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Physical Properties of Neptunium and Protactinium
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Neptunium
Protactinium
Physical Properties of Protactinium and Neptunium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical Properties
Melting Point
640.00 °C
99+
1,568.00 °C
21
Boiling Point
3,902.00 °C
13
4,027.00 °C
12
Appearance
Physical State
Solid
Solid
Color
Silver
Silver
Luster
Metallic
Metallic
Hardness
Speed of Sound
Not Available
Not Available
Optical Properties
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Chemical >>
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Compare Actinide Series
Neptunium vs Berkelium
Neptunium vs Protactinium
Neptunium vs Mendelevium
Actinide Metals
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