Th
THORIUM
Definition from 'thor' the god of war.dark in color, soluble in hydrocloric and sulfuric acid slowly attacked by water.
Discovery 1828
Uses laboratory crucibles, alloying elements
Group of Elements Actinides(Solid)
Atomic Weight 232.0386
Oxidation State +4
Melting Point 1750
Boiling Point 4790
Density 11.0 g/cm3
Electronegativity 1.3