×

Promethium
Promethium

Protactinium
Protactinium



ADD
Compare
X
Promethium
X
Protactinium

Promethium and Protactinium Periodic Table

Periodic Table

Symbol

Pm
Pa

Group Number

33
0 17
👆🏻

Period Number

67
2 7
👆🏻

Block

f block
f block

Element Family

Lanthanide
Actinide

CAS Number

74401227440133
7429905 54386242
👆🏻

Space Group Name

-
I4/mmm

Space Group Number

194.00139.00
11 276
👆🏻