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Neptunium and Tantalum Periodic Table
f
Neptunium
Tantalum
Tantalum and Neptunium in Periodic Table
Summary
Periodic Table
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Periodic Table
Symbol
Np
Ta
Group Number
Not Available
5
13
Period Number
7
6
Block
f block
d block
Element Family
Actinide
Transition Metal
CAS Number
7439998
99+
7440257
99+
Space Group Name
Pnma
Im_ 3m
Space Group Number
62.00
11
229.00
1
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Compare Actinide Series
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