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Physical Properties of Rubidium and Sodium


Physical Properties of Sodium and Rubidium


Physical Properties

Melting Point
38.89 °C   
99+
97.72 °C   
99+

Boiling Point
688.00 °C   
99+
883.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Grayish White   
Silvery White   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
0.30   
24
0.50   
22

Brinell Hardness
0.22 MPa   
99+
0.69 MPa   
99+

Speed of Sound
1,300.00 m/s   
99+
3,200.00 m/s   
24

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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