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Rutherfordium
Rutherfordium

Promethium
Promethium



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Rutherfordium
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Promethium

Rutherfordium and Promethium Periodic Table

Periodic Table

Symbol

Rf
Pm

Group Number

43
0 17
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Period Number

76
2 7
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Block

d block
f block

Element Family

Transition Metal
Lanthanide

CAS Number

538503657440122
7429905 54386242
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Space Group Name

-
-

Space Group Number

166.00194.00
11 276
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