What is Thallium(I) oxide?
'''Thallium(I) oxide''', also known as '''thallous oxide''', is a [[chemical compound]]. Its chemical formula is Tl<sub>2</sub>O. It has [[thallium]] and [[oxide]] [[ion]]s in it. The thallium is in its +1 [[oxidation state]]. ==Properties== Thallium(I) oxide is a black solid. It reacts with water to make a yellow solution of [[thallium(I) hydroxide]]. It reacts with carbon dioxide to make [[thallium(I) carbonate]]. It is a strong [[base (chemistry)|base]]. It reacts with [[acid]]s to make other thallium [[salt]]s. It is very toxic. ==Preparation== It is made by heating thallium(I) hydroxide or thallium(I) carbonate in air. ==Uses== It is used in some [[superconductor]]s. It is also used to make certain special types of [[glass]]. ==Related pages== *[[Thallium(III) oxide]] *[[Thallium(I) chloride]] *[[Thallium(I) sulfate]] [[Category:Thallium compounds]] [[Category:Oxides]] {{chem-stub}}