Gadolinio

Gadolinio (Gd)

element with the atomic number of 64
Atomic Number64
Atomic Weight157.25
Numero masico158
Group
Period6
Blockf
Protón64 p+
Neutrón94 n0
Electrón64 e-
Animated Modelo atomico de Bohr of Gd (Gadolinio)

Physical Property

Radio Atomico
molar volume
Radio covalent
Metallic Radius
Radio ionico
Crystal Radius
Radio de van der Waals
density
Atomic Radii Of The Elements: Gadolinio0102030405060708090100110120130140150160170180190200210220230240pmRadio AtomicoRadio CovalentMetallic RadiusRadio de van der Waals

Chemical Property

enerchía
proton affinity
Afinidat electronica
ionization energy
ionization energy of Gd (Gadolinio)
Entalpía de vaporización
entalpía de fusión
standard enthalpy of formation
Electrón
electron shell2, 8, 18, 25, 9, 2
Modelo atomico de Bohr: Gd (Gadolinio)
valence electron2
Lewis structure: Gd (Gadolinio)
electron configuration[Xe] 4f7 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f7 5d1 6s2
Enhanced Modelo atomico de Bohr of Gd (Gadolinio)
Orbital Diagram of Gd (Gadolinio)
Numero d'oxidación0, 1, 2, 3
Electronegatividat
1.2
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Punto triple
appearance
Color
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
magnetism
typeferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
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 Number26
Mendeleev Number27
Pettifor Number27
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
49000
Neutron Mass Absorption
7.3
quantum number9D2
space group194 (P63/mmc)

Isotopes of Gadolinium

Stable Isotopes5
Unstable Isotopes35
Natural Isotopes7
Isotopic Composition15824.84%15824.84%16021.86%16021.86%15620.47%15620.47%15514.80%15514.80%15715.65%15715.65%1542.18%1542.18%1520.20%1520.20%

133Gd

Numero masico133
neutron number69
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin5/2
nuclear quadrupole moment
time of discovery or invention
parity+

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

134Gd

Numero masico134
neutron number70
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

135Gd

Numero masico135
neutron number71
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
1.1 ± 0.2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1996
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)2%

136Gd

Numero masico136
neutron number72
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin0
nuclear quadrupole moment
0
time of discovery or invention2000
parity+

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

137Gd

Numero masico137
neutron number73
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
2.2 ± 0.2 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1999
parity

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

138Gd

Numero masico138
neutron number74
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
4.7 ± 0.9 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1985
parity+

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

139Gd

Numero masico139
neutron number75
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
5.7 ± 0.3 s
spin9/2
nuclear quadrupole moment
time of discovery or invention1983
parity-

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

140Gd

Numero masico140
neutron number76
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
15.8 ± 0.4 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1985
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)67%
ϵ (electron capture)33%

141Gd

Numero masico141
neutron number77
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
14 ± 4 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1986
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.03%

142Gd

Numero masico142
neutron number78
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
70.2 ± 0.6 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1986
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)52%
e+ (positron emission)48%

143Gd

Numero masico143
neutron number79
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
39 ± 2 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1975
parity+

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

144Gd

Numero masico144
neutron number80
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
4.47 ± 0.06 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1968
parity+

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

145Gd

Numero masico145
neutron number81
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
23 ± 0.4 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1959
parity+

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

146Gd

Numero masico146
neutron number82
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
48.27 ± 0.09 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1957
parity+

decay modeintensity
ϵ (electron capture)100%

147Gd

Numero masico147
neutron number83
Relative Atomic Mass
g-factor
0.29142857142857 ± 0.025714285714286
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
38.06 ± 0.12 h
spin7/2
nuclear quadrupole moment
time of discovery or invention1957
parity-

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

148Gd

Numero masico148
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
71.3 ± 1 y
spin0
nuclear quadrupole moment
0
time of discovery or invention1953
parity+

decay modeintensity
α (α emission)100%
+ (double β+ decay)

149Gd

Numero masico149
neutron number85
Relative Atomic Mass
g-factor
0.25142857142857 ± 0.011428571428571
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
9.28 ± 0.1 d
spin7/2
nuclear quadrupole moment
time of discovery or invention1951
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)4.3%

150Gd

Numero masico150
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
1.79 ± 0.08 My
spin0
nuclear quadrupole moment
0
time of discovery or invention1953
parity+

decay modeintensity
α (α emission)100%
+ (double β+ decay)

151Gd

Numero masico151
neutron number87
Relative Atomic Mass
g-factor
0.22 ± 0.017142857142857
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
123.9 ± 1 d
spin7/2
nuclear quadrupole moment
time of discovery or invention1950
parity-

decay modeintensity
ϵ (electron capture)100%
α (α emission)1.1%

152Gd

Numero masico152
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
0.2 ± 0.03
Radioactividat☢️ radioactive element
Periodo de semidesintegración
108 ± 8 Ty
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

decay modeintensity
α (α emission)100%
+ (double β+ decay)

153Gd

Numero masico153
neutron number89
Relative Atomic Mass
g-factor
0.25333333333333 ± 0.053333333333333
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
240.6 ± 0.7 d
spin3/2
nuclear quadrupole moment
time of discovery or invention1947
parity-

decay modeintensity
ϵ (electron capture)100%

154Gd

Numero masico154
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
2.18 ± 0.02
Radioactividatstable isotope
Periodo de semidesintegraciónNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

155Gd

Numero masico155
neutron number91
Relative Atomic Mass
g-factor
-0.17273333333333 ± 0.00026666666666667
natural abundance
14.8 ± 0.09
Radioactividatstable isotope
Periodo de semidesintegraciónNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
1.27 ± 0.03
time of discovery or invention1933
parity-

156Gd

Numero masico156
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
20.47 ± 0.03
Radioactividatstable isotope
Periodo de semidesintegraciónNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

157Gd

Numero masico157
neutron number93
Relative Atomic Mass
g-factor
-0.22653333333333 ± 0.0004
natural abundance
15.65 ± 0.04
Radioactividatstable isotope
Periodo de semidesintegraciónNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
1.35 ± 0.03
time of discovery or invention1933
parity-

158Gd

Numero masico158
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
24.84 ± 0.08
Radioactividatstable isotope
Periodo de semidesintegraciónNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

159Gd

Numero masico159
neutron number95
Relative Atomic Mass
g-factor
-0.29333333333333 ± 0.02
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
18.479 ± 0.004 h
spin3/2
nuclear quadrupole moment
time of discovery or invention1949
parity-

decay modeintensity
β (β decay)100%

160Gd

Numero masico160
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
21.86 ± 0.03
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

decay modeintensity
(double β decay)

161Gd

Numero masico161
neutron number97
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
3.646 ± 0.003 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1949
parity-

decay modeintensity
β (β decay)100%

162Gd

Numero masico162
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
8.4 ± 0.2 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1967
parity+

decay modeintensity
β (β decay)100%

163Gd

Numero masico163
neutron number99
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
68 ± 3 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1982
parity+

decay modeintensity
β (β decay)100%

164Gd

Numero masico164
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
45 ± 3 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1988
parity+

decay modeintensity
β (β decay)100%

165Gd

Numero masico165
neutron number101
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
11.6 ± 1 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1998
parity-

decay modeintensity
β (β decay)100%

166Gd

Numero masico166
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
5.1 ± 0.8 s
spin0
nuclear quadrupole moment
0
time of discovery or invention2005
parity+

decay modeintensity
β (β decay)100%

167Gd

Numero masico167
neutron number103
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
4.2 ± 0.3 s
spin5/2
nuclear quadrupole moment
time of discovery or invention2012
parity-

decay modeintensity
β (β decay)100%

168Gd

Numero masico168
neutron number104
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
3.03 ± 0.16 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1985
parity+

decay modeintensity
β (β decay)100%

169Gd

Numero masico169
neutron number105
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
750 ± 210 ms
spin7/2
nuclear quadrupole moment
time of discovery or invention2012
parity-

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

170Gd

Numero masico170
neutron number106
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
420 ± 130 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

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

171Gd

Numero masico171
neutron number107
Relative Atomic Mass
g-factor
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin9/2
nuclear quadrupole moment
time of discovery or invention2018
parity+

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

172Gd

Numero masico172
neutron number108
Relative Atomic Mass
g-factor
0
natural abundance
Radioactividat☢️ radioactive element
Periodo de semidesintegración
spin0
nuclear quadrupole moment
0
time of discovery or invention2018
parity+

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

historia

discoverer or inventorJean de Marignac
location of discoverySwitzerland
time of discovery or invention1880
EtimolochíaNamed after the mineral gadolinite.
pronunciationGAD-eh-LIN-i-em (English)

source

Abundance
Abundance in Earth's crust
natural abundance (ocián)
natural abundance (human body)
natural abundance (meteoroid)
0.000023 %
natural abundance (Sol)
0.0000002 %
Abundance in Universe
0.0000002 %

Nuclear Screening Constants

1s1.2565
2p4.2946
2s16.783
3d13.723
3p19.8508
3s20.2903
4d34.3664
4f38.9864
4p31.3532
4s30.556
5p47.236
5s45.118
6s55.7854