Thorium

Compound Thorium
Synonyms Thorium
Formula Th
Molecular Formula Th
Molecular Weight 232.0381
CAS RN 7440-29-1
Properties Soft; grayish white
Solubility Soluble in acids, insoluble in water
Density, g/mL 1.03 g/mL at 25 °C
Melting point, °C 1750°C
Boiling point, °C bp ~3800°
Reactions Thorium combines with practically all nonmetallic elements except noble gases, forming binary compounds
Thermal Conductivity, W/(m·K) 54.0 (25°C) [CRC93]
Thermal Expansion Coefficient 11.0 x 10 ˉ6/K [CRC93]
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