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Iridium and Osmium Periodic Table


Osmium and Iridium in Periodic Table


Periodic Table

Symbol
Ir   
Os   

Group Number
9   
9
8   
10

Period Number
6   
6   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
7439885   
99+
7440042   
99+

Space Group Name
Fm_ 3m   
P63/mmc   

Space Group Number
225.00   
2
194.00   
5

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