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Physical Properties of Gold and Potassium

Gold
Potassium
Physical Properties of Potassium and Gold


Physical Properties
Melting Point
1,064.43 °C   
99+
63.65 °C   
99+
Boiling Point
2,807.00 °C   
36
774.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gold   
Silvery Gray   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
2.50   
14
0.40   
23
Brinell Hardness
194.00 MPa   
99+
0.36 MPa   
99+
Vickers Hardness
216.00 MPa   
31
Not Available   
Speed of Sound
2,030.00 m/s   
99+
2,000.00 m/s   
99+
Optical Properties
  
  
Reflectivity
95.00 %   
2
Not Available   
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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