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Physical Properties of Ruthenium and Tantalum

Ruthenium
Tantalum
Physical Properties of Tantalum and Ruthenium


Physical Properties
Melting Point
2,250.00 °C   
8
2,996.00 °C   
4
Boiling Point
3,900.00 °C   
14
5,425.00 °C   
4
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Gray Blue   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.50   
5
6.50   
5
Brinell Hardness
2,160.00 MPa   
3
440.00 MPa   
28
Vickers Hardness
Not Available   
870.00 MPa   
12
Speed of Sound
5,970.00 m/s   
4
3,400.00 m/s   
22
Optical Properties
  
  
Reflectivity
Not Available   
78.00 %   
6
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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