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Physical Properties of Molybdenum and Cobalt
f
Molybdenum
Cobalt
Physical Properties of Cobalt and Molybdenum
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical Properties
Melting Point
2,617.00 °C
5
1,495.00 °C
29
Boiling Point
4,612.00 °C
9
2,870.00 °C
34
Appearance
Physical State
Solid
Solid
Color
Gray
Gray
Luster
Metallic
Metallic
Hardness
Mohs Hardness
5.50
7
5.00
8
Brinell Hardness
1,370.00 MPa
7
470.00 MPa
26
Vickers Hardness
1,400.00 MPa
6
1,043.00 MPa
11
Speed of Sound
5,400.00 m/s
6
4,720.00 m/s
14
Optical Properties
Reflectivity
58.00 %
15
67.00 %
11
Allotropes
No
Yes
α Allotropes
Not Available
α-Cobalt
β Allotropes
Not Available
β-Cobalt
γ Allotropes
Not Available
Not Available
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