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Potassium
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Actinium
Physical Properties of Potassium and Actinium
Potassium
Actinium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
1 Physical
1.1 Melting Point
63.65 °C
1,227.00 °C
Physical Properties of Francium
▶
⊕
27
3410
1.3 Boiling Point
774.00 °C
3,200.00 °C
Physical Properties of Flerovium
▶
⊕
147
5660
1.2 Appearance
1.2.1 Physical State
Solid
Solid
1.2.2 Color
Silvery Gray
Silvery White
1.2.3 Luster
NA
NA
1.3 Hardness
1.3.1 Mohs Hardness
0.40
NA
Physical Properties of Cesium
▶
⊕
0.2
8.5
1.3.1 Brinell Hardness
0.36 MPa
NA
Physical Properties of Cesium
▶
⊕
0.14
3490
1.6.3 Vickers Hardness
NA
NA
Physical Properties of Palladium
▶
⊕
121
3430
1.7 Speed of Sound
2,000.00 m/s
NA
Physical Properties of Thallium
▶
⊕
818
16200
1.14 Optical Properties
1.14.1 Refractive Index
NA
NA
Physical Properties of Mercury
▶
⊕
1.000933
1.7229
1.19.2 Reflectivity
NA
NA
Physical Properties of Molybdenum
▶
⊕
58
97
1.20 Allotropes
✔
✘
✔
✘
1.20.1 α Allotropes
Not Available
Not Available
1.20.2 β Allotropes
Not Available
Not Available
1.20.3 γ Allotropes
Not Available
Not Available
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