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Iridium
Iridium

Promethium
Promethium



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Iridium and Promethium Periodic Table

Periodic Table

Symbol

Ir
Pm

Group Number

93
0 17
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Period Number

66
2 7
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Block

d block
f block

Element Family

Transition Metal
Lanthanide

CAS Number

74398857440122
7429905 54386242
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Space Group Name

Fm_ 3m
-

Space Group Number

225.00194.00
11 276
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