What elements is not a part of iron triad?

The iron triad consists of iron (Fe), cobalt (Co), and nickel (Ni), which are transition metals known for their magnetic properties and similar chemical behaviors. An element that is not part of the iron triad is copper (Cu), which is also a transition metal but does not share the same magnetic characteristics as the iron triad elements. Other examples include elements like zinc (Zn) or silver (Ag), which are also not part of this group.