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Physical Properties of Radium and Tennessine
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Radium
Tennessine
Physical Properties of Tennessine and Radium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical
Melting Point
700.00 °C
99+
400.00 °C
99+
Boiling Point
1,737.00 °C
99+
610.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Silvery White
-
Luster
Metallic
Unknown Luster
Hardness
Mohs Hardness
1.00
22
-
Brinell Hardness
700.00 MPa
17
700.00 MPa
17
Vickers Hardness
140.00 MPa
99+
430.00 MPa
39
Speed of Sound
3,150.00 m/s
37
4,000.00 m/s
24
Optical Properties
Refractive Index
1.00
99+
1.90
18
Reflectivity
83.00 %
6
67.00 %
16
Allotropes
No
No
α Allotropes
-
-
β Allotropes
-
-
γ Allotropes
-
-
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