Promethium and Gadolinium Periodic Table
Periodic Table
Symbol
Pm
Gd
Group Number
Not Available
0
18
Period Number
6
6
Block
f block
f block
Element Family
Lanthanide
Lanthanide
CAS Number
7440122
99+
7440542
33
Space Group Name
Not Available
P63/mmc
Space Group Number
Not Available
194.00
5
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