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Neptunium and Actinium Periodic Table
f
Neptunium
Actinium
Actinium and Neptunium in Periodic Table
Summary
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Periodic Table
Symbol
Np
Ac
Group Number
Not Available
Not Available
Period Number
7
7
Block
f block
f block
Element Family
Actinide
Actinide
CAS Number
7439998
99+
7440348
99+
Space Group Name
Pnma
Fm_ 3m
Space Group Number
62.00
11
225.00
2
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Compare Actinide Series
Neptunium vs Berkelium
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Actinide Metals
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Actinium vs Lawrencium
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