Таллий

Таллий (Tl)

chemical element with symbol Tl and atomic number 81
Atomic Number81
Atomic Weight204.38
Адади массавӣ205
Group13
Period6
Blockp
proton81 p+
neutron124 n0
electron81 e-
Animated Bohr model of Tl (Таллий)

Хусусияти Физикӣ

Atomic Radius
190 pm
molar volume
covalent radius
144 pm
Metallic Radius
144 pm
ionic radius
150 pm
Crystal Radius
164 pm
Van der Waals radius
196 pm
зичӣ
11,8 g/cm³
Atomic Radii Of The Elements: Таллий0102030405060708090100110120130140150160170180190200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
6,108287 eV/particle
ionization energy of Tl (Таллий)
enthalpy of vaporization
162,4 kJ/mol
гармои гудозиш
4,31 kJ/mol
standard enthalpy of formation
182,2 kJ/mol
electron
Абри электронӣ2, 8, 18, 32, 18, 3
Bohr model: Tl (Таллий)
valence electron3
Lewis structure: Tl (Таллий)
electron configuration[Xe] 4f14 5d10 6s2 6p1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d10 6s2 6p1
Enhanced Bohr model of Tl (Таллий)
Orbital Diagram of Tl (Таллий)
oxidation number-5, -2, -1, 1, 2, 3
electronegativity
1.8
Electrophilicity Index
0,9173102715055317 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
1 746,15 K
Melting Point
577,15 K
critical pressure
critical temperature
triple point
appearance
Ранг
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
46,1 W/(m K)
thermal expansion
0,0000299 1/K
molar heat capacity
26,32 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
навъConductor
electrical conductivity
6,7 MS/m
electrical resistivity
0,00000015 m Ω
superconductivity
2,38 K
magnetism
навъdiamagnetic
magnetic susceptibility (Mass)
-0,000000003 m³/Kg
magnetic susceptibility (Molar)
-0,000000000613 m³/mol
magnetic susceptibility (Volume)
-0,0000356
magnetic ordering
Curie temperature
Néel temperature
сохт
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,46 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
1,2 MPa
bulk modulus
43 GPa
shear modulus
2,8 GPa
Young's modulus
8 GPa
Poisson's ratio
0,45
speed of sound
818 m/s
classification
CategoryPost-transition metals, Poor metals
CAS GroupIIIB
IUPAC GroupIIIA
Glawe Number81
Mendeleev Number85
Pettifor Number78
Geochemical Class
Goldschmidt classificationchalcophile

other

Gas Basicity
polarizability
50 ± 2 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
3,4
Neutron Mass Absorption
0,00059
ададҳои квантӣ2P1/2
space group194 (P63/mmc)

Isotopes of Thallium

Stable Isotopes2
Unstable Isotopes41
Natural Isotopes2
Isotopic Composition20570.49%20570.49%20329.52%20329.52%

176Tl

Адади массавӣ176
neutron number95
relative atomic mass
176,000627731 ± 0,000089166 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6,2 ± 2,3 ms
spin3
nuclear quadrupole moment
таърихи кашф2004
parity-

decay modeintensity
p (proton emission)100%
α (α emission)
β+ (β+ decay; β+ = ϵ + e+)

177Tl

Адади массавӣ177
neutron number96
relative atomic mass
176,996414252 ± 0,000023218 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
18 ± 5 ms
spin1/2
nuclear quadrupole moment
0
таърихи кашф1999
parity+

decay modeintensity
α (α emission)73%
p (proton emission)

178Tl

Адади массавӣ178
neutron number97
relative atomic mass
177,995047 ± 0,00011 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
255 ± 9 ms
spin4
nuclear quadrupole moment
таърихи кашф1997
parity-

decay modeintensity
α (α emission)62%
β+ (β+ decay; β+ = ϵ + e+)38%
β+ SF (β+-delayed fission)0.15%

179Tl

Адади массавӣ179
neutron number98
relative atomic mass
178,991122185 ± 0,000041495 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
437 ± 9 ms
spin1/2
nuclear quadrupole moment
0
таърихи кашф1983
parity+

decay modeintensity
α (α emission)60%
β+ (β+ decay; β+ = ϵ + e+)

180Tl

Адади массавӣ180
neutron number99
relative atomic mass
179,98991895 ± 0,000075058 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,09 ± 0,01 s
spin4
nuclear quadrupole moment
таърихи кашф1987
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)93%
α (α emission)7%
β+ SF (β+-delayed fission)0.0032%

181Tl

Адади массавӣ181
neutron number100
relative atomic mass
180,986259978 ± 0,000009771 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,9 ± 0,1 s
spin1/2
nuclear quadrupole moment
0
таърихи кашф1996
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)8.6%

182Tl

Адади массавӣ182
neutron number101
relative atomic mass
181,985692649 ± 0,000012856 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,9 ± 0,1 s
spin4
nuclear quadrupole moment
таърихи кашф1991
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.49%
β+ SF (β+-delayed fission)3.4%

183Tl

Адади массавӣ183
neutron number102
relative atomic mass
182,982192843 ± 0,000010017 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6,9 ± 0,7 s
spin1/2
nuclear quadrupole moment
0
таърихи кашф1980
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

184Tl

Адади массавӣ184
neutron number103
relative atomic mass
183,981874973 ± 0,000010747 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,5 ± 0,2 s
spin2
nuclear quadrupole moment
таърихи кашф1976
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)98.78%
α (α emission)1.22%

185Tl

Адади массавӣ185
neutron number104
relative atomic mass
184,978789189 ± 0,000022194 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
19,5 ± 0,5 s
spin1/2
nuclear quadrupole moment
0
таърихи кашф1976
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)

186Tl

Адади массавӣ186
neutron number105
relative atomic mass
185,978654787 ± 0,000022276 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,5 ± 0,5 s
spin2
nuclear quadrupole moment
таърихи кашф1975
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)

187Tl

Адади массавӣ187
neutron number106
relative atomic mass
186,97590474 ± 0,00000864 Da
g-factor
3,08 ± 0,12
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
таърихи кашф1976
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)

188Tl

Адади массавӣ188
neutron number107
relative atomic mass
187,976020886 ± 0,000032103 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
71 ± 2 s
spin2
nuclear quadrupole moment
таърихи кашф1970
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

189Tl

Адади массавӣ189
neutron number108
relative atomic mass
188,973573525 ± 0,000008983 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,3 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
таърихи кашф1972
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

190Tl

Адади массавӣ190
neutron number109
relative atomic mass
189,973841771 ± 0,000007784 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,6 ± 0,3 m
spin2
nuclear quadrupole moment
таърихи кашф1970
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

191Tl

Адади массавӣ191
neutron number110
relative atomic mass
190,971784093 ± 0,000007889 Da
g-factor
3,164 ± 0,008
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
таърихи кашф1974
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)

192Tl

Адади массавӣ192
neutron number111
relative atomic mass
191,972225 ± 0,000034 Da
g-factor
0,0995 ± 0,0015
natural abundance
radioactivity☢️ radioactive element
half-life
9,6 ± 0,4 m
spin2
nuclear quadrupole moment
таърихи кашф1961
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

193Tl

Адади массавӣ193
neutron number112
relative atomic mass
192,970501994 ± 0,0000072 Da
g-factor
3,17 ± 0,006
natural abundance
radioactivity☢️ radioactive element
half-life
21,6 ± 0,8 m
spin1/2
nuclear quadrupole moment
0
таърихи кашф1960
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

194Tl

Адади массавӣ194
neutron number113
relative atomic mass
193,971081408 ± 0,000015 Da
g-factor
0,0695 ± 0,0015
natural abundance
radioactivity☢️ radioactive element
half-life
33 ± 0,5 m
spin2
nuclear quadrupole moment
-0,282 ± 0,007
таърихи кашф1960
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)

195Tl

Адади массавӣ195
neutron number114
relative atomic mass
194,969774052 ± 0,000011944 Da
g-factor
3,14 ± 0,08
natural abundance
radioactivity☢️ radioactive element
half-life
1,16 ± 0,05 h
spin1/2
nuclear quadrupole moment
0
таърихи кашф1955
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

196Tl

Адади массавӣ196
neutron number115
relative atomic mass
195,970481189 ± 0,000013 Da
g-factor
0,036 ± 0,0015
natural abundance
radioactivity☢️ radioactive element
half-life
1,84 ± 0,03 h
spin2
nuclear quadrupole moment
-0,178 ± 0,014
таърихи кашф1955
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

197Tl

Адади массавӣ197
neutron number116
relative atomic mass
196,969560492 ± 0,000014573 Da
g-factor
3,14 ± 0,04
natural abundance
radioactivity☢️ radioactive element
half-life
2,84 ± 0,04 h
spin1/2
nuclear quadrupole moment
0
таърихи кашф1955
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

198Tl

Адади массавӣ198
neutron number117
relative atomic mass
197,970446669 ± 0,0000081 Da
g-factor
0 ± 0,005
natural abundance
radioactivity☢️ radioactive element
half-life
5,3 ± 0,5 h
spin2
nuclear quadrupole moment
таърихи кашф1949
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

199Tl

Адади массавӣ199
neutron number118
relative atomic mass
198,969877 ± 0,00003 Da
g-factor
3,18 ± 0,04
natural abundance
radioactivity☢️ radioactive element
half-life
7,42 ± 0,08 h
spin1/2
nuclear quadrupole moment
0
таърихи кашф1949
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

200Tl

Адади массавӣ200
neutron number119
relative atomic mass
199,970963608 ± 0,000006182 Da
g-factor
0,02 ± 0,005
natural abundance
radioactivity☢️ radioactive element
half-life
26,1 ± 0,1 h
spin2
nuclear quadrupole moment
таърихи кашф1949
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

201Tl

Адади массавӣ201
neutron number120
relative atomic mass
200,970820235 ± 0,000015228 Da
g-factor
3,198 ± 0,006
natural abundance
radioactivity☢️ radioactive element
half-life
3,0421 ± 0,0008 d
spin1/2
nuclear quadrupole moment
0
таърихи кашф1950
parity+

decay modeintensity
ϵ (electron capture)100%

202Tl

Адади массавӣ202
neutron number121
relative atomic mass
201,972108874 ± 0,000001972 Da
g-factor
0,03 ± 0,005
natural abundance
radioactivity☢️ radioactive element
half-life
12,31 ± 0,08 d
spin2
nuclear quadrupole moment
таърихи кашф1940
parity-

decay modeintensity
ϵ (electron capture)100%

203Tl

Адади массавӣ203
neutron number122
relative atomic mass
202,972344098 ± 0,000001257 Da
g-factor
natural abundance
29,515 ± 0,044
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
таърихи кашф1931
parity+

204Tl

Адади массавӣ204
neutron number123
relative atomic mass
203,97386342 ± 0,000001238 Da
g-factor
0,045 ± 0,005
natural abundance
radioactivity☢️ radioactive element
half-life
3,783 ± 0,012 y
spin2
nuclear quadrupole moment
таърихи кашф1953
parity-

decay modeintensity
β (β decay)97.08%
EC+B+2.92%

205Tl

Адади массавӣ205
neutron number124
relative atomic mass
204,974427318 ± 0,00000133 Da
g-factor
natural abundance
70,485 ± 0,044
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
таърихи кашф1931
parity+

206Tl

Адади массавӣ206
neutron number125
relative atomic mass
205,976110108 ± 0,00000138 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
4,202 ± 0,011 m
spin0
nuclear quadrupole moment
0
таърихи кашф1935
parity-

decay modeintensity
β (β decay)100%

207Tl

Адади массавӣ207
neutron number126
relative atomic mass
206,977418605 ± 0,000005839 Da
g-factor
3,738 ± 0,01
natural abundance
radioactivity☢️ radioactive element
half-life
4,77 ± 0,02 m
spin1/2
nuclear quadrupole moment
0
таърихи кашф1908
parity+

decay modeintensity
β (β decay)100%

208Tl

Адади массавӣ208
neutron number127
relative atomic mass
207,982018006 ± 0,000001989 Da
g-factor
0,0582 ± 0,0026
natural abundance
radioactivity☢️ radioactive element
half-life
3,053 ± 0,004 m
spin5
nuclear quadrupole moment
таърихи кашф1909
parity+

decay modeintensity
β (β decay)100%

209Tl

Адади массавӣ209
neutron number128
relative atomic mass
208,985351713 ± 0,000006559 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,162 ± 0,007 m
spin1/2
nuclear quadrupole moment
0
таърихи кашф1950
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

210Tl

Адади массавӣ210
neutron number129
relative atomic mass
209,990072942 ± 0,000012456 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,3 ± 0,03 m
spin5
nuclear quadrupole moment
таърихи кашф1909
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.009%

211Tl

Адади массавӣ211
neutron number130
relative atomic mass
210,993475 ± 0,000045 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
81 ± 16 s
spin1/2
nuclear quadrupole moment
0
таърихи кашф1998
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.2%

212Tl

Адади массавӣ212
neutron number131
relative atomic mass
211,998335 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
31 ± 8 s
spin5
nuclear quadrupole moment
таърихи кашф1998
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.8%

213Tl

Адади массавӣ213
neutron number132
relative atomic mass
213,001915 ± 0,000029 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
23,8 ± 4,4 s
spin1/2
nuclear quadrupole moment
0
таърихи кашф2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)7.6%

214Tl

Адади массавӣ214
neutron number133
relative atomic mass
214,00694 ± 0,00021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
11 ± 2,4 s
spin5
nuclear quadrupole moment
таърихи кашф2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)34%

215Tl

Адади массавӣ215
neutron number134
relative atomic mass
215,010768 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,7 ± 3,8 s
spin1/2
nuclear quadrupole moment
0
таърихи кашф2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)4.6%

216Tl

Адади массавӣ216
neutron number135
relative atomic mass
216,015964 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,9 ± 3,3 s
spin5
nuclear quadrupole moment
таърихи кашф2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)11.5%

217Tl

Адади массавӣ217
neutron number136
relative atomic mass
217,020032 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
таърихи кашф2010
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)

218Tl

Адади массавӣ218
neutron number137
relative atomic mass
218,025454 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin6
nuclear quadrupole moment
таърихи кашф
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Thallium pieces in ampoule
Thallium-croprotated

таърих

кошифSir William Crookes
макони кашфEngland
таърихи кашф1861
РешашиносӣGreek: thallos (green twig), for a bright green line in its spectrum.
pronunciationTHAL-i-em (Англисӣ)

source

Abundance
Abundance in Earth's crust
0,85 mg/kg
natural abundance (Уқёнус)
0,000019 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,0000078 %
natural abundance (Офтоб)
0,0000001 %
Abundance in Universe
0,00000005 %

Nuclear Screening Constants

1s1.5591
2p4.5138
2s21.3158
3d13.4658
3p22.6335
3s23.5809
4d37.6112
4f38.1324
4p35.7832
4s34.9212
5d58.975
5p53.9115
5s51.878
6p68.7462
6s68.1804