Тербий

Тербий (Tb)

element with the atomic number of 65
Atomic Number65
Atomic Weight158.92535
Адади массавӣ159
Group
Period6
Blockf
proton65 p+
neutron94 n0
electron65 e-
Animated Bohr model of Tb (Тербий)

Хусусияти Физикӣ

Atomic Radius
175 pm
molar volume
covalent radius
168 pm
Metallic Radius
ionic radius
92,3 pm
Crystal Radius
106,3 pm
Van der Waals radius
233 pm
зичӣ
8,23 g/cm³
Atomic Radii Of The Elements: Тербий0102030405060708090100110120130140150160170180190200210220230240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
ionization energy of Tb (Тербий)
enthalpy of vaporization
389 kJ/mol
гармои гудозиш
standard enthalpy of formation
388,7 kJ/mol
electron
Абри электронӣ2, 8, 18, 27, 8, 2
Bohr model: Tb (Тербий)
valence electron2
Lewis structure: Tb (Тербий)
electron configuration[Xe] 4f9 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f9 6s2
Enhanced Bohr model of Tb (Тербий)
Orbital Diagram of Tb (Тербий)
oxidation number0, 1, 2, 3, 4
electronegativity
Electrophilicity Index
1,3142725121307568 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3 503,15 K
Melting Point
1 632,15 K
critical pressure
critical temperature
triple point
appearance
Ранг
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
11,1 W/(m K)
thermal expansion
0,0000103 1/K
molar heat capacity
28,91 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
навъConductor
electrical conductivity
0,83 MS/m
electrical resistivity
0,0000012 m Ω
superconductivity
magnetism
навъparamagnetic
magnetic susceptibility (Mass)
0,0000136 m³/Kg
magnetic susceptibility (Molar)
0,000002161385 m³/mol
magnetic susceptibility (Volume)
0,1117784
magnetic ordering
Curie temperature
222 K
Néel temperature
230 K
сохт
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,6 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
38,7 GPa
shear modulus
22 GPa
Young's modulus
56 GPa
Poisson's ratio
0,26
speed of sound
2 620 m/s
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number25
Mendeleev Number29
Pettifor Number26
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
170 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
23
Neutron Mass Absorption
0,009
ададҳои квантӣ6H15/2
space group194 (P63/mmc)

Isotopes of Terbium

Stable Isotopes1
Unstable Isotopes39
Natural Isotopes1

135Tb

Адади массавӣ135
neutron number70
relative atomic mass
134,964516 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,01 ± 0,28 ms
spin7/2
nuclear quadrupole moment
таърихи кашф2004
parity-

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

136Tb

Адади массавӣ136
neutron number71
relative atomic mass
135,96146 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5
nuclear quadrupole moment
таърихи кашф
parity-

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

137Tb

Адади массавӣ137
neutron number72
relative atomic mass
136,95602 ± 0,00043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф
parity+

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

138Tb

Адади массавӣ138
neutron number73
relative atomic mass
137,953193 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
таърихи кашф1993
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)
p (proton emission)0%

139Tb

Адади массавӣ139
neutron number74
relative atomic mass
138,94833 ± 0,00032 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,6 ± 0,2 s
spin5/2
nuclear quadrupole moment
таърихи кашф1999
parity-

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

140Tb

Адади массавӣ140
neutron number75
relative atomic mass
139,945805048 ± 0,000859359 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,29 ± 0,15 s
spin7
nuclear quadrupole moment
таърихи кашф1986
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)3%
β+ p (β+-delayed proton emission)0.26%

141Tb

Адади массавӣ141
neutron number76
relative atomic mass
140,941448 ± 0,000113 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,5 ± 0,2 s
spin5/2
nuclear quadrupole moment
таърихи кашф1986
parity-

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

142Tb

Адади массавӣ142
neutron number77
relative atomic mass
141,939280858 ± 0,000752079 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
597 ± 17 ms
spin1
nuclear quadrupole moment
таърихи кашф1991
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)96.8%
ϵ (electron capture)3.2%
β+ p (β+-delayed proton emission)0.0022%

143Tb

Адади массавӣ143
neutron number78
relative atomic mass
142,935137332 ± 0,000055 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12 ± 1 s
spin11/2
nuclear quadrupole moment
таърихи кашф1985
parity-

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

144Tb

Адади массавӣ144
neutron number79
relative atomic mass
143,933045 ± 0,00003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
таърихи кашф1982
parity+

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

145Tb

Адади массавӣ145
neutron number80
relative atomic mass
144,928717001 ± 0,000119051 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
30,9 ± 0,6 s
spin11/2
nuclear quadrupole moment
таърихи кашф1981
parity-

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

146Tb

Адади массавӣ146
neutron number81
relative atomic mass
145,927252739 ± 0,000048159 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8 ± 4 s
spin1
nuclear quadrupole moment
таърихи кашф1974
parity+

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

147Tb

Адади массавӣ147
neutron number82
relative atomic mass
146,92405462 ± 0,000008691 Da
g-factor
3,42 ± 0,1
natural abundance
radioactivity☢️ radioactive element
half-life
1,64 ± 0,03 h
spin1/2
nuclear quadrupole moment
0
таърихи кашф1969
parity+

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

148Tb

Адади массавӣ148
neutron number83
relative atomic mass
147,924275476 ± 0,000013379 Da
g-factor
-0,88 ± 0,01
natural abundance
radioactivity☢️ radioactive element
half-life
60 ± 1 m
spin2
nuclear quadrupole moment
-0,3 ± 0,2
таърихи кашф1960
parity-

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

149Tb

Адади массавӣ149
neutron number84
relative atomic mass
148,923253792 ± 0,000003895 Da
g-factor
2,72 ± 0,04
natural abundance
radioactivity☢️ radioactive element
half-life
4,118 ± 0,025 h
spin1/2
nuclear quadrupole moment
0
таърихи кашф1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)83.3%
α (α emission)16.7%

150Tb

Адади массавӣ150
neutron number85
relative atomic mass
149,923664799 ± 0,000007912 Da
g-factor
-0,45 ± 0,01
natural abundance
radioactivity☢️ radioactive element
half-life
3,48 ± 0,16 h
spin2
nuclear quadrupole moment
таърихи кашф1959
parity

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

151Tb

Адади массавӣ151
neutron number86
relative atomic mass
150,92310897 ± 0,000004395 Da
g-factor
1,852 ± 0,012
natural abundance
radioactivity☢️ radioactive element
half-life
17,609 ± 0,001 h
spin1/2
nuclear quadrupole moment
0
таърихи кашф1953
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.9905%
α (α emission)0.0095%

152Tb

Адади массавӣ152
neutron number87
relative atomic mass
151,924081855 ± 0,000042955 Da
g-factor
-0,29 ± 0,01
natural abundance
radioactivity☢️ radioactive element
half-life
17,5 ± 0,1 h
spin2
nuclear quadrupole moment
0,34 ± 0,13
таърихи кашф1959
parity-

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

153Tb

Адади массавӣ153
neutron number88
relative atomic mass
152,923441694 ± 0,000004237 Da
g-factor
1,388 ± 0,008
natural abundance
radioactivity☢️ radioactive element
half-life
2,34 ± 0,01 d
spin5/2
nuclear quadrupole moment
1,08 ± 0,14
таърихи кашф1957
parity+

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

154Tb

Адади массавӣ154
neutron number89
relative atomic mass
153,924683681 ± 0,000048641 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,994 ± 0,039 h
spin3
nuclear quadrupole moment
таърихи кашф1972
parity-

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

155Tb

Адади массавӣ155
neutron number90
relative atomic mass
154,923509511 ± 0,000010552 Da
g-factor
1,3533333333333 ± 0,013333333333333
natural abundance
radioactivity☢️ radioactive element
half-life
5,32 ± 0,06 d
spin3/2
nuclear quadrupole moment
1,41 ± 0,06
таърихи кашф1957
parity+

decay modeintensity
ϵ (electron capture)100%

156Tb

Адади массавӣ156
neutron number91
relative atomic mass
155,924754209 ± 0,000004044 Da
g-factor
0,56666666666667 ± 0,066666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
5,35 ± 0,1 d
spin3
nuclear quadrupole moment
2,3 ± 0,8
таърихи кашф1950
parity-

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

157Tb

Адади массавӣ157
neutron number92
relative atomic mass
156,924031888 ± 0,000001092 Da
g-factor
1,3533333333333 ± 0,013333333333333
natural abundance
radioactivity☢️ radioactive element
half-life
71 ± 7 y
spin3/2
nuclear quadrupole moment
1,4 ± 0,08
таърихи кашф1960
parity+

decay modeintensity
ϵ (electron capture)100%

158Tb

Адади массавӣ158
neutron number93
relative atomic mass
157,925419942 ± 0,00000136 Da
g-factor
0,58433333333333 ± 0,0023333333333333
natural abundance
radioactivity☢️ radioactive element
half-life
180 ± 11 y
spin3
nuclear quadrupole moment
таърихи кашф1957
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)83.4%
β (β decay)16.6%

159Tb

Адади массавӣ159
neutron number94
relative atomic mass
158,925353707 ± 0,000001184 Da
g-factor
1,3393333333333 ± 0,0026666666666667
natural abundance
100
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
1,432 ± 0,008
таърихи кашф1933
parity+

160Tb

Адади массавӣ160
neutron number95
relative atomic mass
159,927174553 ± 0,000001191 Da
g-factor
0,566 ± 0,0026666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
72,3 ± 0,2 d
spin3
nuclear quadrupole moment
3,85 ± 0,05
таърихи кашф1943
parity-

decay modeintensity
β (β decay)100%

161Tb

Адади массавӣ161
neutron number96
relative atomic mass
160,927576806 ± 0,000001308 Da
g-factor
1,4666666666667 ± 0,066666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
6,948 ± 0,005 d
spin3/2
nuclear quadrupole moment
1,3 ± 0,6
таърихи кашф1949
parity+

decay modeintensity
β (β decay)100%

162Tb

Адади массавӣ162
neutron number97
relative atomic mass
161,9292754 ± 0,0000022 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,6 ± 0,15 m
spin1
nuclear quadrupole moment
таърихи кашф1965
parity-

decay modeintensity
β (β decay)100%

163Tb

Адади массавӣ163
neutron number98
relative atomic mass
162,930653609 ± 0,000004358 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
19,5 ± 0,3 m
spin3/2
nuclear quadrupole moment
таърихи кашф1966
parity+

decay modeintensity
β (β decay)100%

164Tb

Адади массавӣ164
neutron number99
relative atomic mass
163,933327561 ± 0,000002 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3 ± 0,1 m
spin5
nuclear quadrupole moment
таърихи кашф1968
parity+

decay modeintensity
β (β decay)100%

165Tb

Адади массавӣ165
neutron number100
relative atomic mass
164,934955198 ± 0,000001654 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,11 ± 0,1 m
spin3/2
nuclear quadrupole moment
таърихи кашф1983
parity+

decay modeintensity
β (β decay)100%

166Tb

Адади массавӣ166
neutron number101
relative atomic mass
165,937939727 ± 0,00000157 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
27,1 ± 1,5 s
spin1
nuclear quadrupole moment
таърихи кашф1996
parity-

decay modeintensity
β (β decay)100%

167Tb

Адади массавӣ167
neutron number102
relative atomic mass
166,940007046 ± 0,000002071 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
18,9 ± 1,6 s
spin3/2
nuclear quadrupole moment
таърихи кашф1999
parity+

decay modeintensity
β (β decay)100%

168Tb

Адади массавӣ168
neutron number103
relative atomic mass
167,943337074 ± 0,0000045 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,4 ± 0,4 s
spin4
nuclear quadrupole moment
таърихи кашф1999
parity-

decay modeintensity
β (β decay)100%

169Tb

Адади массавӣ169
neutron number104
relative atomic mass
168,945807 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,13 ± 0,32 s
spin3/2
nuclear quadrupole moment
таърихи кашф2012
parity+

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

170Tb

Адади массавӣ170
neutron number105
relative atomic mass
169,949855 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
960 ± 78 ms
spin2
nuclear quadrupole moment
таърихи кашф2012
parity-

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

171Tb

Адади массавӣ171
neutron number106
relative atomic mass
170,953011 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,23 ± 0,1 s
spin3/2
nuclear quadrupole moment
таърихи кашф2012
parity+

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

172Tb

Адади массавӣ172
neutron number107
relative atomic mass
171,957391 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
760 ± 190 ms
spin6
nuclear quadrupole moment
таърихи кашф2012
parity+

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

173Tb

Адади массавӣ173
neutron number108
relative atomic mass
172,960805 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф2018
parity+

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

174Tb

Адади массавӣ174
neutron number109
relative atomic mass
173,965679 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
таърихи кашф2018
parity-

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

таърих

кошифCarl Mosander
макони кашфSweden
таърихи кашф1843
РешашиносӣNamed after Ytterby, a village in Sweden.
pronunciationTUR-bi-em (Англисӣ)

source

Abundance
Abundance in Earth's crust
1,2 mg/kg
natural abundance (Уқёнус)
0,00000014 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,0000039 %
natural abundance (Офтоб)
0,00000001 %
Abundance in Universe
0,00000005 %

Nuclear Screening Constants

1s1.2739
2p4.3076
2s17.0278
3d13.7015
3p19.9853
3s20.4485
4d34.69
4f39.1352
4p31.6012
4s30.98
5p48.039
5s45.8295
6s56.6996