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Technetium
Technetium

Radium
Radium



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Radium

Periodic Table van Technetium en Radium

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Periodiek systeem

Symbool

Tc
Ra

Group Number

72
0 17
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periode Aantal

57
2 7
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Blok

d block
s block

element Family

Transition Metal
aardalkali-

CAS-nummer

74402687440144
7429905 54386242
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Space Group Name

P63 / mmc
Im_ 3m

Space Group Number

194,00229,00
11 276
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