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Physical Properties of Promethium and Osmium

Promethium
Osmium
Physical Properties of Osmium and Promethium


Physical Properties
Melting Point
1,042.00 °C   
99+
3,045.00 °C   
3
Boiling Point
3,000.00 °C   
31
5,027.00 °C   
6
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silvery Bluish-Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
7.00   
3
Brinell Hardness
Not Available   
3,490.00 MPa   
1
Speed of Sound
Not Available   
4,940.00 m/s   
11
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
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Lanthanide Metals

Lanthanide Metals

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