A Group 8 element is an element in periodic table group 8 (IUPAC style) in the periodic table, which consists of:

• Iron (26)
• Ruthenium (44)
• Osmium (76)
• Hassium (108)

All of these elements are classed in Group 8 because their valence shell holds four electrons. Hassium can only be produced in the laboratory and has not been found in nature.

Color coding for these atomic numbers: At room temperature, all are solid; red indicates item is synthetic and does not occur naturally.