Tellurium

Tellurium (Te)

chemical element with symbol Te and atomic number 52
Atomic Number52
Atomic Weight127.6
mass number130
Group16
Period5
Blockp
proton52 p+
neutron78 n0
electron52 e-
Animated Bohr model of Te (Tellurium)

Physical Property

Atomic Radius
140 pm
molar volume
Covalent Radius
136 pm
Metallic Radius
137 pm
ionic radius
221 pm
Crystal Radius
207 pm
Van der Waals radius
206 pm
density
6.232 g/cm³
Atomic Radii Of The Elements: Tellurium0102030405060708090100110120130140150160170180190200210pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energia
proton affinity
electron affinity
1.970876 eV/particle
ionization energy
9.00966 eV/particle
ionization energy of Te (Tellurium)
enthalpy of vaporization
49.8 kJ/mol
enthalpy of fusion
17.91 kJ/mol
standard enthalpy of formation
196.6 kJ/mol
electron
Tegimen electronicum2, 8, 18, 18, 6
Bohr model: Te (Tellurium)
valence electron6
Lewis structure: Te (Tellurium)
electron configuration[Kr] 4d10 5s2 5p4
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 5s2 5p4
Enhanced Bohr model of Te (Tellurium)
Orbital Diagram of Te (Tellurium)
oxidation number-2, -1, 0, 1, 2, 3, 4, 5, 6
electronegativity
2.1
Electrophilicity Index
2.141210947219293 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
1261.15 K
Melting Point
722.66 K
critical pressure
critical temperature
2329.15 K
Punctum triplex
appearance
Color
Silver
appearance
refractive index
1.000991
thermodynamic material property
Thermal Conductivity
14.3 W/(m K)
thermal expansion
molar heat capacity
25.73 J/(mol K)
Specific Heat Capacity
0.202 J/(g⋅K)
heat capacity ratio
electrical properties
typeSemiconductor
electrical conductivity
0.01 MS/m
electrical resistivity
0.0001 m Ω
Superconductrum
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000039 m³/Kg
magnetic susceptibility (Molar)
-0.000000000498 m³/mol
magnetic susceptibility (Volume)
-0.0000243
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureSimple Trigonal (HEX)
lattice constant
4.45 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
2.25 MPa
bulk modulus
65 GPa
shear modulus
16 GPa
Young's modulus
43 GPa
Poisson's ratio
celeritas soni
2610 m/s
classificare
CategoryMetalloids, Metalloids
CAS GroupVIB
IUPAC GroupVIA
Glawe Number94
Mendeleev Number102
Pettifor Number92
Geochemical Classsemi-volatile
Goldschmidt classificationchalcophile

other

Gas Basicity
polarizability
38 ± 4 a₀
C6 Dispersion Coefficient
445 a₀
allotrope
Neutron cross section
5.4
Neutron Mass Absorption
0.0013
quantum number3P2
space group152 (P3121)

Isotopes of Tellurium

Stable Isotopes4
Unstable Isotopes38
Natural Isotopes8
Isotopic Composition13037.87%13037.87%12835.27%12835.27%1269.82%1269.82%1257.86%1257.86%1245.27%1245.27%1222.83%1222.83%1200.10%1200.10%1230.99%1230.99%

104Te

mass number104
neutron number52
relative atomic mass
103.946723408 ± 0.000340967 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
Volubilitas0
nuclear quadrupole moment
0
repertus2018
parity+

decay modeintensity
α (α emission)100%

105Te

mass number105
neutron number53
relative atomic mass
104.943304516 ± 0.000322084 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
633 ± 66 ns
Volubilitas7/2
nuclear quadrupole moment
repertus2006
parity+

decay modeintensity
α (α emission)100%

106Te

mass number106
neutron number54
relative atomic mass
105.937498521 ± 0.000107934 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
78 ± 11 us
Volubilitas0
nuclear quadrupole moment
0
repertus1981
parity+

decay modeintensity
α (α emission)100%

107Te

mass number107
neutron number55
relative atomic mass
106.934882 ± 0.000108 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
3.22 ± 0.09 ms
Volubilitas5/2
nuclear quadrupole moment
repertus1979
parity+

decay modeintensity
α (α emission)70%
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

108Te

mass number108
neutron number56
relative atomic mass
107.929380469 ± 0.000005808 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
2.1 ± 0.1 s
Volubilitas0
nuclear quadrupole moment
0
repertus1974
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)51%
α (α emission)49%
β+ p (β+-delayed proton emission)2.4%
β+α (β+-delayed α emission)0.065%

109Te

mass number109
neutron number57
relative atomic mass
108.927304532 ± 0.000004704 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
4.4 ± 0.2 s
Volubilitas5/2
nuclear quadrupole moment
repertus1967
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)96.1%
α (α emission)3.9%
β+ p (β+-delayed proton emission)9.4%
β+α (β+-delayed α emission)0.0049%

110Te

mass number110
neutron number58
relative atomic mass
109.922458102 ± 0.000007058 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
18.6 ± 0.8 s
Volubilitas0
nuclear quadrupole moment
0
repertus1977
parity+

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

111Te

mass number111
neutron number59
relative atomic mass
110.921000587 ± 0.0000069 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
26.2 ± 0.6 s
Volubilitas5/2
nuclear quadrupole moment
repertus1967
parity

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

112Te

mass number112
neutron number60
relative atomic mass
111.916727848 ± 0.000009 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
2 ± 0.2 m
Volubilitas0
nuclear quadrupole moment
0
repertus1976
parity+

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

113Te

mass number113
neutron number61
relative atomic mass
112.915891 ± 0.00003 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
1.7 ± 0.2 m
Volubilitas7/2
nuclear quadrupole moment
repertus1974
parity+

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

114Te

mass number114
neutron number62
relative atomic mass
113.91208782 ± 0.000026224 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
15.2 ± 0.7 m
Volubilitas0
nuclear quadrupole moment
0
repertus1968
parity+

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

115Te

mass number115
neutron number63
relative atomic mass
114.911902 ± 0.00003 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
5.8 ± 0.2 m
Volubilitas7/2
nuclear quadrupole moment
repertus1961
parity+

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

116Te

mass number116
neutron number64
relative atomic mass
115.908465558 ± 0.000025986 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
2.49 ± 0.04 h
Volubilitas0
nuclear quadrupole moment
0
repertus1958
parity+

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

117Te

mass number117
neutron number65
relative atomic mass
116.908646227 ± 0.000014444 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
62 ± 2 m
Volubilitas1/2
nuclear quadrupole moment
0
repertus1958
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)75%
e+ (positron emission)25%

118Te

mass number118
neutron number66
relative atomic mass
117.905860104 ± 0.000019652 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
6 ± 0.02 d
Volubilitas0
nuclear quadrupole moment
0
repertus1948
parity+

decay modeintensity
ϵ (electron capture)100%

119Te

mass number119
neutron number67
relative atomic mass
118.906405699 ± 0.000007813 Da
g-factor
0.5 ± 0.1
natural abundance
radioactivitas☢️ radioactive element
half-life
16.05 ± 0.05 h
Volubilitas1/2
nuclear quadrupole moment
0
repertus1948
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)97.94%
e+ (positron emission)2.06%

120Te

mass number120
neutron number68
relative atomic mass
119.904065779 ± 0.00000188 Da
g-factor
0
natural abundance
0.09 ± 0.01
radioactivitas☢️ radioactive element
half-life
Volubilitas0
nuclear quadrupole moment
0
repertus1936
parity+

decay modeintensity
+ (double β+ decay)

121Te

mass number121
neutron number69
relative atomic mass
120.904945065 ± 0.000027734 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
19.31 ± 0.07 d
Volubilitas1/2
nuclear quadrupole moment
0
repertus1939
parity+

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

122Te

mass number122
neutron number70
relative atomic mass
121.903044708 ± 0.000001456 Da
g-factor
0
natural abundance
2.55 ± 0.12
radioactivitasstable isotope
half-lifeNot Radioactive ☢️
Volubilitas0
nuclear quadrupole moment
0
repertus1932
parity+

123Te

mass number123
neutron number71
relative atomic mass
122.904271022 ± 0.000001454 Da
g-factor
natural abundance
0.89 ± 0.03
radioactivitas☢️ radioactive element
half-life
Volubilitas1/2
nuclear quadrupole moment
0
repertus1932
parity+

decay modeintensity
ϵ (electron capture)100%

124Te

mass number124
neutron number72
relative atomic mass
123.902818341 ± 0.000001451 Da
g-factor
0
natural abundance
4.74 ± 0.14
radioactivitasstable isotope
half-lifeNot Radioactive ☢️
Volubilitas0
nuclear quadrupole moment
0
repertus1932
parity+

125Te

mass number125
neutron number73
relative atomic mass
124.904431178 ± 0.000001451 Da
g-factor
natural abundance
7.07 ± 0.15
radioactivitasstable isotope
half-lifeNot Radioactive ☢️
Volubilitas1/2
nuclear quadrupole moment
0
repertus1931
parity+

126Te

mass number126
neutron number74
relative atomic mass
125.903312144 ± 0.000001453 Da
g-factor
0
natural abundance
8.84 ± 0.25
radioactivitasstable isotope
half-lifeNot Radioactive ☢️
Volubilitas0
nuclear quadrupole moment
0
repertus1924
parity+

127Te

mass number127
neutron number75
relative atomic mass
126.905226993 ± 0.000001465 Da
g-factor
0.42333333333333 ± 0.0026666666666667
natural abundance
radioactivitas☢️ radioactive element
half-life
9.35 ± 0.07 h
Volubilitas3/2
nuclear quadrupole moment
repertus1938
parity+

decay modeintensity
β (β decay)100%

128Te

mass number128
neutron number76
relative atomic mass
127.904461237 ± 0.000000758 Da
g-factor
0
natural abundance
31.74 ± 0.08
radioactivitas☢️ radioactive element
half-life
2.25 ± 0.09 Yy
Volubilitas0
nuclear quadrupole moment
0
repertus1924
parity+

decay modeintensity
(double β decay)100%

129Te

mass number129
neutron number77
relative atomic mass
128.906596419 ± 0.000000763 Da
g-factor
0.468 ± 0.0026666666666667
natural abundance
radioactivitas☢️ radioactive element
half-life
69.6 ± 0.3 m
Volubilitas3/2
nuclear quadrupole moment
0.055 ± 0.013
repertus1939
parity+

decay modeintensity
β (β decay)100%

130Te

mass number130
neutron number78
relative atomic mass
129.906222745 ± 0.000000011 Da
g-factor
0
natural abundance
34.08 ± 0.62
radioactivitas☢️ radioactive element
half-life
791 ± 21 Ey
Volubilitas0
nuclear quadrupole moment
0
repertus1924
parity+

decay modeintensity
(double β decay)100%

131Te

mass number131
neutron number79
relative atomic mass
130.90852221 ± 0.000000065 Da
g-factor
0.464 ± 0.006
natural abundance
radioactivitas☢️ radioactive element
half-life
25 ± 0.1 m
Volubilitas3/2
nuclear quadrupole moment
repertus1939
parity+

decay modeintensity
β (β decay)100%

132Te

mass number132
neutron number80
relative atomic mass
131.908546713 ± 0.000003742 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
3.204 ± 0.013 d
Volubilitas0
nuclear quadrupole moment
0
repertus1948
parity+

decay modeintensity
β (β decay)100%

133Te

mass number133
neutron number81
relative atomic mass
132.91096333 ± 0.000002218 Da
g-factor
0.56666666666667 ± 0.013333333333333
natural abundance
radioactivitas☢️ radioactive element
half-life
12.5 ± 0.3 m
Volubilitas3/2
nuclear quadrupole moment
0.23 ± 0.09
repertus1940
parity+

decay modeintensity
β (β decay)100%

134Te

mass number134
neutron number82
relative atomic mass
133.911396376 ± 0.000002948 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
41.8 ± 0.8 m
Volubilitas0
nuclear quadrupole moment
0
repertus1948
parity+

decay modeintensity
β (β decay)100%

135Te

mass number135
neutron number83
relative atomic mass
134.916554715 ± 0.000001848 Da
g-factor
-0.19714285714286 ± 0.014285714285714
natural abundance
radioactivitas☢️ radioactive element
half-life
19 ± 0.2 s
Volubilitas7/2
nuclear quadrupole moment
0.29 ± 0.09
repertus1969
parity-

decay modeintensity
β (β decay)100%

136Te

mass number136
neutron number84
relative atomic mass
135.92010118 ± 0.000002448 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
17.63 ± 0.09 s
Volubilitas0
nuclear quadrupole moment
0
repertus1974
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.37%

137Te

mass number137
neutron number85
relative atomic mass
136.925599354 ± 0.000002254 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
2.49 ± 0.05 s
Volubilitas3/2
nuclear quadrupole moment
repertus1975
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.94%

138Te

mass number138
neutron number86
relative atomic mass
137.929472452 ± 0.000004065 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
1.46 ± 0.25 s
Volubilitas0
nuclear quadrupole moment
0
repertus1975
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)4.8%

139Te

mass number139
neutron number87
relative atomic mass
138.935367191 ± 0.0000038 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
724 ± 81 ms
Volubilitas5/2
nuclear quadrupole moment
repertus1994
parity-

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

140Te

mass number140
neutron number88
relative atomic mass
139.939487057 ± 0.000015434 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
351 ± 5 ms
Volubilitas0
nuclear quadrupole moment
0
repertus1994
parity+

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

141Te

mass number141
neutron number89
relative atomic mass
140.945604 ± 0.000429 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
193 ± 16 ms
Volubilitas5/2
nuclear quadrupole moment
repertus1994
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

142Te

mass number142
neutron number90
relative atomic mass
141.950027 ± 0.000537 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
147 ± 8 ms
Volubilitas0
nuclear quadrupole moment
0
repertus1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

143Te

mass number143
neutron number91
relative atomic mass
142.956489 ± 0.000537 Da
g-factor
natural abundance
radioactivitas☢️ radioactive element
half-life
120 ± 8 ms
Volubilitas7/2
nuclear quadrupole moment
repertus2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

144Te

mass number144
neutron number92
relative atomic mass
143.961116 ± 0.000322 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
93 ± 60 ms
Volubilitas0
nuclear quadrupole moment
0
repertus2015
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

145Te

mass number145
neutron number93
relative atomic mass
144.967783 ± 0.000322 Da
g-factor
0
natural abundance
radioactivitas☢️ radioactive element
half-life
Volubilitas0
nuclear quadrupole moment
0
repertus2018
parity+

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Tellurium element 2

historia

inventorFranz Müller von Reichenstein
location of discoveryRomania
repertus1782
EtymologiaLatin: tellus (earth).
pronunciationte-LOOR-i-em (English)

source

Abundance
Abundance in Earth's crust
0.001 mg/kg
natural abundance (Oceanus)
natural abundance (Corpus humanum)
natural abundance (Meteoroides)
0.00021 %
natural abundance (Sol)
Abundance in Universe
0.0000009 %

Nuclear Screening Constants

1s1.0432
2p4.14
2s13.6688
3d14.1607
3p17.9911
3s18.0019
4d32.04
4p28.878
4s27.5916
5p41.1915
5s39.462