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Physical Properties of Ruthenium and Potassium

Ruthenium
Potassium
Physical Properties of Potassium and Ruthenium


Physical Properties
Melting Point
2,250.00 °C   
8
63.65 °C   
99+
Boiling Point
3,900.00 °C   
14
774.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Gray   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
6.50   
5
0.40   
23
Brinell Hardness
2,160.00 MPa   
3
0.36 MPa   
99+
Speed of Sound
5,970.00 m/s   
4
2,000.00 m/s   
99+
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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