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Physical Properties of Polonium and Zirconium


Physical Properties of Zirconium and Polonium


Physical Properties

Melting Point
254.00 °C   
99+
1,852.00 °C   
15

Boiling Point
962.00 °C   
99+
4,377.00 °C   
11

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Silvery White   

Luster
NA   
Lustrous   

Hardness
  
  

Mohs Hardness
Not Available   
5.00   
8

Brinell Hardness
Not Available   
638.00 MPa   
19

Vickers Hardness
Not Available   
820.00 MPa   
15

Speed of Sound
Not Available   
3,800.00 m/s   
20

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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