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Polonium
Polonium

Beryllium
Beryllium



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Polonium
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Beryllium

Physical Properties of Polonium and Beryllium

1 Physical
1.1 Melting Point
254.00 °C1,278.00 °C
Physical Properties of Francium
27 3410
1.2 Boiling Point
962.00 °C2,970.00 °C
Physical Properties of Flerovium
147 5660
1.3 Appearance
1.3.1 Physical State
Solid
Solid
1.3.2 Color
Silver
White Gray
1.3.3 Luster
NA
Metallic
1.4 Hardness
1.4.1 Mohs Hardness
NA5.50
Physical Properties of Cesium
0.2 8.5
1.4.2 Brinell Hardness
NA590.00 MPa
Physical Properties of Cesium
0.14 3490
1.4.3 Vickers Hardness
NA1,670.00 MPa
Physical Properties of Palladium
121 3430
1.5 Speed of Sound
NA12,890.00 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
α-polonium
Not Available
1.7.2 β Allotropes
β-polonium
Not Available
1.7.3 γ Allotropes
Not Available
Not Available