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Physical Properties of Technetium and Neptunium


Physical Properties of Neptunium and Technetium


Physical Properties

Melting Point
2,200.00 °C   
9
640.00 °C   
99+

Boiling Point
4,877.00 °C   
7
3,902.00 °C   
13

Appearance
  
  

Physical State
Solid   
Solid   

Color
Shiny Gray   
Silver   

Luster
NA   
Metallic   

Hardness
  
  

Speed of Sound
16,200.00 m/s   
1
Not Available   

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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