Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Physical Properties of Neptunium and Tantalum


Physical Properties of Tantalum and Neptunium


Physical Properties

Melting Point
640.00 °C   
99+
2,996.00 °C   
4

Boiling Point
3,902.00 °C   
13
5,425.00 °C   
4

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Gray Blue   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
6.50   
5

Brinell Hardness
Not Available   
440.00 MPa   
28

Vickers Hardness
Not Available   
870.00 MPa   
12

Speed of Sound
Not Available   
3,400.00 m/s   
22

Optical Properties
  
  

Reflectivity
Not Available   
78.00 %   
6

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

Chemical >>
<< Uses

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series