×

Thulium
Thulium
☒

Promethium
Promethium
☒



ADD ⊕
Compare
X
Thulium
X
Promethium

Thulium and Promethium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Tm
3
6
f block
Lanthanide
7440304
P63/mmc
194.00
 
Pm
3
6
f block
Lanthanide
7440122
-
194.00