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Technetium
Technetium
☒

Gold
Gold
☒



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Technetium
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Gold

Physical Properties of Technetium and Gold

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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

 
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 %
✔✘
-
-
-
 
1,064.43 °C
2,807.00 °C
Solid
Gold
Metallic
2.50
194.00 MPa
216.00 MPa
2,030.00 m/s
0.47
95.00 %
✔✘
-
-
-