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Neptunium
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Physical Properties of Neptunium
Neptunium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical
Melting Point
640.00 °C
Rank: 62 (Overall)
-38.83
3410
👆🏻
Boiling Point
3,902.00 °C
Rank: 13 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
Silver
Luster
Metallic
Hardness
Mohs Hardness
6.00
Rank: 6 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
622.00 MPa
Rank: 23 (Overall)
0.14
3490
👆🏻
Vickers Hardness
640.00 MPa
Rank: 23 (Overall)
0
3920
👆🏻
Speed of Sound
2,260.00 m/s
Rank: 58 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
1.30
Rank: 43 (Overall)
0.155
3.41
👆🏻
Reflectivity
64.00 %
Rank: 19 (Overall)
5
97
👆🏻
Allotropes
✔
✘
No - Actinide Series Metals has it !
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Actinide Series
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Americium
Lawrencium
Curium
Nobelium
Protactinium
Berkelium
» More Actinide Series
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Americium vs Protactinium
Americium vs Berkelium
Americium vs Mendelevium
» More Compare Actinide Series
Actinide Series
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Mendelevium
Periodic ...
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Physical
Fermium
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Uses
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Physical
Actinium
Periodic ...
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Facts
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Uses
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Physical
Compare Actinide Series
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Lawrencium vs Americium
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Physical
Curium vs Americium
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Uses
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Physical
Nobelium vs Americium
Periodic ...
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Uses
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Physical