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Physical Properties of Silver and Platinum
Silver
Platinum
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical
Melting Point
961.93 °C
1,772.00 °C
-38.83
3410
👆🏻
Boiling Point
2,212.00 °C
3,827.00 °C
0
5660
👆🏻
Appearance
Physical State
Solid
Solid
Color
Silvery White
Silvery White
Luster
Metallic
Metallic
Hardness
Mohs Hardness
2.50
3.50
0.2
8.5
👆🏻
Brinell Hardness
251.00 MPa
300.00 MPa
0.14
3490
👆🏻
Vickers Hardness
229.00 MPa
400.00 MPa
0
3920
👆🏻
Speed of Sound
2,680.00 m/s
2,800.00 m/s
818
16200
👆🏻
Optical Properties
Refractive Index
0.16
2.41
0.155
3.41
👆🏻
Reflectivity
97.00 %
73.00 %
5
97
👆🏻
Allotropes
✔
✘
✔
✘
α Allotropes
-
-
β Allotropes
-
-
γ Allotropes
-
-
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