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working to make science better For the 118 indvidual WIS elements, GO to MORE in the menu above . . .
Thallium Tl
Where is thallium used--or where does it impact your everyday life?
Thallium Tl
Atomic number: 81 Atomic Mass: 204
Periodic table: Group number 13 Period number: 6
Melting point 304 oC (579oF)
Boiling point 1473 oC (2683 oF)
Reaction with air (oxygen): at high temp: 4Tl + O2 --> 2Tl2O
Reaction with water: it forms thallium hydroxide 2Tl + 2H2O --> 2TlOH + H2
Electron configuration: 2, 8, 18, 32, 18, 3
Source: LANL.gov
Researcher: Max U
Thallium 204 isotope, a beta emitter
204 Tl --> 204 Pb + e-
Thallium is used in passive IR sensors
Sketch by Julia D-Y Class of 2019, based on CHG image PD
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