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Vanadium
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Actinium
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Vanadium
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Actinium
Physical Properties of Vanadium and Actinium
Vanadium
Actinium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical
Melting Point
1,890.00 °C
1,227.00 °C
-38.83
3410
👆🏻
Boiling Point
3,380.00 °C
3,200.00 °C
0
5660
👆🏻
Appearance
Physical State
Solid
Solid
Color
Blue-Silver Grey
Silvery White
Luster
Metallic
-
Hardness
Mohs Hardness
6.70
6.50
0.2
8.5
👆🏻
Brinell Hardness
600.00 MPa
70.00 MPa
0.14
3490
👆🏻
Vickers Hardness
628.00 MPa
260.00 MPa
0
3920
👆🏻
Speed of Sound
4,560.00 m/s
3,430.00 m/s
818
16200
👆🏻
Optical Properties
Refractive Index
2.05
1.00
0.155
3.41
👆🏻
Reflectivity
61.00 %
62.00 %
5
97
👆🏻
Allotropes
✔
✘
✔
✘
α Allotropes
-
-
β Allotropes
-
-
γ Allotropes
-
-
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