Remove ads
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.
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.