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Cobalt
Cobalt

Thorium
Thorium



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Cobalt
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Thorium

Physical Properties of Cobalt and Thorium

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1 Physical
1.1 Melting Point
1,495.00 °C1,750.00 °C
Physical Properties of Francium
27 3410
1.2 Boiling Point
2,870.00 °C4,790.00 °C
Physical Properties of Flerovium
147 5660
1.3 Appearance
1.3.1 Physical State
Solid
Solid
1.3.2 Color
Gray
Silver
1.3.3 Luster
Metallic
NA
1.4 Hardness
1.4.1 Mohs Hardness
5.003.00
Physical Properties of Cesium
0.2 8.5
1.4.2 Brinell Hardness
470.00 MPa390.00 MPa
Physical Properties of Cesium
0.14 3490
1.4.3 Vickers Hardness
1,043.00 MPa295.00 MPa
Physical Properties of Palladium
121 3430
1.5 Speed of Sound
4,720.00 m/s2,490.00 m/s
Physical Properties of Thallium
818 16200
1.6 Optical Properties
1.6.1 Refractive Index
NANA
Physical Properties of Mercury
1.000933 1.7229
1.6.2 Reflectivity
67.00 %NA
Physical Properties of Molybdenum
58 97
1.7 Allotropes
1.7.1 α Allotropes
α-Cobalt
Not Available
1.7.2 β Allotropes
β-Cobalt
Not Available
1.7.3 γ Allotropes
Not Available
Not Available