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mineralogy elements Tl Thallium

Tl - Thallium - POOR METAL

303.6°
1457°
204.389
1
3
81
Tl
[Xe] 4f14 5d10 6s2 6p1
2
8
18
32
18
3
2.04
6.1082
Synthetic
Radioactive
Liquid
Gaseous
Thallium Electronic configuration diagram
Electronic configuration diagram

Name Thallium
Number 81
Atomic 204.389
Symbol Tl
Fusion 303.6
Boiling 1457
Density 11.85
Period 6
Group 13
Discovery 1861 Crookes
Abundance 0.85
Radius 2.1
Electronegativity 2.04
Ionization 6.1082
Number of isotopes 28
Electronic configuration [Xe] 4f14 5d10 6s2 6p1
Oxidation states 1,3
Electron by energy level 2,8,18,32,18,3

Mineral Hardness Density
Arsiccioite 2.00 / 2.50 5.99
Avicennite 2.00 / 2.00 9.57
Bernardite 2.00 / 2.00 4.50
Boscardinite 3.00
Bukovite 2.00 / 2.00 7.36
Carlinite 1.00 / 1.00 8.10
Chabournéite 3.00 / 3.50 5.10
Chalcothallite 2.00 / 2.50 6.60
Christite 1.00 / 2.00 6.20
Chrysothallite 2.97
Criddleite 3.00 / 3.50 6.00
Crookesite 2.50 / 3.00 6.90
Cuprostibite 4.00 / 4.00 8.42
Dalnegroite 3.00 / 3.50
Dorallcharite 3.00 / 4.00 3.85
Ecrinsite
Edenharterite 2.50 / 3.00 5.00
Ellisite 2.00 / 2.00 7.10
Enneasartorite
Erniggliite 2.00 / 3.00 5.00
Evdokimovite
Fangite 2.00 / 2.50 6.19
Ferrostalderite
Fettelite 3.50 / 4.00 6.29
Gabrielite 1.50 / 2.00 5.38
Galkhaite 3.00 / 3.00 5.40
Gillulyite 2.00 / 2.50 4.02
Hatchite 5.00
Hendekasartorite
Hephaistosite
Heptasartorite
Honeaite 11.18
Hutchinsonite 1.50 / 2.00 4.60
Imhofite 2.00 / 2.00 4.39
Jankovicite 2.00 / 2.00 5.08
Jentschite 2.00 / 2.50 5.24
Karpovite 2.00 / 2.00 4.74
Lafossaite 3.00 / 4.00 7.21
Lanmuchangite 3.00 / 3.50 2.22
Lorándite 2.00 / 2.50 5.53
Markhininite 5.91
Nataliyamalikite
Parapierrotite 2.50 / 3.00 5.04
Pautovite 2.50 / 2.50 3.85
Perlialite 4.00 / 5.00 2.14
Philrothite 3.00 / 3.50
Picotpaulite 2.00 / 2.00 5.20
Pierrotite 3.50 / 3.50 4.97
Protochabournéite
Raberite 2.50 / 3.00
Raguinite 6.40
Ralphcannonite
Rathite 3.00 / 3.00 5.41
Rayite 2.50 / 2.50 6.00
Rebulite 4.81
Rohaite 3.00 / 3.50 7.78
Routhierite 3.50 / 3.50 5.83
Sabatierite 2.50 / 2.50 6.00
Sartorite 3.00 / 3.00 5.10
Sicherite 3.00 / 3.00
Simonite
Spaltiite
Stalderite 3.50 / 4.00 4.97
Steropesite 5.74
Thalcusite 2.50 / 3.00 6.15
Thalfenisite 1.00 / 1.50 5.26
Thalliumpharmacosiderite
Vaughanite 3.00 / 3.50 5.00
Vrbaite 3.50 / 3.50 5.30
Vurroite 6.15
Wallisite 5.00
Weissbergite 1.50 / 1.50 5.79
Wilhelmramsayite 2.50 / 2.50 2.75