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Physical Properties of Potassium and Terbium


Physical Properties of Terbium and Potassium


Physical Properties

Melting Point
63.65 °C   
99+
1,356.00 °C   
33

Boiling Point
774.00 °C   
99+
3,123.00 °C   
29

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery Gray   
Silvery White   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
0.40   
23
Not Available   

Brinell Hardness
0.36 MPa   
99+
677.00 MPa   
17

Vickers Hardness
Not Available   
863.00 MPa   
13

Speed of Sound
2,000.00 m/s   
99+
2,620.00 m/s   
35

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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