Group 9 element

As cobalt - group of the periodic system, the elements of group 9 are referred to collectively in accordance with the IUPAC Nomenclature of inorganic.

The group contains the elements cobalt, rhodium, iridium and Meitnerium. They are all heavy metals.

Meitnerium also belongs to the group of Transuranium Elements, a group name is not given in the nomenclature.

In older versions of the periodic system, they were expected to Group VIIIA (IUPAC 1970) or VIIIB ( Demming 1923). To avoid confusion, these older definitions should no longer be used.

Together with the platinum group metals ruthenium, rhodium, palladium, osmium, iridium and platinum, the three metals iron, cobalt and nickel are also counted to nine- iron, platinum group elements.

  • The metals

Rhodium, powder, pellet, pellet melting, 99.99 %

Iridium, melting pearl 99.98 %

Alkali metal | Alkaline earth metals | scandium | Titanium Group | Vanadium Group | Chrome Group | Manga Group | iron group | Cobalt Group | Nickel Group | Group Copper | Zinc Group | triel | Carbon Group | Nitrogen Group | chalkogens | Halogens | Noble gases

Lanthanides | Actinides

  • Group of the periodic table
Beryllium Fluorine Sodium Magnesium Aluminium Chlorine Argon Chromium Manganese Germanium Arsenic Selenium Bromine Rubidium Yttrium Zirconium Cadmium Indium Antimony Tellurium Barium Lanthanum Praseodymium Neodymium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Tantalum Tungsten Rhenium Lead Bismuth Polonium Astatine Francium Radium Actinium Neptunium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Dubnium Bohrium Darmstadtium Copernicium Group (periodic table) Period (periodic table)
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