Physical Properties of Promethium and Uranium
Physical Properties
Melting Point
1,042.00 °C
99+
1,132.00 °C
39
Boiling Point
3,000.00 °C
31
3,818.00 °C
16
Appearance
Physical State
Solid
Solid
Color
Unknown
Silvery Gray
Luster
Metallic
Metallic
Hardness
Mohs Hardness
Not Available
6.00
6
Brinell Hardness
Not Available
2,350.00 MPa
2
Vickers Hardness
Not Available
1,960.00 MPa
2
Speed of Sound
Not Available
3,155.00 m/s
25
Optical Properties
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
|
||
|
||
|
