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Niobium
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Niobium
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Potassium
Physical Properties of Niobium and Potassium
Niobium
Potassium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
1 Physical
1.1 Melting Point
2,468.00 °C
63.65 °C
Physical Properties of Francium
▶
⊕
27
3410
2.5 Boiling Point
2,468.00 °C
774.00 °C
Physical Properties of Flerovium
▶
⊕
147
5660
2.6 Appearance
2.6.1 Physical State
Solid
Solid
2.6.2 Color
Gray
Silvery Gray
2.6.3 Luster
Metallic
NA
2.7 Hardness
2.7.1 Mohs Hardness
6.00
0.40
Physical Properties of Cesium
▶
⊕
0.2
8.5
2.7.4 Brinell Hardness
735.00 MPa
0.36 MPa
Physical Properties of Cesium
▶
⊕
0.14
3490
2.7.6 Vickers Hardness
870.00 MPa
NA
Physical Properties of Palladium
▶
⊕
121
3430
3.2 Speed of Sound
3,480.00 m/s
2,000.00 m/s
Physical Properties of Thallium
▶
⊕
818
16200
3.4 Optical Properties
3.4.1 Refractive Index
NA
NA
Physical Properties of Mercury
▶
⊕
1.000933
1.7229
4.1.1 Reflectivity
NA
NA
Physical Properties of Molybdenum
▶
⊕
58
97
4.2 Allotropes
✔
✘
✔
✘
4.2.1 α Allotropes
Not Available
Not Available
4.2.2 β Allotropes
Not Available
Not Available
4.2.3 γ Allotropes
Not Available
Not Available
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