What is Untrihexium?
'''Untrihexium''' is a hypothetical [[Scientific theory|speculative]] [[chemical element]] with atomic number 136 and symbol Uth. Due to [[Proton drip line|drip instabilities]], it is not known if this element is physically possible.{{cn}} ==Related pages== *[[Untripentium]] *[[Untriseptium]] [[Category:Hypothetical chemical elements]] {{chem-stub}}