Neodmyûm

Neodmyûm (Nd)

chemical element with the atomic number of 60 and symbol Nd
Atomic Number60
Atomic Weight144.242
Hejmara baristeyî142
Group
Period6
Blockf
Proton60 p+
Notron82 n0
Kareva60 e-
Animated Bohr model of Nd (Neodmyûm)

Physical Property

Atomic Radius
185 pm
molar volume
Covalent Radius
174 pm
Metallic Radius
ionic radius
129 pm
Crystal Radius
143 pm
Van der Waals radius
239 pm
density
7,01 g/cm³
Atomic Radii Of The Elements: Neodmyûm0102030405060708090100110120130140150160170180190200210220230240pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
electron affinity
ionization energy
ionization energy of Nd (Neodmyûm)
enthalpy of vaporization
289 kJ/mol
enthalpy of fusion
7,1 kJ/mol
standard enthalpy of formation
326,9 kJ/mol
Kareva
electron shell2, 8, 18, 22, 8, 2
Bohr model: Nd (Neodmyûm)
valence electron2
Lewis structure: Nd (Neodmyûm)
electron configuration[Xe] 4f4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f4 6s2
Enhanced Bohr model of Nd (Neodmyûm)
Orbital Diagram of Nd (Neodmyûm)
oxidation number0, 2, 3, 4
electronegativity
1.14
Electrophilicity Index
1,9177223954003881 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3.347,15 K
Melting Point
1.289,15 K
critical pressure
critical temperature
triple point
appearance
color
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0,0000096 1/K
molar heat capacity
27,45 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,6 MS/m
electrical resistivity
0,00000064 m Ω
superconductivity
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,00000048 m³/Kg
magnetic susceptibility (Molar)
0,000000069235 m³/mol
magnetic susceptibility (Volume)
0,0033648
magnetic ordering
Germahiya Curie
Néel temperature
19,2 K
pêkhate
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,66 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
32 GPa
shear modulus
16 GPa
Young's modulus
41 GPa
Poisson's ratio
0,28
Leza dengê
2.330 m/s
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number29
Mendeleev Number19
Pettifor Number30
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
208 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
49
Neutron Mass Absorption
0,011
quantum number5I4
space group194 (P63/mmc)

Isotopes of Neodymium

Stable Isotopes2
Unstable Isotopes38
Natural Isotopes7
Isotopic Composition14227.15%14227.15%14423.80%14423.80%14617.19%14617.19%14312.17%14312.17%1458.29%1458.29%1485.76%1485.76%1505.64%1505.64%

124Nd

Hejmara baristeyî124
neutron number64
Giraniya atomê
123,951873 ± 0,000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê
parity+

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

125Nd

Hejmara baristeyî125
neutron number65
Giraniya atomê
124,948395 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
650 ± 150 ms
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)0%

126Nd

Hejmara baristeyî126
neutron number66
Giraniya atomê
125,942694 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2000
parity+

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

127Nd

Hejmara baristeyî127
neutron number67
Giraniya atomê
126,939978 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,8 ± 0,4 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1983
parity+

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

128Nd

Hejmara baristeyî128
neutron number68
Giraniya atomê
127,935018 ± 0,000215 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1985
parity+

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

129Nd

Hejmara baristeyî129
neutron number69
Giraniya atomê
128,933038 ± 0,000217 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6,8 ± 0,6 s
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1977
parity-

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

130Nd

Hejmara baristeyî130
neutron number70
Giraniya atomê
129,928506 ± 0,00003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
21 ± 3 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

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

131Nd

Hejmara baristeyî131
neutron number71
Giraniya atomê
130,92724802 ± 0,000029541 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
25,4 ± 0,9 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1977
parity+

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

132Nd

Hejmara baristeyî132
neutron number72
Giraniya atomê
131,923321237 ± 0,000025985 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,56 ± 0,1 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

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

133Nd

Hejmara baristeyî133
neutron number73
Giraniya atomê
132,922348 ± 0,00005 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
70 ± 10 s
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1977
parity+

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

134Nd

Hejmara baristeyî134
neutron number74
Giraniya atomê
133,918790207 ± 0,000012686 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8,5 ± 1,5 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1970
parity+

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

135Nd

Hejmara baristeyî135
neutron number75
Giraniya atomê
134,918181318 ± 0,000020534 Da
g-factor
-0,17333333333333 ± 0,0066666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
12,4 ± 0,6 m
spin9/2
nuclear quadrupole moment
1,9 ± 0,5
dema îcadkirinê yan keşfê1970
parity-

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

136Nd

Hejmara baristeyî136
neutron number76
Giraniya atomê
135,914976061 ± 0,000012686 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
50,65 ± 0,33 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1968
parity+

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

137Nd

Hejmara baristeyî137
neutron number77
Giraniya atomê
136,914563099 ± 0,000012586 Da
g-factor
-1,264 ± 0,01
natural abundance
radioactivity☢️ radioactive element
half-life
38,5 ± 1,5 m
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1970
parity+

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

138Nd

Hejmara baristeyî138
neutron number78
Giraniya atomê
137,911950938 ± 0,000012456 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
5,04 ± 0,09 h
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1965
parity+

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

139Nd

Hejmara baristeyî139
neutron number79
Giraniya atomê
138,911951208 ± 0,000029545 Da
g-factor
0,60333333333333 ± 0,0046666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
29,7 ± 0,5 m
spin3/2
nuclear quadrupole moment
0,28 ± 0,09
dema îcadkirinê yan keşfê1951
parity+

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

140Nd

Hejmara baristeyî140
neutron number80
Giraniya atomê
139,90954613 ± 0,0000035 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,37 ± 0,02 d
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1949
parity+

decay modeintensity
ϵ (electron capture)100%

141Nd

Hejmara baristeyî141
neutron number81
Giraniya atomê
140,90961669 ± 0,000003417 Da
g-factor
0,67333333333333 ± 0,006
natural abundance
radioactivity☢️ radioactive element
half-life
2,49 ± 0,03 h
spin3/2
nuclear quadrupole moment
0,32 ± 0,13
dema îcadkirinê yan keşfê1949
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)97.28%
e+ (positron emission)2.72%

142Nd

Hejmara baristeyî142
neutron number82
Giraniya atomê
141,907728824 ± 0,000001348 Da
g-factor
0
natural abundance
27,153 ± 0,04
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1924
parity+

143Nd

Hejmara baristeyî143
neutron number83
Giraniya atomê
142,909819815 ± 0,000001347 Da
g-factor
-0,30428571428571 ± 0,0014285714285714
natural abundance
12,173 ± 0,026
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
-0,61 ± 0,02
dema îcadkirinê yan keşfê1933
parity-

144Nd

Hejmara baristeyî144
neutron number84
Giraniya atomê
143,910092798 ± 0,000001346 Da
g-factor
0
natural abundance
23,798 ± 0,019
radioactivity☢️ radioactive element
half-life
2,29 ± 0,16 Py
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1924
parity+

decay modeintensity
α (α emission)100%

145Nd

Hejmara baristeyî145
neutron number85
Giraniya atomê
144,912579151 ± 0,000001364 Da
g-factor
-0,18742857142857 ± 0,0011428571428571
natural abundance
8,293 ± 0,012
radioactivity☢️ radioactive element
half-life
spin7/2
nuclear quadrupole moment
-0,314 ± 0,012
dema îcadkirinê yan keşfê1933
parity-

decay modeintensity
α (α emission)

146Nd

Hejmara baristeyî146
neutron number86
Giraniya atomê
145,913122459 ± 0,000001366 Da
g-factor
0
natural abundance
17,189 ± 0,032
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1924
parity+

decay modeintensity
(double β decay)
α (α emission)

147Nd

Hejmara baristeyî147
neutron number87
Giraniya atomê
146,916105969 ± 0,000001368 Da
g-factor
0,2216 ± 0,004
natural abundance
radioactivity☢️ radioactive element
half-life
10,98 ± 0,01 d
spin5/2
nuclear quadrupole moment
0,9 ± 0,3
dema îcadkirinê yan keşfê1947
parity-

decay modeintensity
β (β decay)100%

148Nd

Hejmara baristeyî148
neutron number88
Giraniya atomê
147,916899027 ± 0,000002203 Da
g-factor
0
natural abundance
5,756 ± 0,021
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1937
parity+

decay modeintensity
(double β decay)
α (α emission)

149Nd

Hejmara baristeyî149
neutron number89
Giraniya atomê
148,920154583 ± 0,000002205 Da
g-factor
0,1404 ± 0,004
natural abundance
radioactivity☢️ radioactive element
half-life
1,728 ± 0,001 h
spin5/2
nuclear quadrupole moment
1,3 ± 0,3
dema îcadkirinê yan keşfê1938
parity-

decay modeintensity
β (β decay)100%

150Nd

Hejmara baristeyî150
neutron number90
Giraniya atomê
149,920901322 ± 0,000001211 Da
g-factor
0
natural abundance
5,638 ± 0,028
radioactivity☢️ radioactive element
half-life
9,3 ± 0,7 Ey
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1937
parity+

decay modeintensity
(double β decay)100%

151Nd

Hejmara baristeyî151
neutron number91
Giraniya atomê
150,923839363 ± 0,000001215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
12,44 ± 0,07 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1938
parity+

decay modeintensity
β (β decay)100%

152Nd

Hejmara baristeyî152
neutron number92
Giraniya atomê
151,924691242 ± 0,000026276 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
11,4 ± 0,2 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1969
parity+

decay modeintensity
β (β decay)100%

153Nd

Hejmara baristeyî153
neutron number93
Giraniya atomê
152,927717868 ± 0,000002949 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
31,6 ± 1 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1987
parity

decay modeintensity
β (β decay)100%

154Nd

Hejmara baristeyî154
neutron number94
Giraniya atomê
153,929597404 ± 0,0000011 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
25,9 ± 0,2 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1970
parity+

decay modeintensity
β (β decay)100%

155Nd

Hejmara baristeyî155
neutron number95
Giraniya atomê
154,933135598 ± 0,000009826 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,9 ± 0,2 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1986
parity-

decay modeintensity
β (β decay)100%

156Nd

Hejmara baristeyî156
neutron number96
Giraniya atomê
155,935370358 ± 0,0000014 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
5,06 ± 0,13 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1987
parity+

decay modeintensity
β (β decay)100%

157Nd

Hejmara baristeyî157
neutron number97
Giraniya atomê
156,939351074 ± 0,000002294 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,15 ± 0,03 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1992
parity-

decay modeintensity
β (β decay)100%

158Nd

Hejmara baristeyî158
neutron number98
Giraniya atomê
157,94220562 ± 0,0000014 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
810 ± 30 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1992
parity+

decay modeintensity
β (β decay)100%

159Nd

Hejmara baristeyî159
neutron number99
Giraniya atomê
158,946619085 ± 0,000032 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
500 ± 30 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2012
parity+

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

160Nd

Hejmara baristeyî160
neutron number100
Giraniya atomê
159,949839172 ± 0,00005 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
439 ± 37 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1985
parity+

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

161Nd

Hejmara baristeyî161
neutron number101
Giraniya atomê
160,954664 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
215 ± 76 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2012
parity-

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

162Nd

Hejmara baristeyî162
neutron number102
Giraniya atomê
161,958121 ± 0,000429 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
310 ± 200 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2012
parity+

decay modeintensity
β (β decay)100%

163Nd

Hejmara baristeyî163
neutron number103
Giraniya atomê
162,963414 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2018
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
Neodym 1

dîrok

kaşîf an îcadkerC.F. Aver von Welsbach
location of discoveryAustria
dema îcadkirinê yan keşfê1925
BêjenasîGreek: neos and didymos (new twin).
pronunciationnee-eh-DIM-i-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
41,5 mg/kg
natural abundance (Okyanûs)
0,0000028 mg/L
natural abundance (human body)
natural abundance (meteoroid)
0,00005 %
natural abundance (Roj)
0,0000003 %
Abundance in Universe
0,000001 %

Nuclear Screening Constants

1s1.1868
2p4.2434
2s15.7838
3d13.8432
3p19.311
3s19.6572
4d33.1908
4f37.734
4p29.986
4s29.0136
5p43.039
5s41.2575
6s50.6934