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Beryllium
Beryllium

francium
francium



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francium

Periodic Table van Beryllium en francium

Periodiek systeem

Symbool

Be
Fr

Group Number

21
0 17
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periode Aantal

27
2 7
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Blok

s block
s block

element Family

aardalkali-
Alkali

CAS-nummer

74404177440735
7429905 54386242
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Space Group Name

P63 / mmc
-

Space Group Number

194,00225,00
11 276
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