تاللىي

تاللىي (Tl)

chemical element with symbol Tl and atomic number 81
Atomic Number81
Atomic Weight204.38
mass number205
Group13
Period6
Blockp
پروتون81 p+
neutron124 n0
ئېلېكترون81 e-
Animated بورمودىلى of Tl (تاللىي)

Physical Property

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: تاللىي0102030405060708090100110120130140150160170180190200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

ئېنېرگىيە
proton affinity
electron affinity
ionization energy
ionization energy of Tl (تاللىي)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
ئېلېكترون
ئېلېكترون قەۋەت2, 8, 18, 32, 18, 3
بورمودىلى: Tl (تاللىي)
valence electron3
Lewis structure: Tl (تاللىي)
electron configuration[Xe] 4f14 5d10 6s2 6p1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d10 6s2 6p1
Enhanced بورمودىلى of Tl (تاللىي)
Orbital Diagram of Tl (تاللىي)
oxidation number-5, -2, -1, 1, 2, 3
electronegativity
1.8
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
color
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
superconductivity
magnetism
typediamagnetic
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
structure
Crystal StructureSimple Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
0.45
speed of sound
classification
CategoryPost-transition metals, Poor metals
CAS GroupIIIB
IUPAC GroupIIIA
Glawe Number81
Mendeleev Number85
Pettifor Number78
Geochemical Class
Goldschmidt classificationchalcophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
3.4
Neutron Mass Absorption
0.00059
quantum number2P1/2
space group194 (P63/mmc)

Isotopes of Thallium

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

176Tl

mass number176
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6.2 ± 2.3 ms
spin3
nuclear quadrupole moment
time of discovery or invention2004
parity-

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

177Tl

mass number177
neutron number96
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
18 ± 5 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1999
parity+

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

178Tl

mass number178
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
255 ± 9 ms
spin4
nuclear quadrupole moment
time of discovery or invention1997
parity-

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

179Tl

mass number179
neutron number98
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
437 ± 9 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1983
parity+

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

180Tl

mass number180
neutron number99
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.09 ± 0.01 s
spin4
nuclear quadrupole moment
time of discovery or invention1987
parity-

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

181Tl

mass number181
neutron number100
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2.9 ± 0.1 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1996
parity+

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

182Tl

mass number182
neutron number101
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.9 ± 0.1 s
spin4
nuclear quadrupole moment
time of discovery or invention1991
parity-

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

183Tl

mass number183
neutron number102
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6.9 ± 0.7 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1980
parity+

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

184Tl

mass number184
neutron number103
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9.5 ± 0.2 s
spin2
nuclear quadrupole moment
time of discovery or invention1976
parity-

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

185Tl

mass number185
neutron number104
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
19.5 ± 0.5 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1976
parity+

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

186Tl

mass number186
neutron number105
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3.5 ± 0.5 s
spin2
nuclear quadrupole moment
time of discovery or invention1975
parity-

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

187Tl

mass number187
neutron number106
Relative Atomic Mass
g-factor
3.08 ± 0.12
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1976
parity+

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

188Tl

mass number188
neutron number107
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
71 ± 2 s
spin2
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

189Tl

mass number189
neutron number108
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2.3 ± 0.2 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1972
parity+

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

190Tl

mass number190
neutron number109
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2.6 ± 0.3 m
spin2
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

191Tl

mass number191
neutron number110
Relative Atomic Mass
g-factor
3.164 ± 0.008
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1974
parity+

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

192Tl

mass number192
neutron number111
Relative Atomic Mass
g-factor
0.0995 ± 0.0015
natural abundance
radioactivity☢️ radioactive element
half-life
9.6 ± 0.4 m
spin2
nuclear quadrupole moment
time of discovery or invention1961
parity-

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

193Tl

mass number193
neutron number112
Relative Atomic Mass
g-factor
3.17 ± 0.006
natural abundance
radioactivity☢️ radioactive element
half-life
21.6 ± 0.8 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1960
parity+

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

194Tl

mass number194
neutron number113
Relative Atomic Mass
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
time of discovery or invention1960
parity-

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

195Tl

mass number195
neutron number114
Relative Atomic Mass
g-factor
3.14 ± 0.08
natural abundance
radioactivity☢️ radioactive element
half-life
1.16 ± 0.05 h
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1955
parity+

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

196Tl

mass number196
neutron number115
Relative Atomic Mass
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
time of discovery or invention1955
parity-

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

197Tl

mass number197
neutron number116
Relative Atomic Mass
g-factor
3.14 ± 0.04
natural abundance
radioactivity☢️ radioactive element
half-life
2.84 ± 0.04 h
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1955
parity+

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

198Tl

mass number198
neutron number117
Relative Atomic Mass
g-factor
0 ± 0.005
natural abundance
radioactivity☢️ radioactive element
half-life
5.3 ± 0.5 h
spin2
nuclear quadrupole moment
time of discovery or invention1949
parity-

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

199Tl

mass number199
neutron number118
Relative Atomic Mass
g-factor
3.18 ± 0.04
natural abundance
radioactivity☢️ radioactive element
half-life
7.42 ± 0.08 h
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1949
parity+

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

200Tl

mass number200
neutron number119
Relative Atomic Mass
g-factor
0.02 ± 0.005
natural abundance
radioactivity☢️ radioactive element
half-life
26.1 ± 0.1 h
spin2
nuclear quadrupole moment
time of discovery or invention1949
parity-

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

201Tl

mass number201
neutron number120
Relative Atomic Mass
g-factor
3.198 ± 0.006
natural abundance
radioactivity☢️ radioactive element
half-life
3.0421 ± 0.0008 d
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1950
parity+

decay modeintensity
ϵ (electron capture)100%

202Tl

mass number202
neutron number121
Relative Atomic Mass
g-factor
0.03 ± 0.005
natural abundance
radioactivity☢️ radioactive element
half-life
12.31 ± 0.08 d
spin2
nuclear quadrupole moment
time of discovery or invention1940
parity-

decay modeintensity
ϵ (electron capture)100%

203Tl

mass number203
neutron number122
Relative Atomic Mass
g-factor
natural abundance
29.515 ± 0.044
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1931
parity+

204Tl

mass number204
neutron number123
Relative Atomic Mass
g-factor
0.045 ± 0.005
natural abundance
radioactivity☢️ radioactive element
half-life
3.783 ± 0.012 y
spin2
nuclear quadrupole moment
time of discovery or invention1953
parity-

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

205Tl

mass number205
neutron number124
Relative Atomic Mass
g-factor
natural abundance
70.485 ± 0.044
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1931
parity+

206Tl

mass number206
neutron number125
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
4.202 ± 0.011 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1935
parity-

decay modeintensity
β (β decay)100%

207Tl

mass number207
neutron number126
Relative Atomic Mass
g-factor
3.738 ± 0.01
natural abundance
radioactivity☢️ radioactive element
half-life
4.77 ± 0.02 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1908
parity+

decay modeintensity
β (β decay)100%

208Tl

mass number208
neutron number127
Relative Atomic Mass
g-factor
0.0582 ± 0.0026
natural abundance
radioactivity☢️ radioactive element
half-life
3.053 ± 0.004 m
spin5
nuclear quadrupole moment
time of discovery or invention1909
parity+

decay modeintensity
β (β decay)100%

209Tl

mass number209
neutron number128
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2.162 ± 0.007 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1950
parity+

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

210Tl

mass number210
neutron number129
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1.3 ± 0.03 m
spin5
nuclear quadrupole moment
time of discovery or invention1909
parity+

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

211Tl

mass number211
neutron number130
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
81 ± 16 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1998
parity+

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

212Tl

mass number212
neutron number131
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
31 ± 8 s
spin5
nuclear quadrupole moment
time of discovery or invention1998
parity+

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

213Tl

mass number213
neutron number132
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
23.8 ± 4.4 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2010
parity+

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

214Tl

mass number214
neutron number133
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
11 ± 2.4 s
spin5
nuclear quadrupole moment
time of discovery or invention2010
parity+

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

215Tl

mass number215
neutron number134
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9.7 ± 3.8 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2010
parity+

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

216Tl

mass number216
neutron number135
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5.9 ± 3.3 s
spin5
nuclear quadrupole moment
time of discovery or invention2010
parity+

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

217Tl

mass number217
neutron number136
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2010
parity+

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

218Tl

mass number218
neutron number137
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin6
nuclear quadrupole moment
time of discovery or invention
parity+

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

تارىخ

discoverer or inventorSir William Crookes
location of discoveryEngland
time of discovery or invention1861
etymologyGreek: thallos (green twig), for a bright green line in its spectrum.
pronunciationTHAL-i-em (ئىنگلىزچە)

source

Abundance
Abundance in Earth's crust
natural abundance (ئوكيانىيە)
natural abundance (human body)
natural abundance (meteoroid)
0.0000078 %
natural abundance (قۇياش)
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