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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 Formula
2.00 / 2.50 5.99 AgHg2TlAs2S6
2.00 / 2.00 9.57 Tl2O3
2.00 / 2.00 4.50 TlAs5S8
3.00 TlPb4(Sb7As2)S18
2.00 / 2.00 7.36 Cu4Tl2Se4
1.00 / 1.00 8.10 Tl2S
3.00 / 3.50 5.10 Tl4Pb2(Sb,As)20S34
2.00 / 2.50 6.60 (Cu,Fe,Ag)6.3(Tl,K)2SbS4
1.00 / 2.00 6.20 TlHgAsS3
2.97 K6Cu6Tl3+Cl17(OH)4·H2O
3.00 / 3.50 6.00 Ag2Au3TlSb10S10
2.50 / 3.00 6.90 Cu7TlSe4
4.00 / 4.00 8.42 Cu2(Sb,Tl)
3.00 / 3.50 Tl4Pb2(As,Sb)20S34
3.00 / 4.00 3.85 TlFe3+3(SO4)2(OH)6
AgTl3Pb4As11Sb9S36
2.50 / 3.00 5.00 TlPbAs3S6
2.00 / 2.00 7.10 Tl3AsS3
Tl6Pb32As70S140
2.00 / 3.00 5.00 Tl2SnAs2S6
Tl4(VO)3(SO4)5·5H2O
2.00 / 2.50 6.19 Tl3AsS4
CuFe2TlAs2S6
3.50 / 4.00 6.29 [Ag6As2S7][Ag10HgAs2S8]
1.50 / 2.00 5.38 Tl2AgCu2As3S7
3.00 / 3.00 5.40 (Hg5Cu)CsAs4S12
2.00 / 2.50 4.02 Tl2As7.5Sb0.3S13
5.00 AgPbTlAs2S5
Tl2Pb48As82S172
TlPb2Cl5
Tl7Pb22As55S108
11.18 Au3TlTe2
1.50 / 2.00 4.60 TlPbAs5S9
2.00 / 2.00 4.39 Tl5.8As15.4S26
2.00 / 2.00 5.08 Tl5Sb9(As,Sb)4S22
2.00 / 2.50 5.24 TlPbAs2SbS6
2.00 / 2.00 4.74 Tl2VO(SO4)2·H2O
3.00 / 4.00 7.21 TlCl
3.00 / 3.50 2.22 TlAl(SO4)2·12H2O
2.00 / 2.50 5.53 TlAsS2
5.91 TlBi(SO4)2
TlI
2.50 / 3.00 5.04 TlSb5S8
2.50 / 2.50 3.85 CsFe2S3
4.00 / 5.00 2.14 K9NaCa(Si24Al12)O72·15H2O
3.00 / 3.50 TlAs3S5
2.00 / 2.00 5.20 TlFe2S3
3.50 / 3.50 4.97 TlSb3As2S8
Tl5-xPb2x(Sb,As)21-xS34 (x~1.2-1.5)
2.50 / 3.00 Tl5Ag4As6SbS15
6.40 TlFeS2
AgZn2TlAs2S6
3.00 / 3.00 5.41 Ag2Pb12-xTlx/2As18+x/2S40
2.50 / 2.50 6.00 (Ag,Tl)2Pb8Sb8S21
4.81 Tl5Sb5As8S22
3.00 / 3.50 7.78 (Tl,Pb,K)2Cu8.7Sb2S4
3.50 / 3.50 5.83 CuTlHg2As2S6
2.50 / 2.50 6.00 Cu6TlSe4
3.00 / 3.00 5.10 PbAs2S4
3.00 / 3.00 TlAg2(As,Sb)3S6
TlHgAs3S6
Tl2Cu2As2S5
3.50 / 4.00 4.97 TlCu(Zn,Fe,Hg)2As2S6
5.74 Tl3BiCl6
2.50 / 3.00 6.15 (Cu,Fe)4Tl2S4
1.00 / 1.50 5.26 Tl6(Fe,Ni)25S26Cl
TlFe4[(AsO4)3(OH)4]·4H2O
3.00 / 3.50 5.00 TlHgSb4S7
3.50 / 3.50 5.30 Hg3Tl4As8Sb2S20
6.15 Pb20Sn2(Bi,As)22S54Cl6
5.00 CuPbTlAs2S5
1.50 / 1.50 5.79 TlSbS2
2.50 / 2.50 2.75 Cu3FeS3·2H2O