What is Thallium(III) oxide?
'''Thallium(III) oxide''', also known as '''thallic oxide''', is a [[chemical compound]]. Its chemical formula is Tl<sub>2</sub>O<sub>3</sub>. It has [[thallium]] and [[oxide]] [[ion]]s in it. The thallium is in its +3 [[oxidation state]]. ==Properties== Thallium(III) oxide is a white powder. It is very heavy and very [[toxic]]. It is a [[semiconductor]]. It reacts with acids to make other toxic thallium compounds. It does not dissolve in water. ==Preparation== It is made by [[oxidation]] of [[thallium(I) oxide]]. ==Uses== It may be used in [[solar cell]]s. ==Related pages== *[[Thallium(I) chloride]] *[[Silver(I) oxide]] [[Category:Thallium compounds]] [[Category:Oxides]]