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Neptunium
Neptunium

Radium
Radium



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Neptunium
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Radium

Periodic Table van Neptunium en Radium

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Periodiek systeem

Symbool

Np
Ra

Group Number

32
0 17
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periode Aantal

77
2 7
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Blok

f block
s block

element Family

actinide
aardalkali-

CAS-nummer

74399987440144
7429905 54386242
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Space Group Name

Pnma
Im_ 3m

Space Group Number

62,00229,00
11 276
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