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Roentgenium
Roentgenium

Promethium
Promethium



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Roentgenium
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Promethium

Periodic Table van Roentgenium en Promethium

Periodiek systeem

Symbool

Rg
Pm

Group Number

113
0 17
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periode Aantal

76
2 7
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Blok

d block
f block

element Family

-
lanthanide

CAS-nummer

543862427440122
7429905 54386242
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Space Group Name

-
-

Space Group Number

194,00194,00
11 276
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