×

Polonium
Polonium

Promethium
Promethium



ADD
Compare
X
Polonium
X
Promethium

Periodic Table van Polonium en Promethium

Periodiek systeem

Symbool

Po
Pm

Group Number

163
0 17
👆🏻

periode Aantal

66
2 7
👆🏻

Blok

p block
f block

element Family

post- Transition
lanthanide

CAS-nummer

74400867440122
7429905 54386242
👆🏻

Space Group Name

Pm-3m
-

Space Group Number

221,00194,00
11 276
👆🏻