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Technetium
Technetium

Terbium
Terbium



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Technetium
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Terbium

Physical Properties of Technetium and Terbium

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

 
2,200.00 °C
4,877.00 °C
Solid
Shiny Gray
-
2.25
550.00 MPa
500.00 MPa
16,200.00 m/s
1.90
35.00 %
-
-
-
 
1,356.00 °C
3,123.00 °C
Solid
Silvery White
Metallic
1.50
677.00 MPa
863.00 MPa
2,620.00 m/s
1.60
35.00 %
-
-
-