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Roentgenium
Roentgenium

Polonium
Polonium



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Roentgenium
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Polonium

Roentgenium and Polonium Periodic Table

Periodic Table

Symbol

Rg
Po

Group Number

1116
0 17
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Period Number

76
2 7
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Block

d block
p block

Element Family

-
Post-​Transition

CAS Number

543862427440086
7429905 54386242
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Space Group Name

-
Pm-3m

Space Group Number

194.00221.00
11 276
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