Period 6 element devices though concerns about the element's toxicity have led to mercury thermometers and sphygmomanometers being largely phased out in clinical environments in favor of alcohol-filled, galinstan-filled, digital, or thermistor-based instruments. It remains in use in scientific research applications and in amalgam material for dental restoration. It is used in lighting: electricity passed through mercury vapor in a phosphor tube produces short-wave ultraviolet light which then causes the phosphor to fluoresce, making visible light. Thallium is a chemical element with the symbol Tl and atomic number 81. This soft gray other metal resembles tin but discolors when exposed to air. The
Inorganic compounds by element Inorganic compounds by element This is a list of common inorganic and organometallic compounds of each element. Compounds are listed alphabetically by their chemical element name rather than by symbol, as in list of inorganic compounds. AcCl, AcF, AcO AlH, AlBr, AlBr, AlCl, AlCl(OH), AlF, AlGaAs, AlGaN, Al(OH), AlI, AlI, Al("i"-PrO), Al(NO), AlN, AlO, Al(SO), AlS, "i"-BuAlH (DIBAL-H), EtAlCl, LiAlH, (−Al(CH)O−), EtAl, MeAl AmCl, AmCl, AmF, AmO SbF, SbF, SbCl, SbCl, SbO, SbO, SbS, SbS, InSb, CHKOSb, KSbF, NaSbF, SbH, (CH)Sb HArF AsBr, AsCl, AsF, AsF, AsO, AsO, AsS, AsH, (CH)AsOOH, GaAs, KAsF, KHAsO, NaAsO, NaHAsO, NaAsO, (CH)As, (CH)As LiAt,