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Rubidium
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Physical Properties of Rubidium
Rubidium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical
Melting Point
38.89 °C
Rank: 78 (Overall)
-38.83
3410
👆🏻
Boiling Point
688.00 °C
Rank: 76 (Overall)
0
5660
👆🏻
Appearance
Physical State
Solid
Color
Grayish White
Luster
-
Hardness
Mohs Hardness
0.30
Rank: 26 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
0.22 MPa
Rank: 70 (Overall)
0.14
3490
👆🏻
Vickers Hardness
0.22 MPa
Rank: 71 (Overall)
0
3920
👆🏻
Speed of Sound
1,300.00 m/s
Rank: 68 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
1.54
Rank: 35 (Overall)
0.155
3.41
👆🏻
Reflectivity
52.00 %
Rank: 29 (Overall)
5
97
👆🏻
Allotropes
✔
✘
8% - Alkali Metals Metals
α Allotropes
-
β Allotropes
-
γ Allotropes
-
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