Physical Properties of Potassium and Mercury
Physical Properties
Melting Point
63.65 °C
99+
Not Available
Boiling Point
774.00 °C
99+
356.58 °C
99+
Appearance
Physical State
Solid
Liquid
Color
Silvery Gray
Silver
Luster
NA
NA
Hardness
Mohs Hardness
0.40
23
Not Available
Brinell Hardness
0.36 MPa
99+
Not Available
Speed of Sound
2,000.00 m/s
99+
1,451.40 m/s
99+
Optical Properties
Refractive Index
Not Available
1.00
3
Reflectivity
Not Available
73.00 %
8
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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