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Physical Properties of Lead and Niobium


Physical Properties of Niobium and Lead


Physical Properties

Melting Point
327.50 °C   
99+
2,468.00 °C   
6

Boiling Point
1,740.00 °C   
99+
2,468.00 °C   
99+

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Gray   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
1.50   
18
6.00   
6

Brinell Hardness
38.00 MPa   
99+
735.00 MPa   
14

Vickers Hardness
Not Available   
870.00 MPa   
12

Speed of Sound
1,190.00 m/s   
99+
3,480.00 m/s   
21

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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