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Physical Properties of Lanthanum and Roentgenium


Physical Properties of Roentgenium and Lanthanum


Physical Properties

Melting Point
920.00 °C   
99+
Not Available   

Boiling Point
3,469.00 °C   
18
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silver   

Luster
NA   
Unknown Luster   

Hardness
  
  

Mohs Hardness
2.50   
14
Not Available   

Brinell Hardness
350.00 MPa   
30
Not Available   

Vickers Hardness
360.00 MPa   
26
Not Available   

Speed of Sound
2,475.00 m/s   
37
Not Available   

Optical Properties
  
  

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

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