What is Group 9 element?
'''Group 9''' is a group of [[Chemical element|elements]] in the [[periodic table]]. Group 9 has [[cobalt]] (Co), [[rhodium]] (Rh), [[iridium]] (Ir) and [[meitnerium]] (Mt). Group 9 is in the [[Transition metal|transition metals]] section. It is worth noting that meitnerium has unknown chemical properties, but is probably a transition metal. {{Periodic Table}} {{Chemistry-stub}} [[Category:Transition metals]] [[Category:Groups (periodic table)|09]]