Terbiyûm

Terbiyûm (Tb)

element with the atomic number of 65
Atomic Number65
Atomic Weight158.92535
Hejmara baristeyî159
Group
Period6
Blockf
Proton65 p+
Notron94 n0
Kareva65 e-
Animated Bohr model of Tb (Terbiyûm)

Physical Property

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
density
8,23 g/cm³
Atomic Radii Of The Elements: Terbiyûm0102030405060708090100110120130140150160170180190200210220230240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
electron affinity
ionization energy
ionization energy of Tb (Terbiyûm)
enthalpy of vaporization
389 kJ/mol
enthalpy of fusion
standard enthalpy of formation
388,7 kJ/mol
Kareva
electron shell2, 8, 18, 27, 8, 2
Bohr model: Tb (Terbiyûm)
valence electron2
Lewis structure: Tb (Terbiyûm)
electron configuration[Xe] 4f9 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f9 6s2
Enhanced Bohr model of Tb (Terbiyûm)
Orbital Diagram of Tb (Terbiyûm)
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
color
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
0,182 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
0,83 MS/m
electrical resistivity
0,0000012 m Ω
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,0000136 m³/Kg
magnetic susceptibility (Molar)
0,000002161385 m³/mol
magnetic susceptibility (Volume)
0,1117784
magnetic ordering
Germahiya Curie
222 K
Néel temperature
230 K
pêkhate
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
Leza dengê
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
quantum number6H15/2
space group194 (P63/mmc)

Isotopes of Terbium

Stable Isotopes1
Unstable Isotopes39
Natural Isotopes1

135Tb

Hejmara baristeyî135
neutron number70
Giraniya atomê
134,964516 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,01 ± 0,28 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2004
parity-

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

136Tb

Hejmara baristeyî136
neutron number71
Giraniya atomê
135,96146 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

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

137Tb

Hejmara baristeyî137
neutron number72
Giraniya atomê
136,95602 ± 0,00043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity+

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

138Tb

Hejmara baristeyî138
neutron number73
Giraniya atomê
137,953193 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1993
parity+

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

139Tb

Hejmara baristeyî139
neutron number74
Giraniya atomê
138,94833 ± 0,00032 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,6 ± 0,2 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1999
parity-

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

140Tb

Hejmara baristeyî140
neutron number75
Giraniya atomê
139,945805048 ± 0,000859359 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,29 ± 0,15 s
spin7
nuclear quadrupole moment
dema îcadkirinê yan keşfê1986
parity+

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

141Tb

Hejmara baristeyî141
neutron number76
Giraniya atomê
140,941448 ± 0,000113 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,5 ± 0,2 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1986
parity-

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

142Tb

Hejmara baristeyî142
neutron number77
Giraniya atomê
141,939280858 ± 0,000752079 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
597 ± 17 ms
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1991
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

Hejmara baristeyî143
neutron number78
Giraniya atomê
142,935137332 ± 0,000055 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12 ± 1 s
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1985
parity-

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

144Tb

Hejmara baristeyî144
neutron number79
Giraniya atomê
143,933045 ± 0,00003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1982
parity+

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

145Tb

Hejmara baristeyî145
neutron number80
Giraniya atomê
144,928717001 ± 0,000119051 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
30,9 ± 0,6 s
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1981
parity-

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

146Tb

Hejmara baristeyî146
neutron number81
Giraniya atomê
145,927252739 ± 0,000048159 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8 ± 4 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1974
parity+

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

147Tb

Hejmara baristeyî147
neutron number82
Giraniya atomê
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
dema îcadkirinê yan keşfê1969
parity+

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

148Tb

Hejmara baristeyî148
neutron number83
Giraniya atomê
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
dema îcadkirinê yan keşfê1960
parity-

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

149Tb

Hejmara baristeyî149
neutron number84
Giraniya atomê
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
dema îcadkirinê yan keşfê1950
parity+

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

150Tb

Hejmara baristeyî150
neutron number85
Giraniya atomê
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
dema îcadkirinê yan keşfê1959
parity

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

151Tb

Hejmara baristeyî151
neutron number86
Giraniya atomê
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
dema îcadkirinê yan keşfê1953
parity+

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

152Tb

Hejmara baristeyî152
neutron number87
Giraniya atomê
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
dema îcadkirinê yan keşfê1959
parity-

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

153Tb

Hejmara baristeyî153
neutron number88
Giraniya atomê
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
dema îcadkirinê yan keşfê1957
parity+

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

154Tb

Hejmara baristeyî154
neutron number89
Giraniya atomê
153,924683681 ± 0,000048641 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,994 ± 0,039 h
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1972
parity-

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

155Tb

Hejmara baristeyî155
neutron number90
Giraniya atomê
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
dema îcadkirinê yan keşfê1957
parity+

decay modeintensity
ϵ (electron capture)100%

156Tb

Hejmara baristeyî156
neutron number91
Giraniya atomê
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
dema îcadkirinê yan keşfê1950
parity-

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

157Tb

Hejmara baristeyî157
neutron number92
Giraniya atomê
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
dema îcadkirinê yan keşfê1960
parity+

decay modeintensity
ϵ (electron capture)100%

158Tb

Hejmara baristeyî158
neutron number93
Giraniya atomê
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
dema îcadkirinê yan keşfê1957
parity-

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

159Tb

Hejmara baristeyî159
neutron number94
Giraniya atomê
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
dema îcadkirinê yan keşfê1933
parity+

160Tb

Hejmara baristeyî160
neutron number95
Giraniya atomê
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
dema îcadkirinê yan keşfê1943
parity-

decay modeintensity
β (β decay)100%

161Tb

Hejmara baristeyî161
neutron number96
Giraniya atomê
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
dema îcadkirinê yan keşfê1949
parity+

decay modeintensity
β (β decay)100%

162Tb

Hejmara baristeyî162
neutron number97
Giraniya atomê
161,9292754 ± 0,0000022 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,6 ± 0,15 m
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1965
parity-

decay modeintensity
β (β decay)100%

163Tb

Hejmara baristeyî163
neutron number98
Giraniya atomê
162,930653609 ± 0,000004358 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
19,5 ± 0,3 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1966
parity+

decay modeintensity
β (β decay)100%

164Tb

Hejmara baristeyî164
neutron number99
Giraniya atomê
163,933327561 ± 0,000002 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3 ± 0,1 m
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê1968
parity+

decay modeintensity
β (β decay)100%

165Tb

Hejmara baristeyî165
neutron number100
Giraniya atomê
164,934955198 ± 0,000001654 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,11 ± 0,1 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1983
parity+

decay modeintensity
β (β decay)100%

166Tb

Hejmara baristeyî166
neutron number101
Giraniya atomê
165,937939727 ± 0,00000157 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
27,1 ± 1,5 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1996
parity-

decay modeintensity
β (β decay)100%

167Tb

Hejmara baristeyî167
neutron number102
Giraniya atomê
166,940007046 ± 0,000002071 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
18,9 ± 1,6 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1999
parity+

decay modeintensity
β (β decay)100%

168Tb

Hejmara baristeyî168
neutron number103
Giraniya atomê
167,943337074 ± 0,0000045 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,4 ± 0,4 s
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê1999
parity-

decay modeintensity
β (β decay)100%

169Tb

Hejmara baristeyî169
neutron number104
Giraniya atomê
168,945807 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,13 ± 0,32 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity+

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

170Tb

Hejmara baristeyî170
neutron number105
Giraniya atomê
169,949855 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
960 ± 78 ms
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity-

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

171Tb

Hejmara baristeyî171
neutron number106
Giraniya atomê
170,953011 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,23 ± 0,1 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity+

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

172Tb

Hejmara baristeyî172
neutron number107
Giraniya atomê
171,957391 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
760 ± 190 ms
spin6
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity+

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

173Tb

Hejmara baristeyî173
neutron number108
Giraniya atomê
172,960805 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2018
parity+

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

174Tb

Hejmara baristeyî174
neutron number109
Giraniya atomê
173,965679 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2018
parity-

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

dîrok

kaşîf an îcadkerCarl Mosander
location of discoverySweden
dema îcadkirinê yan keşfê1843
BêjenasîNamed after Ytterby, a village in Sweden.
pronunciationTUR-bi-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
1,2 mg/kg
natural abundance (Okyanûs)
0,00000014 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,0000039 %
natural abundance (Roj)
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