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Potassium
Potassium

Praseodymium
Praseodymium



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Potassium
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Praseodymium

Physical Properties of Potassium and Praseodymium

1 Physical
1.1 Melting Point
63.65 °C935.00 °C
Physical Properties of Francium
27 3410
1.2 Boiling Point
774.00 °C3,130.00 °C
Physical Properties of Flerovium
147 5660
1.3 Appearance
1.3.1 Physical State
Solid
Solid
1.3.2 Color
Silvery Gray
Grayish White
1.3.3 Luster
NA
Metallic
1.4 Hardness
1.4.1 Mohs Hardness
0.40NA
Physical Properties of Cesium
0.2 8.5
1.4.2 Brinell Hardness
0.36 MPa481.00 MPa
Physical Properties of Cesium
0.14 3490
1.4.3 Vickers Hardness
NA400.00 MPa
Physical Properties of Palladium
121 3430
1.5 Speed of Sound
2,000.00 m/s2,280.00 m/s
Physical Properties of Thallium
818 16200
1.6 Optical Properties
1.6.1 Refractive Index
NANA
Physical Properties of Mercury
1.000933 1.7229
1.6.2 Reflectivity
NANA
Physical Properties of Molybdenum
58 97
1.7 Allotropes
1.7.1 α Allotropes
Not Available
Not Available
1.7.2 β Allotropes
Not Available
Not Available
1.7.3 γ Allotropes
Not Available
Not Available