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Physical Properties of Roentgenium and Technetium

Roentgenium
Technetium
Physical Properties of Technetium and Roentgenium


Physical Properties
Melting Point
Not Available   
2,200.00 °C   
9
Boiling Point
Not Available   
4,877.00 °C   
7
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Shiny Gray   
Luster
Unknown Luster   
NA   
Hardness
  
  
Speed of Sound
Not Available   
16,200.00 m/s   
1
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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