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Physical Properties of Technetium and Beryllium


Physical Properties of Beryllium and Technetium


Physical Properties

Melting Point
2,200.00 °C   
9
1,278.00 °C   
36

Boiling Point
4,877.00 °C   
7
2,970.00 °C   
32

Appearance
  
  

Physical State
Solid   
Solid   

Color
Shiny Gray   
White Gray   

Luster
NA   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
5.50   
7

Brinell Hardness
Not Available   
590.00 MPa   
21

Vickers Hardness
Not Available   
1,670.00 MPa   
4

Speed of Sound
16,200.00 m/s   
1
12,890.00 m/s   
2

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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