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Physical Properties of Thorium and Chromium


Physical Properties of Chromium and Thorium


Physical Properties

Melting Point
1,750.00 °C   
17
1,857.00 °C   
14

Boiling Point
4,790.00 °C   
8
2,672.00 °C   
39

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silver   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
3.00   
12
8.50   
1

Brinell Hardness
390.00 MPa   
29
687.00 MPa   
16

Vickers Hardness
295.00 MPa   
29
1,060.00 MPa   
10

Speed of Sound
2,490.00 m/s   
36
5,940.00 m/s   
5

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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