thallium
chemical element with symbol Tl and atomic number 81
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thallium
Summary
thallium is a chemical element[1]. thallium draws 1,021 Wikipedia views per month (chemical_element category, ranking #59 of 144).[2]
Key Facts
- thallium is credited with the discovery of Claude-Auguste Lamy[3].
- thallium is credited with the discovery of William Crookes[4].
- thallium's instance of is recorded as chemical element[5].
- thallium's instance of is recorded as chalcophile element[6].
- thallus is named after thallium[7].
- thallium's canonical SMILES is recorded as [Tl][8].
- thallium's element symbol is recorded as Tl[9].
- thallium's chemical formula is recorded as Tl[10].
- thallium is a type of p-block[11].
- thallium is part of period 6[12].
- thallium is part of group 13[13].
- thallium is part of post-transition metal[14].
- thallium's Commons category is recorded as Thallium[15].
- thallium's Unicode character is recorded as 鉈[16].
- thallium's crystal system is recorded as hexagonal crystal system[17].
- thallium's time of discovery or invention is recorded as 1861[18].
- thallium's point group is recorded as dihexagonal-dipyramidal[19].
- thallium's space group is recorded as space group P6₃/mmc[20].
- thallium's IPA transcription is recorded as ˈθæliəm[21].
- thallium's topic's main category is recorded as Category:Thallium[22].
- thallium's Commons gallery is recorded as Thallium[23].
- thallium's atomic number is recorded as {'amount': '+81'}[24].
- thallium's Mohs' hardness is recorded as {'amount': '+1.2'}[25].
- thallium's electronegativity is recorded as {'amount': '+1.62'}[26].
- thallium's oxidation state is recorded as {'amount': '-5'}[27].
Body
Definition and Type
Recorded instance of include chemical element[5] and chalcophile element[6]. thallium is a type of p-block[11].
Origins
thallus is named after thallium[7].
Use and Application
Part of include period 6[12], a period[28]; group 13[13], a group[29]; and post-transition metal[14].
Why It Matters
thallium draws 1,021 Wikipedia views per month (chemical_element category, ranking #59 of 144).[2] thallium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] thallium is known by 45 alternative names across languages and contexts.[31]