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Osmium and Iridium Periodic Table


Iridium and Osmium in Periodic Table


Periodic Table

Symbol
Os   
Ir   

Group Number
8   
10
9   
9

Period Number
6   
6   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
7440042   
99+
7439885   
99+

Space Group Name
P63/mmc   
Fm_ 3m   

Space Group Number
194.00   
5
225.00   
2

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