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Polonium
Polonium
☒

Iridium
Iridium
☒



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Polonium and Iridium Periodic Table

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Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Po
16
6
p block
Post-​Transition
7440086
Pm-3m
221.00
 
Ir
9
6
d block
Transition Metal
7439885
Fm_ 3m
225.00