Group 12 elements are often considered to be transition metals; however, zinc (Zn), cadmium (Cd), and mercury (Hg) share some properties of both groups, and many scientists believe they should be included in the main group.
Unsur golongan 12 sering dianggap sebagai logam transisi; namun, seng (Zn), kadmium (Cd), dan raksa (Hg) berbagi beberapa sifat dari dua golongan, dan banyak ilmuwan percaya bahwa mereka harus disertakan dalam golongan utama.