Polonium
Physical properties
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Physical state @ 20°C:
Solid
Color:
Silvery-grey
Molecular weight (g/mol):
210 (approximately) [1]
Melting point (°C):
246-254 [1]
Boiling point (°C):
962 [1]
Density (g/cm
3
):
alpha-form: 9.142 [1], 9.196 [4]
beta-form: 9.352 [1], 9.398 [4]