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Protactinium
Protactinium

Roentgenium
Roentgenium



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Roentgenium

Periodic Table van Protactinium en Roentgenium

Periodiek systeem

Symbool

Pa
Rg

Group Number

311
0 17
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periode Aantal

77
2 7
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Blok

f block
d block

element Family

actinide
-

CAS-nummer

744013354386242
7429905 54386242
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Space Group Name

I4 / mmm
-

Space Group Number

139,00194,00
11 276
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