Terbium

Terbium (Tb)

element with the atomic number of 65
Atomic Number65
Atomic Weight158.92535
Numri i masës159
Group
Period6
Blockf
protoni65 p+
neutroni94 n0
elektroni65 e-
Animated Bohr model of Tb (Terbium)

Tipar Fizik

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: Terbium0153045607590105120135150165180195210225240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Tb (Terbium)
enthalpy of vaporization
389 kJ/mol
enthalpy of fusion
standard enthalpy of formation
388,7 kJ/mol
elektroni
electron shell2, 8, 18, 27, 8, 2
Bohr model: Tb (Terbium)
valence electron2
Lewis structure: Tb (Terbium)
konfigurimi i elektronit[Xe] 4f9 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f9 6s2
Enhanced Bohr model of Tb (Terbium)
Orbital Diagram of Tb (Terbium)
oxidation number0, 1, 2, 3, 4
Elektronegativiteti
Electrophilicity Index
1,3142725121307568 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
3 503,15 K
Melting Point
1 632,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
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
Superpërcjellshmëria
Magnetizimi
typeparamagnetic
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
strukturë
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
Shpejtësia e zërit
2 620 m/s
klasifikim
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
numër kuantik6H15/2
space group194 (P63/mmc)

Isotopes of Terbium

Stable Isotopes1
Unstable Isotopes39
Natural Isotopes1

135Tb

Numri i masës135
numri i neutroneve70
relative atomic mass
134,964516 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,01 ± 0,28 ms
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2004
parity-

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

136Tb

Numri i masës136
numri i neutroneve71
relative atomic mass
135,96146 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

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

137Tb

Numri i masës137
numri i neutroneve72
relative atomic mass
136,95602 ± 0,00043 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

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

138Tb

Numri i masës138
numri i neutroneve73
relative atomic mass
137,953193 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1993
parity+

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

139Tb

Numri i masës139
numri i neutroneve74
relative atomic mass
138,94833 ± 0,00032 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,6 ± 0,2 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1999
parity-

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

140Tb

Numri i masës140
numri i neutroneve75
relative atomic mass
139,945805048 ± 0,000859359 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,29 ± 0,15 s
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes1986
parity+

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

141Tb

Numri i masës141
numri i neutroneve76
relative atomic mass
140,941448 ± 0,000113 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,5 ± 0,2 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1986
parity-

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

142Tb

Numri i masës142
numri i neutroneve77
relative atomic mass
141,939280858 ± 0,000752079 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
597 ± 17 ms
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1991
parity+

decay modeintensitet
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

Numri i masës143
numri i neutroneve78
relative atomic mass
142,935137332 ± 0,000055 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
12 ± 1 s
Spini11/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1985
parity-

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

144Tb

Numri i masës144
numri i neutroneve79
relative atomic mass
143,933045 ± 0,00003 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1982
parity+

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

145Tb

Numri i masës145
numri i neutroneve80
relative atomic mass
144,928717001 ± 0,000119051 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
30,9 ± 0,6 s
Spini11/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1981
parity-

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

146Tb

Numri i masës146
numri i neutroneve81
relative atomic mass
145,927252739 ± 0,000048159 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8 ± 4 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1974
parity+

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

147Tb

Numri i masës147
numri i neutroneve82
relative atomic mass
146,92405462 ± 0,000008691 Da
g-factor
3,42 ± 0,1
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,64 ± 0,03 h
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1969
parity+

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

148Tb

Numri i masës148
numri i neutroneve83
relative atomic mass
147,924275476 ± 0,000013379 Da
g-factor
-0,88 ± 0,01
natural abundance
Radioaktivitet☢️ radioactive element
half-life
60 ± 1 m
Spini2
nuclear quadrupole moment
-0,3 ± 0,2
koha e zbulimit apo shpikjes1960
parity-

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

149Tb

Numri i masës149
numri i neutroneve84
relative atomic mass
148,923253792 ± 0,000003895 Da
g-factor
2,72 ± 0,04
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,118 ± 0,025 h
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1950
parity+

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

150Tb

Numri i masës150
numri i neutroneve85
relative atomic mass
149,923664799 ± 0,000007912 Da
g-factor
-0,45 ± 0,01
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,48 ± 0,16 h
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1959
parity

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

151Tb

Numri i masës151
numri i neutroneve86
relative atomic mass
150,92310897 ± 0,000004395 Da
g-factor
1,852 ± 0,012
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,609 ± 0,001 h
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1953
parity+

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

152Tb

Numri i masës152
numri i neutroneve87
relative atomic mass
151,924081855 ± 0,000042955 Da
g-factor
-0,29 ± 0,01
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,5 ± 0,1 h
Spini2
nuclear quadrupole moment
0,34 ± 0,13
koha e zbulimit apo shpikjes1959
parity-

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

153Tb

Numri i masës153
numri i neutroneve88
relative atomic mass
152,923441694 ± 0,000004237 Da
g-factor
1,388 ± 0,008
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,34 ± 0,01 d
Spini5/2
nuclear quadrupole moment
1,08 ± 0,14
koha e zbulimit apo shpikjes1957
parity+

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

154Tb

Numri i masës154
numri i neutroneve89
relative atomic mass
153,924683681 ± 0,000048641 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9,994 ± 0,039 h
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1972
parity-

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

155Tb

Numri i masës155
numri i neutroneve90
relative atomic mass
154,923509511 ± 0,000010552 Da
g-factor
1,3533333333333 ± 0,013333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,32 ± 0,06 d
Spini3/2
nuclear quadrupole moment
1,41 ± 0,06
koha e zbulimit apo shpikjes1957
parity+

decay modeintensitet
ϵ (electron capture)100%

156Tb

Numri i masës156
numri i neutroneve91
relative atomic mass
155,924754209 ± 0,000004044 Da
g-factor
0,56666666666667 ± 0,066666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,35 ± 0,1 d
Spini3
nuclear quadrupole moment
2,3 ± 0,8
koha e zbulimit apo shpikjes1950
parity-

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

157Tb

Numri i masës157
numri i neutroneve92
relative atomic mass
156,924031888 ± 0,000001092 Da
g-factor
1,3533333333333 ± 0,013333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
71 ± 7 y
Spini3/2
nuclear quadrupole moment
1,4 ± 0,08
koha e zbulimit apo shpikjes1960
parity+

decay modeintensitet
ϵ (electron capture)100%

158Tb

Numri i masës158
numri i neutroneve93
relative atomic mass
157,925419942 ± 0,00000136 Da
g-factor
0,58433333333333 ± 0,0023333333333333
natural abundance
Radioaktivitet☢️ radioactive element
half-life
180 ± 11 y
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1957
parity-

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

159Tb

Numri i masës159
numri i neutroneve94
relative atomic mass
158,925353707 ± 0,000001184 Da
g-factor
1,3393333333333 ± 0,0026666666666667
natural abundance
100
Radioaktivitetstable isotope
half-lifeNot Radioactive ☢️
Spini3/2
nuclear quadrupole moment
1,432 ± 0,008
koha e zbulimit apo shpikjes1933
parity+

160Tb

Numri i masës160
numri i neutroneve95
relative atomic mass
159,927174553 ± 0,000001191 Da
g-factor
0,566 ± 0,0026666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
72,3 ± 0,2 d
Spini3
nuclear quadrupole moment
3,85 ± 0,05
koha e zbulimit apo shpikjes1943
parity-

decay modeintensitet
β (β decay)100%

161Tb

Numri i masës161
numri i neutroneve96
relative atomic mass
160,927576806 ± 0,000001308 Da
g-factor
1,4666666666667 ± 0,066666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6,948 ± 0,005 d
Spini3/2
nuclear quadrupole moment
1,3 ± 0,6
koha e zbulimit apo shpikjes1949
parity+

decay modeintensitet
β (β decay)100%

162Tb

Numri i masës162
numri i neutroneve97
relative atomic mass
161,9292754 ± 0,0000022 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,6 ± 0,15 m
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1965
parity-

decay modeintensitet
β (β decay)100%

163Tb

Numri i masës163
numri i neutroneve98
relative atomic mass
162,930653609 ± 0,000004358 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
19,5 ± 0,3 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1966
parity+

decay modeintensitet
β (β decay)100%

164Tb

Numri i masës164
numri i neutroneve99
relative atomic mass
163,933327561 ± 0,000002 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3 ± 0,1 m
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1968
parity+

decay modeintensitet
β (β decay)100%

165Tb

Numri i masës165
numri i neutroneve100
relative atomic mass
164,934955198 ± 0,000001654 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,11 ± 0,1 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1983
parity+

decay modeintensitet
β (β decay)100%

166Tb

Numri i masës166
numri i neutroneve101
relative atomic mass
165,937939727 ± 0,00000157 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
27,1 ± 1,5 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1996
parity-

decay modeintensitet
β (β decay)100%

167Tb

Numri i masës167
numri i neutroneve102
relative atomic mass
166,940007046 ± 0,000002071 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
18,9 ± 1,6 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1999
parity+

decay modeintensitet
β (β decay)100%

168Tb

Numri i masës168
numri i neutroneve103
relative atomic mass
167,943337074 ± 0,0000045 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9,4 ± 0,4 s
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1999
parity-

decay modeintensitet
β (β decay)100%

169Tb

Numri i masës169
numri i neutroneve104
relative atomic mass
168,945807 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,13 ± 0,32 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity+

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

170Tb

Numri i masës170
numri i neutroneve105
relative atomic mass
169,949855 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
960 ± 78 ms
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity-

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

171Tb

Numri i masës171
numri i neutroneve106
relative atomic mass
170,953011 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,23 ± 0,1 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity+

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

172Tb

Numri i masës172
numri i neutroneve107
relative atomic mass
171,957391 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
760 ± 190 ms
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes2012
parity+

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

173Tb

Numri i masës173
numri i neutroneve108
relative atomic mass
172,960805 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity+

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

174Tb

Numri i masës174
numri i neutroneve109
relative atomic mass
173,965679 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2018
parity-

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

historia

zbuluesCarl Mosander
vendndodhja e zbulimitSweden
koha e zbulimit apo shpikjes1843
EtimologjiaNamed after Ytterby, a village in Sweden.
pronunciationTUR-bi-em (anglisht)

burim

Abundance
Abundance in Earth's crust
1,2 mg/kg
natural abundance (Oqeani)
0,00000014 mg/L
natural abundance (Trupi i njeriut)
natural abundance (meteoroid)
0,0000039 %
natural abundance (Diell)
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