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Cesium
Cesium

Polonium
Polonium



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Cesium
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Polonium

Physical Properties of Cesium and Polonium

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1 Physical
1.1 Melting Point
28.50 °C254.00 °C
Physical Properties of Francium
27 3410
1.2 Boiling Point
678.40 °C962.00 °C
Physical Properties of Flerovium
147 5660
1.3 Appearance
1.3.1 Physical State
Solid
Solid
1.3.2 Color
Silvery Gold
Silver
1.3.3 Luster
NA
NA
1.4 Hardness
1.4.1 Mohs Hardness
0.20NA
Tin
0.2 8.5
1.4.2 Brinell Hardness
0.14 MPaNA
Palladium
0.14 3490
1.4.3 Vickers Hardness
NANA
Physical Properties of Palladium
121 3430
1.5 Speed of Sound
NANA
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
α-polonium
1.7.2 β Allotropes
Not Available
β-polonium
1.7.3 γ Allotropes
Not Available
Not Available