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Protactinium
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Transition Metals
Actinide Series
Lanthanide Series
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Physical Properties of Protactinium
Protactinium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical
Melting Point
1,568.00 °C
Rank: 21 (Overall)
-38.83
3410
👆🏻
Boiling Point
4,027.00 °C
Rank: 12 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
Silver
Luster
Metallic
Hardness
Mohs Hardness
5.00
Rank: 8 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
125.00 MPa
Rank: 58 (Overall)
0.14
3490
👆🏻
Vickers Hardness
220.00 MPa
Rank: 50 (Overall)
0
3920
👆🏻
Speed of Sound
12,400.00 m/s
Rank: 3 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
1.60
Rank: 33 (Overall)
0.155
3.41
👆🏻
Reflectivity
60.00 %
Rank: 23 (Overall)
5
97
👆🏻
Allotropes
✔
✘
No - Actinide Series Metals has it !
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Actinide Series
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Berkelium
Mendelevium
Fermium
Nobelium
Curium
Lawrencium
» More Actinide Series
Compare Actinide Series
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Berkelium vs Curium
Berkelium vs Lawrencium
Berkelium vs Americium
» More Compare Actinide Series
Actinide Series
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Americium
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Neptunium
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Facts
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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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Mendelevium vs Berkelium
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Physical
Fermium vs Berkelium
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Facts
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Uses
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Physical
Nobelium vs Berkelium
Periodic ...
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Uses
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Physical