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Beryllium
Beryllium

Tantalum
Tantalum



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Periodic Table van Beryllium en Tantalum

Periodiek systeem

Symbool

Be
Ta

Group Number

25
0 17
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periode Aantal

26
2 7
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Blok

s block
d block

element Family

aardalkali-
Transition Metal

CAS-nummer

74404177440257
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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