Physical Properties of Protactinium and Einsteinium
Physical Properties
Melting Point
1,568.00 °C
21
860.00 °C
99+
Boiling Point
4,027.00 °C
12
996.00 °C
99+
Appearance
Physical State
Solid
Solid
Color
Silver
Silver
Luster
Metallic
NA
Hardness
Speed of Sound
Not Available
Not Available
Optical Properties
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
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