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Physical Properties of Polonium and Samarium

Polonium
Samarium
Physical Properties of Samarium and Polonium


Physical Properties
Melting Point
254.00 °C   
99+
1,072.00 °C   
99+
Boiling Point
962.00 °C   
99+
1,900.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Silvery White   
Luster
NA   
Lustrous   
Hardness
  
  
Brinell Hardness
Not Available   
441.00 MPa   
27
Vickers Hardness
Not Available   
412.00 MPa   
24
Speed of Sound
Not Available   
2,130.00 m/s   
99+
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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