Physical Properties of Polonium and Gadolinium
Physical Properties
Melting Point
254.00 °C
99+
1,311.00 °C
35
Boiling Point
962.00 °C
99+
3,233.00 °C
25
Appearance
Physical State
Solid
Solid
Color
Silver
Silvery White
Luster
NA
Metallic
Hardness
Vickers Hardness
Not Available
510.00 MPa
22
Speed of Sound
Not Available
2,680.00 m/s
34
Optical Properties
Allotropes
Yes
No
α Allotropes
α-polonium
Not Available
β Allotropes
β-polonium
Not Available
γ Allotropes
Not Available
Not Available
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