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Silver
Silver
☒

Actinium
Actinium
☒



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Silver
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Actinium

Physical Properties of Silver and Actinium

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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

 
961.93 °C
2,212.00 °C
Solid
Silvery White
Metallic
2.50
251.00 MPa
229.00 MPa
2,680.00 m/s
0.16
97.00 %
✔✘
-
-
-
 
1,227.00 °C
3,200.00 °C
Solid
Silvery White
-
6.50
70.00 MPa
260.00 MPa
3,430.00 m/s
1.00
62.00 %
✔✘
-
-
-