Chemical Elements In Group 9

27CoCobalt58.933Period: 4Melting Point: 1495Boling Point: 2870 Ionization Energy: 7,881Electrone Gativity: 1,91Covalenz Radius: 116Discovery Year: 1751Human Body: tracesInventor: Ramsay, Sir William & Strutt, John
28152
45RhRhodium102.91Period: 5Melting Point: 1966Boling Point: 3727 Ionization Energy: 7,4589Electrone Gativity: 2,2Covalenz Radius: 125Discovery Year: 1803Inventor: Ramsay, Sir William & Strutt, John
2818161
77IrIridium192.22Period: 6Melting Point: 2410Boling Point: 4527 Ionization Energy: 8,967Electrone Gativity: 1,9Covalenz Radius: 126Discovery Year: 1803Inventor: Ramsay, Sir William & Strutt, John
281832152
109MtMeitnerium(278)Period: 7Discovery Year: 1982Inventor: Ramsay, Sir William & Strutt, John
28183232152

Heat change





Note

Melting point
Boiling point