Physical Properties of Lead and Cesium
Physical Properties
Melting Point
327.50 °C
99+
28.50 °C
99+
Boiling Point
1,740.00 °C
99+
678.40 °C
99+
Appearance
Physical State
Solid
Solid
Color
Gray
Silvery Gold
Luster
Metallic
NA
Hardness
Mohs Hardness
1.50
18
0.20
25
Brinell Hardness
38.00 MPa
99+
0.14 MPa
99+
Speed of Sound
1,190.00 m/s
99+
Not Available
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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