×

Polonium
Polonium
☒

Praseodymium
Praseodymium
☒



ADD ⊕
Compare
X
Polonium
X
Praseodymium

Polonium and Praseodymium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Po
16
6
p block
Post-​Transition
7440086
Pm-3m
221.00
 
Pr
3
6
f block
Lanthanide
7440100
P63/mmc
194.00