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Technetium
Technetium
☒

Meitnerium
Meitnerium
☒



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Technetium
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Meitnerium

Physical Properties of Technetium and Meitnerium

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 %
✔✘
-
-
-
 
-
0.00 °C
Solid
-
Unknown Luster
-
400.00 MPa
350.00 MPa
3,200.00 m/s
1.30
68.00 %
✔✘
-
-
-