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Physical Properties of Niobium and Thallium
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Niobium
Thallium
Physical Properties of Thallium and Niobium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical Properties
Melting Point
2,468.00 °C
6
303.50 °C
99+
Boiling Point
2,468.00 °C
99+
1,457.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Gray
Silvery White
Luster
Metallic
NA
Hardness
Mohs Hardness
6.00
6
1.20
20
Brinell Hardness
735.00 MPa
14
26.50 MPa
99+
Vickers Hardness
870.00 MPa
12
Not Available
Speed of Sound
3,480.00 m/s
21
818.00 m/s
99+
Optical Properties
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
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