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Physical Properties of Polonium and Chromium


Physical Properties of Chromium and Polonium


Physical Properties

Melting Point
254.00 °C   
99+
1,857.00 °C   
14

Boiling Point
962.00 °C   
99+
2,672.00 °C   
39

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silver   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
8.50   
1

Brinell Hardness
Not Available   
687.00 MPa   
16

Vickers Hardness
Not Available   
1,060.00 MPa   
10

Speed of Sound
Not Available   
5,940.00 m/s   
5

Optical Properties
  
  

Allotropes
Yes   
No   

α Allotropes
α-polonium   
Not Available   

β Allotropes
β-polonium   
Not Available   

γ Allotropes
Not Available   
Not Available   

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