Physical Properties of Potassium and Cadmium
Physical Properties
Melting Point
63.65 °C
99+
320.90 °C
99+
Boiling Point
774.00 °C
99+
765.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Silvery Gray
Silvery Bluish-Gray
Luster
NA
Metallic
Hardness
Mohs Hardness
0.40
23
2.00
16
Brinell Hardness
0.36 MPa
99+
203.00 MPa
39
Speed of Sound
2,000.00 m/s
99+
2,310.00 m/s
39
Optical Properties
Reflectivity
Not Available
67.00 %
11
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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