What elements are transition metals?

Many scientists describe a "transition metal" as any element in the d-block of the periodic table, which includes groups 3 to 12 on the periodic table. In actual practice, the f-block lanthanide and actinide series are also considered transition metals and are called "inner transition metals". read more

Rare Earth Elements The 38 elements in groups 3 through 12 of the periodic table are called "transition metals". As with all metals, the transition elements are both ductile and malleable, and conduct electricity and heat. read more

Transition Metals vs. Main-Group Elements . There is some controversy about the classification of the elements on the boundary between the main group and transition-metal elements on the right side of the table. read more