Terbyu

Terbyu (Tb)

element with the atomic number of 65
Atomic Number65
Atomic Weight158.92535
mass number159
Group
Period6
Blockf
Prutun65 p+
Niwtrun94 n0
Iliktrun65 e-
Animated Bohr model of Tb (Terbyu)

Physical Property

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Terbyu0102030405060708090100110120130140150160170180190200210220230240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

micha
proton affinity
electron affinity
ionization energy
ionization energy of Tb (Terbyu)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Iliktrun
Iñuku hawa2, 8, 18, 27, 8, 2
Bohr model: Tb (Terbyu)
valence electron2
Lewis structure: Tb (Terbyu)
electron configuration[Xe] 4f9 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f9 6s2
Enhanced Bohr model of Tb (Terbyu)
Orbital Diagram of Tb (Terbyu)
oxidation number0, 1, 2, 3, 4
electronegativity
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Llimphi
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
Llut'ariy
typeparamagnetic
magnetic susceptibility (Mass)
0.0000136 m³/Kg
magnetic susceptibility (Molar)
0.000002161385 m³/mol
magnetic susceptibility (Volume)
0.1117784
magnetic ordering
Curie temperature
Néel temperature
Pawa
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
0.26
speed of sound
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number25
Mendeleev Number29
Pettifor Number26
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
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

mass number135
neutron number70
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
1.01 ± 0.28 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention2004
parity-

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

136Tb

mass number136
neutron number71
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin5
nuclear quadrupole moment
time of discovery or invention
parity-

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

137Tb

mass number137
neutron number72
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin3/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

138Tb

mass number138
neutron number73
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin2
nuclear quadrupole moment
time of discovery or invention1993
parity+

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

139Tb

mass number139
neutron number74
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
1.6 ± 0.2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1999
parity-

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

140Tb

mass number140
neutron number75
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
2.29 ± 0.15 s
spin7
nuclear quadrupole moment
time of discovery or invention1986
parity+

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

141Tb

mass number141
neutron number76
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
3.5 ± 0.2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1986
parity-

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

142Tb

mass number142
neutron number77
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
597 ± 17 ms
spin1
nuclear quadrupole moment
time of discovery or invention1991
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

mass number143
neutron number78
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
12 ± 1 s
spin11/2
nuclear quadrupole moment
time of discovery or invention1985
parity-

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

144Tb

mass number144
neutron number79
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin1
nuclear quadrupole moment
time of discovery or invention1982
parity+

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

145Tb

mass number145
neutron number80
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
30.9 ± 0.6 s
spin11/2
nuclear quadrupole moment
time of discovery or invention1981
parity-

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

146Tb

mass number146
neutron number81
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
8 ± 4 s
spin1
nuclear quadrupole moment
time of discovery or invention1974
parity+

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

147Tb

mass number147
neutron number82
Relative Atomic Mass
g-factor
3.42 ± 0.1
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
1.64 ± 0.03 h
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1969
parity+

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

148Tb

mass number148
neutron number83
Relative Atomic Mass
g-factor
-0.88 ± 0.01
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
60 ± 1 m
spin2
nuclear quadrupole moment
-0.3 ± 0.2
time of discovery or invention1960
parity-

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

149Tb

mass number149
neutron number84
Relative Atomic Mass
g-factor
2.72 ± 0.04
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
4.118 ± 0.025 h
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1950
parity+

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

150Tb

mass number150
neutron number85
Relative Atomic Mass
g-factor
-0.45 ± 0.01
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
3.48 ± 0.16 h
spin2
nuclear quadrupole moment
time of discovery or invention1959
parity

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

151Tb

mass number151
neutron number86
Relative Atomic Mass
g-factor
1.852 ± 0.012
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
17.609 ± 0.001 h
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1953
parity+

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

152Tb

mass number152
neutron number87
Relative Atomic Mass
g-factor
-0.29 ± 0.01
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
17.5 ± 0.1 h
spin2
nuclear quadrupole moment
0.34 ± 0.13
time of discovery or invention1959
parity-

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

153Tb

mass number153
neutron number88
Relative Atomic Mass
g-factor
1.388 ± 0.008
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
2.34 ± 0.01 d
spin5/2
nuclear quadrupole moment
1.08 ± 0.14
time of discovery or invention1957
parity+

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

154Tb

mass number154
neutron number89
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
9.994 ± 0.039 h
spin3
nuclear quadrupole moment
time of discovery or invention1972
parity-

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

155Tb

mass number155
neutron number90
Relative Atomic Mass
g-factor
1.3533333333333 ± 0.013333333333333
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
5.32 ± 0.06 d
spin3/2
nuclear quadrupole moment
1.41 ± 0.06
time of discovery or invention1957
parity+

decay modeintensity
ϵ (electron capture)100%

156Tb

mass number156
neutron number91
Relative Atomic Mass
g-factor
0.56666666666667 ± 0.066666666666667
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
5.35 ± 0.1 d
spin3
nuclear quadrupole moment
2.3 ± 0.8
time of discovery or invention1950
parity-

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

157Tb

mass number157
neutron number92
Relative Atomic Mass
g-factor
1.3533333333333 ± 0.013333333333333
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
71 ± 7 y
spin3/2
nuclear quadrupole moment
1.4 ± 0.08
time of discovery or invention1960
parity+

decay modeintensity
ϵ (electron capture)100%

158Tb

mass number158
neutron number93
Relative Atomic Mass
g-factor
0.58433333333333 ± 0.0023333333333333
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
180 ± 11 y
spin3
nuclear quadrupole moment
time of discovery or invention1957
parity-

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

159Tb

mass number159
neutron number94
Relative Atomic Mass
g-factor
1.3393333333333 ± 0.0026666666666667
natural abundance
100
Illanchaykuystable isotope
Kuskan ismuykuy mit'aNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
1.432 ± 0.008
time of discovery or invention1933
parity+

160Tb

mass number160
neutron number95
Relative Atomic Mass
g-factor
0.566 ± 0.0026666666666667
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
72.3 ± 0.2 d
spin3
nuclear quadrupole moment
3.85 ± 0.05
time of discovery or invention1943
parity-

decay modeintensity
β (β decay)100%

161Tb

mass number161
neutron number96
Relative Atomic Mass
g-factor
1.4666666666667 ± 0.066666666666667
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
6.948 ± 0.005 d
spin3/2
nuclear quadrupole moment
1.3 ± 0.6
time of discovery or invention1949
parity+

decay modeintensity
β (β decay)100%

162Tb

mass number162
neutron number97
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
7.6 ± 0.15 m
spin1
nuclear quadrupole moment
time of discovery or invention1965
parity-

decay modeintensity
β (β decay)100%

163Tb

mass number163
neutron number98
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
19.5 ± 0.3 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1966
parity+

decay modeintensity
β (β decay)100%

164Tb

mass number164
neutron number99
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
3 ± 0.1 m
spin5
nuclear quadrupole moment
time of discovery or invention1968
parity+

decay modeintensity
β (β decay)100%

165Tb

mass number165
neutron number100
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
2.11 ± 0.1 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1983
parity+

decay modeintensity
β (β decay)100%

166Tb

mass number166
neutron number101
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
27.1 ± 1.5 s
spin1
nuclear quadrupole moment
time of discovery or invention1996
parity-

decay modeintensity
β (β decay)100%

167Tb

mass number167
neutron number102
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
18.9 ± 1.6 s
spin3/2
nuclear quadrupole moment
time of discovery or invention1999
parity+

decay modeintensity
β (β decay)100%

168Tb

mass number168
neutron number103
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
9.4 ± 0.4 s
spin4
nuclear quadrupole moment
time of discovery or invention1999
parity-

decay modeintensity
β (β decay)100%

169Tb

mass number169
neutron number104
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
5.13 ± 0.32 s
spin3/2
nuclear quadrupole moment
time of discovery or invention2012
parity+

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

170Tb

mass number170
neutron number105
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
960 ± 78 ms
spin2
nuclear quadrupole moment
time of discovery or invention2012
parity-

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

171Tb

mass number171
neutron number106
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
1.23 ± 0.1 s
spin3/2
nuclear quadrupole moment
time of discovery or invention2012
parity+

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

172Tb

mass number172
neutron number107
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
760 ± 190 ms
spin6
nuclear quadrupole moment
time of discovery or invention2012
parity+

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

173Tb

mass number173
neutron number108
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin3/2
nuclear quadrupole moment
time of discovery or invention2018
parity+

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

174Tb

mass number174
neutron number109
Relative Atomic Mass
g-factor
natural abundance
Illanchaykuy☢️ radioactive element
Kuskan ismuykuy mit'a
spin2
nuclear quadrupole moment
time of discovery or invention2018
parity-

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

wiñay kawsay

discoverer or inventorCarl Mosander
location of discoverySweden
time of discovery or invention1843
etymologyNamed after Ytterby, a village in Sweden.
pronunciationTUR-bi-em (Ingles Simi)

source

Abundance
Abundance in Earth's crust
natural abundance (Mama qucha)
natural abundance (human body)
natural abundance (meteoroid)
0.0000039 %
natural abundance (Inti)
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