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Roentgenium
Roentgenium

Polonium
Polonium



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Periodic Table van Roentgenium en Polonium

Periodiek systeem

Symbool

Rg
Po

Group Number

1116
0 17
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periode Aantal

76
2 7
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Blok

d block
p block

element Family

-
post- Transition

CAS-nummer

543862427440086
7429905 54386242
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Space Group Name

-
Pm-3m

Space Group Number

194,00221,00
11 276
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