[mercury (element)|mercury]], and [[copernicium]]. Copernicium is not stable so its properties are not clear. They all have low melting and boiling points. Mercury is even a liquid. Zinc is the least [[electronegativity|electronegative]] and most [[Reactivity (chemistry)|reactive]] of the Group 12 elements. <gallery> File:Zinc.jpg|Zinc File:Cadmium.jpg|Cadmium File:Hg Mercury.jpg|Mercury </gallery> {{Periodic Table}} {{chem-stub}} [[Category:Groups (periodic table)|12]]