Gadoliniom

Gadoliniom (Gd)

element with the atomic number of 64
Atomic Number64
Atomic Weight157.25
Niver mas158
Group
Period6
Blockf
Proton64 p+
Neutron94 n0
Elektron64 e-
Animated Bohr model of Gd (Gadoliniom)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Gadoliniom0102030405060708090100110120130140150160170180190200210220230240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energiezh
proton affinity
electron affinity
ionization energy
ionization energy of Gd (Gadoliniom)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Elektron
electron shell2, 8, 18, 25, 9, 2
Bohr model: Gd (Gadoliniom)
valence electron2
Lewis structure: Gd (Gadoliniom)
electron configuration[Xe] 4f7 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f7 5d1 6s2
Enhanced Bohr model of Gd (Gadoliniom)
Orbital Diagram of Gd (Gadoliniom)
oxidation number0, 1, 2, 3
electronegativity
1.2
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Poent tric'hement
appearance
liv
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
Gwarellegezh
typeferromagnetic
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
framm
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
rummatadur
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
49 000
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

Niver mas133
niver a neutron69
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas134
niver a neutron70
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas135
niver a neutron71
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas136
niver a neutron72
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas137
niver a neutron73
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas138
niver a neutron74
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas139
niver a neutron75
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas140
niver a neutron76
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas141
niver a neutron77
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas142
niver a neutron78
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas143
niver a neutron79
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas144
niver a neutron80
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas145
niver a neutron81
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas146
niver a neutron82
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
48,27 ± 0,09 d
spin0
nuclear quadrupole moment
0
time of discovery or invention1957
parity+

decay modeintensity
ϵ (electron capture)100%

147Gd

Niver mas147
niver a neutron83
Relative Atomic Mass
g-factor
0,29142857142857 ± 0,025714285714286
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas148
niver a neutron84
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas149
niver a neutron85
Relative Atomic Mass
g-factor
0,25142857142857 ± 0,011428571428571
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas150
niver a neutron86
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas151
niver a neutron87
Relative Atomic Mass
g-factor
0,22 ± 0,017142857142857
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas152
niver a neutron88
Relative Atomic Mass
g-factor
0
natural abundance
0,2 ± 0,03
radioactivity☢️ radioactive element
half-life
108 ± 8 Ty
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

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

153Gd

Niver mas153
niver a neutron89
Relative Atomic Mass
g-factor
0,25333333333333 ± 0,053333333333333
natural abundance
radioactivity☢️ radioactive element
half-life
240,6 ± 0,7 d
spin3/2
nuclear quadrupole moment
time of discovery or invention1947
parity-

decay modeintensity
ϵ (electron capture)100%

154Gd

Niver mas154
niver a neutron90
Relative Atomic Mass
g-factor
0
natural abundance
2,18 ± 0,02
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1938
parity+

155Gd

Niver mas155
niver a neutron91
Relative Atomic Mass
g-factor
-0,17273333333333 ± 0,00026666666666667
natural abundance
14,8 ± 0,09
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
1,27 ± 0,03
time of discovery or invention1933
parity-

156Gd

Niver mas156
niver a neutron92
Relative Atomic Mass
g-factor
0
natural abundance
20,47 ± 0,03
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

157Gd

Niver mas157
niver a neutron93
Relative Atomic Mass
g-factor
-0,22653333333333 ± 0,0004
natural abundance
15,65 ± 0,04
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
1,35 ± 0,03
time of discovery or invention1933
parity-

158Gd

Niver mas158
niver a neutron94
Relative Atomic Mass
g-factor
0
natural abundance
24,84 ± 0,08
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

159Gd

Niver mas159
niver a neutron95
Relative Atomic Mass
g-factor
-0,29333333333333 ± 0,02
natural abundance
radioactivity☢️ radioactive element
half-life
18,479 ± 0,004 h
spin3/2
nuclear quadrupole moment
time of discovery or invention1949
parity-

decay modeintensity
β (β decay)100%

160Gd

Niver mas160
niver a neutron96
Relative Atomic Mass
g-factor
0
natural abundance
21,86 ± 0,03
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

decay modeintensity
(double β decay)

161Gd

Niver mas161
niver a neutron97
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,646 ± 0,003 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1949
parity-

decay modeintensity
β (β decay)100%

162Gd

Niver mas162
niver a neutron98
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8,4 ± 0,2 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1967
parity+

decay modeintensity
β (β decay)100%

163Gd

Niver mas163
niver a neutron99
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
68 ± 3 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1982
parity+

decay modeintensity
β (β decay)100%

164Gd

Niver mas164
niver a neutron100
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
45 ± 3 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1988
parity+

decay modeintensity
β (β decay)100%

165Gd

Niver mas165
niver a neutron101
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
11,6 ± 1 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1998
parity-

decay modeintensity
β (β decay)100%

166Gd

Niver mas166
niver a neutron102
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
5,1 ± 0,8 s
spin0
nuclear quadrupole moment
0
time of discovery or invention2005
parity+

decay modeintensity
β (β decay)100%

167Gd

Niver mas167
niver a neutron103
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,2 ± 0,3 s
spin5/2
nuclear quadrupole moment
time of discovery or invention2012
parity-

decay modeintensity
β (β decay)100%

168Gd

Niver mas168
niver a neutron104
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,03 ± 0,16 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1985
parity+

decay modeintensity
β (β decay)100%

169Gd

Niver mas169
niver a neutron105
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas170
niver a neutron106
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
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

Niver mas171
niver a neutron107
Relative Atomic Mass
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin9/2
nuclear quadrupole moment
time of discovery or invention2018
parity+

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

172Gd

Niver mas172
niver a neutron108
Relative Atomic Mass
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
time of discovery or invention2018
parity+

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

istor

dizoloer pe ijinerJean de Marignac
location of discoverySwitzerland
time of discovery or invention1880
EtimologiezhNamed after the mineral gadolinite.
pronunciationGAD-eh-LIN-i-em (saozneg)

mammenn

Abundance
Abundance in Earth's crust
natural abundance (meurvor)
natural abundance (human body)
natural abundance (meteoroid)
0,000023 %
natural abundance (Heol)
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