Changes

{{Element | name=Thallium | symbol=Tl | anumber=81 | amass=204.3833 amu | state=Solid | class=Metals | cstructure=Hexagonal | color=Silvery-White | date=1861 | discname=Sir William Crookes | origname=From the Greek ''thallos'', meaning a young shoot or green twig, due to the bright green line in its spectrum. | uses=Originally, its compounds were used in rat and ant poisons, but has been prohibited since 1975 in many countries. Also used for detecting infrared radiation and in heart muscle research. | obtained=It is generally obtained as the by-product of [[zinc]] and [[lead]] smelting. Also found in [[iron pyrites]], [[crookesite]], [[hutchinsonite]] and [[lorandite]].}}

{{Element | name=Thallium | symbol=Tl | anumber=81 | amass=204.3833 amu | state=Solid | class=Metals | cstructure=Hexagonal | color=Silvery-White | date=1861 | discname=Sir William Crookes | origname=From the Greek ''thallos'', meaning a young shoot or green twig, due to the bright green line in its spectrum. | uses=Originally, its compounds were used in rat and ant poisons, but has been prohibited since 1975 in many countries. Also used for detecting infrared radiation and in heart muscle research. | obtained=It is generally obtained as the by-product of [[zinc]] and [[lead]] smelting. Also found in [[iron pyrites]], [[crookesite]], [[hutchinsonite]] and [[lorandite]].}}

[[Category:Elements]]

[[Category:Elements]]