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Technetium
Technetium

Polonium
Polonium



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Periodic Table van Technetium en Polonium

Periodiek systeem

Symbool

Tc
Po

Group Number

716
0 17
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periode Aantal

56
2 7
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Blok

d block
p block

element Family

Transition Metal
post- Transition

CAS-nummer

74402687440086
7429905 54386242
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Space Group Name

P63 / mmc
Pm-3m

Space Group Number

194,00221,00
11 276
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