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Radium
Radium

Cesium
Cesium



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Radium
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Cesium

Physical Properties of Radium and Cesium

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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

 
700.00 °C
1,737.00 °C
Solid
Silvery White
Metallic
1.00
700.00 MPa
140.00 MPa
3,150.00 m/s
1.00
83.00 %
-
-
-
 
28.50 °C
678.40 °C
Solid
Silvery Gold
-
0.20
0.14 MPa
0.14 MPa
1,630.00 m/s
1.93
35.00 %
-
-
-