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Physical Properties of Chromium and Potassium

Chromium
Potassium
Physical Properties of Potassium and Chromium


Physical Properties
Melting Point
1,857.00 °C   
14
63.65 °C   
99+
Boiling Point
2,672.00 °C   
39
774.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Silvery Gray   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
8.50   
1
0.40   
23
Brinell Hardness
687.00 MPa   
16
0.36 MPa   
99+
Vickers Hardness
1,060.00 MPa   
10
Not Available   
Speed of Sound
5,940.00 m/s   
5
2,000.00 m/s   
99+
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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