Sodium and Promethium Periodic Table
Periodic Table
Symbol
Na
Pm
Group Number
1
17
Not Available
Period Number
3
6
Block
s block
f block
Element Family
Alkali
Lanthanide
CAS Number
7440235
99+
7440122
99+
Space Group Name
Im_ 3m
Not Available
Space Group Number
229.00
1
Not Available
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