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Thulium
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Einsteinium
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Thulium
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Einsteinium
Physical Properties of Thulium and Einsteinium
Thulium
Einsteinium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Physical
Melting Point
1,545.00 °C
860.00 °C
-38.83
3410
👆🏻
Boiling Point
1,730.00 °C
996.00 °C
0
5660
👆🏻
Appearance
Physical State
Solid
Solid
Color
Silvery Gray
Silver
Luster
Metallic
-
Hardness
Mohs Hardness
2.25
6.00
0.2
8.5
👆🏻
Brinell Hardness
471.00 MPa
240.00 MPa
0.14
3490
👆🏻
Vickers Hardness
520.00 MPa
550.00 MPa
0
3920
👆🏻
Speed of Sound
2,760.00 m/s
2,850.00 m/s
818
16200
👆🏻
Optical Properties
Refractive Index
1.60
1.30
0.155
3.41
👆🏻
Reflectivity
35.00 %
63.00 %
5
97
👆🏻
Allotropes
✔
✘
✔
✘
α Allotropes
-
-
β Allotropes
-
-
γ Allotropes
-
-
Compare Lanthanide Series
» More
Thulium vs Lutetium
Thulium vs Praseodymium
Thulium vs Promethium
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Lanthanide Series
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Ytterbium
Terbium
Dysprosium
Holmium
Lutetium
Praseodymium
» More Lanthanide Series
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Promethium
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Einsteinium vs Terbium
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Einsteinium vs Dysprosium
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