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Physical Properties of Iron and Actinium


Physical Properties of Actinium and Iron


Physical Properties

Melting Point
1,535.00 °C   
25
1,227.00 °C   
38

Boiling Point
2,750.00 °C   
37
3,200.00 °C   
26

Appearance
  
  

Physical State
Solid   
Solid   

Color
Gray   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Mohs Hardness
4.00   
10
Not Available   

Brinell Hardness
200.00 MPa   
40
Not Available   

Vickers Hardness
608.00 MPa   
18
Not Available   

Speed of Sound
5,120.00 m/s   
8
Not Available   

Optical Properties
  
  

Reflectivity
65.00 %   
12
Not Available   

Allotropes
Yes   
No   

α Allotropes
Ferrite (alpha Iron)   
Not Available   

β Allotropes
beta Iron   
Not Available   

γ Allotropes
gamma Iron   
Not Available   

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