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Neptunium and Protactinium Periodic Table
f
Neptunium
Protactinium
Protactinium and Neptunium in Periodic Table
Summary
Periodic Table
Facts
Uses
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Periodic Table
Symbol
Np
Pa
Group Number
Not Available
Not Available
Period Number
7
7
Block
f block
f block
Element Family
Actinide
Actinide
CAS Number
7439998
99+
7440133
99+
Space Group Name
Pnma
I4/mmm
Space Group Number
62.00
11
139.00
8
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Compare Actinide Series
Neptunium vs Mendelevium
Neptunium vs Berkelium
Neptunium vs Protactinium
Actinide Metals
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Actinide Metals
Mendelevium
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Protactinium vs Lawrencium
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Protactinium vs Nobelium
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