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Beryllium
Beryllium
☒

Rubidium
Rubidium
☒



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Beryllium
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Rubidium

Physical Properties of Beryllium and Rubidium

Physical

Melting Point

Boiling Point

Physical State

Color

Luster

Mohs Hardness

Brinell Hardness

Vickers Hardness

Speed of Sound

Refractive Index

Reflectivity

Allotropes

α Allotropes

β Allotropes

γ Allotropes

 
1,278.00 °C
2,970.00 °C
Solid
White Gray
Metallic
5.50
590.00 MPa
1,670.00 MPa
12,890.00 m/s
1.56
65.00 %
✔✘
-
-
-
 
38.89 °C
688.00 °C
Solid
Grayish White
-
0.30
0.22 MPa
0.22 MPa
1,300.00 m/s
1.54
52.00 %
✔✘
-
-
-