Periodic Table van Calcium en Technetium
Periodiek systeem
Symbool
Ca
Tc
Group Number
2
16
7
11
periode Aantal
4
5
Blok
s block
d block
element Family
aardalkali-
Transition Metal
CAS-nummer
7440702
21
7440268
99+
Space Group Name
Fm_ 3m
P63 / mmc
Space Group Number
225,00
2
194,00
5
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