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Mendelevium
Mendelevium

Protactinium
Protactinium



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Mendelevium
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Protactinium

Physical Properties of Mendelevium and Protactinium

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

 
827.00 °C
0.00 °C
Solid
-
Metallic
-
350.00 MPa
0.00 MPa
2,680.00 m/s
1.30
66.00 %
-
-
-
 
1,568.00 °C
4,027.00 °C
Solid
Silver
Metallic
5.00
125.00 MPa
220.00 MPa
12,400.00 m/s
1.60
60.00 %
-
-
-