Physical Properties of Rubidium and Lead
Physical Properties
Melting Point
38.89 °C
99+
327.50 °C
99+
Boiling Point
688.00 °C
99+
1,740.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Grayish White
Gray
Luster
NA
Metallic
Hardness
Mohs Hardness
0.30
24
1.50
18
Brinell Hardness
0.22 MPa
99+
38.00 MPa
99+
Speed of Sound
1,300.00 m/s
99+
1,190.00 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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