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Beryllium
Beryllium

Promethium
Promethium



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Periodic Table van Beryllium en Promethium

Periodiek systeem

Symbool

Be
Pm

Group Number

23
0 17
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periode Aantal

26
2 7
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Blok

s block
f block

element Family

aardalkali-
lanthanide

CAS-nummer

74404177440122
7429905 54386242
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Space Group Name

P63 / mmc
-

Space Group Number

194,00194,00
11 276
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