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Physical Properties of Radium and Thallium


Physical Properties of Thallium and Radium


Physical Properties

Melting Point
700.00 °C   
99+
303.50 °C   
99+

Boiling Point
1,737.00 °C   
99+
1,457.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
Not Available   
1.20   
20

Brinell Hardness
Not Available   
26.50 MPa   
99+

Speed of Sound
Not Available   
818.00 m/s   
99+

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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