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Technetium
Technetium

Bismuth
Bismuth



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Technetium
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Bismuth

Physical Properties of Technetium and Bismuth

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 %
-
-
-
 
271.30 °C
1,560.00 °C
Solid
Silver
Metallic
2.25
70.00 MPa
30.00 MPa
1,790.00 m/s
2.50
70.00 %
-
-
-