Periodic Table van Cesium en Beryllium
Periodiek systeem
Symbool
Cs
Be
Group Number
1
17
2
16
periode Aantal
6
2
Blok
s block
s block
element Family
Alkali
aardalkali-
CAS-nummer
7440462
40
7440417
99+
Space Group Name
Im_ 3m
P63 / mmc
Space Group Number
229,00
1
194,00
5
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