Neptunium and Strontium Periodic Table
Periodic Table
Symbol
Np
Sr
Group Number
Not Available
2
16
Period Number
7
5
Block
f block
s block
Element Family
Actinide
Alkaline Earth
CAS Number
7439998
99+
7440246
99+
Space Group Name
Pnma
Fm_ 3m
Space Group Number
62.00
11
225.00
2
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