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Neptunium and Polonium Periodic Table


Polonium and Neptunium in Periodic Table


Periodic Table

Symbol
Np   
Po   

Group Number
Not Available   
16   
2

Period Number
7   
6   

Block
f block   
p block   

Element Family
Actinide   
Post-​Transition   

CAS Number
7439998   
99+
7440086   
99+

Space Group Name
Pnma   
Pm-3m   

Space Group Number
62.00   
11
221.00   
3

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