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Physical Properties of Barium and Polonium


Physical Properties of Polonium and Barium


Physical Properties

Melting Point
725.00 °C   
99+
254.00 °C   
99+

Boiling Point
1,140.00 °C   
99+
962.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silver   

Luster
NA   
NA   

Hardness
  
  

Mohs Hardness
1.25   
19
Not Available   

Speed of Sound
1,620.00 m/s   
99+
Not Available   

Optical Properties
  
  

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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