Group 9 element
group of chemical elements From Wikipedia, the free encyclopedia
Group 9 is a group of elements in the periodic table.
Group 9 has cobalt (Co), rhodium (Rh), iridium (Ir) and meitnerium (Mt).
Group 9 is in the transition metals section. It is worth noting that meitnerium has unknown chemical properties, but is probably a transition metal.
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