Periodic Table van Polonium en Hafnium
Periodiek systeem
Symbool
Po
Hf
Group Number
16
2
4
14
periode Aantal
6
6
Blok
p block
d block
element Family
post- Transition
Transition Metal
CAS-nummer
7440086
99+
7440586
30
Space Group Name
Pm-3m
P63 / mmc
Space Group Number
221,00
3
194,00
5
|
||
|
||
|
