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Physical Properties of Nickel and Polonium


Physical Properties of Polonium and Nickel


Physical Properties

Melting Point
1,453.00 °C   
31
254.00 °C   
99+

Boiling Point
2,732.00 °C   
38
962.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silver   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
4.00   
10
Not Available   

Brinell Hardness
667.00 MPa   
18
Not Available   

Vickers Hardness
638.00 MPa   
16
Not Available   

Speed of Sound
4,900.00 m/s   
12
Not Available   

Optical Properties
  
  

Reflectivity
72.00 %   
9
Not Available   

Allotropes
No   
Yes   

α Allotropes
Not Available   
α-polonium   

β Allotropes
Not Available   
β-polonium   

γ Allotropes
Not Available   
Not Available   

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