Neodymium (Nd)

chemical element with the atomic number of 60 and symbol Nd

Atomic Number	60
Atomic Weight	144.242
mass number	142

Group
Period	6
Block	f

proton	60 p⁺
neutron	82 n⁰
electron	60 e^-

Physical Property

Atomic Radius	185 pm 284 pm
molar volume	20.6 cm³/mol
Covalent Radius	174 pm 137 pm 201 pm
Metallic Radius
ionic radius	129 pm 135 pm 98.3 pm 110.9 pm 116.3 pm 127 pm
Crystal Radius	143 pm 149 pm 112.3 pm 124.9 pm 130.3 pm 141 pm
Van der Waals radius	239 pm 273 pm 357.5 pm
density	7.01 g/cm³ 6890 kg/m³

Chemical Property

{ERROR}

energia

proton affinity
electron affinity	1.916 eV/particle
ionization energy	5.525 eV/particle 10.72 eV/particle 22.14 eV/particle 40.4 eV/particle 60 eV/particle 84 eV/particle 99 eV/particle 114 eV/particle 136 eV/particle 152 eV/particle 168 eV/particle 195 eV/particle 221 eV/particle 243 eV/particle 389 eV/particle 420 eV/particle 453 eV/particle 489 eV/particle 522 eV/particle 562 eV/particle 602 eV/particle 638 eV/particle 678 eV/particle 714 eV/particle 859 eV/particle 896 eV/particle 939 eV/particle 978 eV/particle 1049 eV/particle 1092 eV/particle 1191 eV/particle 1238.42 eV/particle 2134 eV/particle 2224 eV/particle 2321 eV/particle 2425 eV/particle 2525 eV/particle 2627 eV/particle 2758 eV/particle 2861 eV/particle 2974 eV/particle 3078 eV/particle 3371 eV/particle 3465 eV/particle 3567 eV/particle 3662 eV/particle 3891 eV/particle 3997 eV/particle 4198 eV/particle 4302 eV/particle 9742 eV/particle 10002 eV/particle 10288 eV/particle 10555 eV/particle 11384 eV/particle 11694 eV/particle 12082 eV/particle 12341.66 eV/particle 50339.587 eV/particle 51515.58 eV/particle

enthalpy of vaporization	289 kJ/mol
enthalpy of fusion	7.1 kJ/mol
standard enthalpy of formation	326.9 kJ/mol
electron

Tegimen electronicum	2, 8, 18, 22, 8, 2

valence electron	2 ⓘ

electron configuration	[Xe] 4f⁴ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f⁴ 6s²

oxidation number	0, 2, 3, 4
electronegativity	0.176539 1.14
Electrophilicity Index	1.9177223954003881 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	3347.15 K
Melting Point	1289.15 K
critical pressure
critical temperature
Punctum triplex
appearance
Color	Black #ff1493 #c7ffc7 #c7ffc7
appearance	silvery 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	0.19 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
electrical conductivity	1.6 MS/m
electrical resistivity	0.00000064 Ω*m
Superconductrum
magnetism
type	paramagnetic
magnetic susceptibility (Mass)	0.00000048 m³/Kg
magnetic susceptibility (Molar)	0.000000069235 m³/mol
magnetic susceptibility (Volume)	0.0033648
magnetic ordering
Curie temperature
Néel temperature	19.2 K
structure
Crystal Structure	{ERROR}
lattice constant	3.66 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	265 MPa 343 MPa
bulk modulus	32 GPa
shear modulus	16 GPa
Young's modulus	41 GPa
Poisson's ratio	0.28
celeritas soni	2330 m/s
classificare
Category	Actinides, Lanthanides
CAS Group
IUPAC Group
Glawe Number	29
Mendeleev Number	19
Pettifor Number	30
Geochemical Class	rare earth & related
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	208 ± 20 a₀
C6 Dispersion Coefficient	3560 a₀
allotrope
Neutron cross section	49
Neutron Mass Absorption	0.011
quantum number	5I4
space group	194 (P63/mmc)

Isotopes of Neodymium

Stable Isotopes	2
Unstable Isotopes	38
Natural Isotopes	7

¹²⁴Nd

mass number	124
neutron number	64
Relative Atomic Mass	123.951873 ± 0.000537 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life
Volubilitas	0
nuclear quadrupole moment	0
repertus
parity	+

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

¹²⁵Nd

mass number	125
neutron number	65
Relative Atomic Mass	124.948395 ± 0.000429 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	650 ± 150 ms
Volubilitas	5/2
nuclear quadrupole moment
repertus	1999
parity

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0%

¹²⁶Nd

mass number	126
neutron number	66
Relative Atomic Mass	125.942694 ± 0.000322 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life
Volubilitas	0
nuclear quadrupole moment	0
repertus	2000
parity	+

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

¹²⁷Nd

mass number	127
neutron number	67
Relative Atomic Mass	126.939978 ± 0.000322 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	1.8 ± 0.4 s
Volubilitas	5/2
nuclear quadrupole moment
repertus	1983
parity	+

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

¹²⁸Nd

mass number	128
neutron number	68
Relative Atomic Mass	127.935018 ± 0.000215 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life
Volubilitas	0
nuclear quadrupole moment	0
repertus	1985
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹²⁹Nd

mass number	129
neutron number	69
Relative Atomic Mass	128.933038 ± 0.000217 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	6.8 ± 0.6 s
Volubilitas	7/2
nuclear quadrupole moment
repertus	1977
parity	-

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

¹³⁰Nd

mass number	130
neutron number	70
Relative Atomic Mass	129.928506 ± 0.00003 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	21 ± 3 s
Volubilitas	0
nuclear quadrupole moment	0
repertus	1977
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³¹Nd

mass number	131
neutron number	71
Relative Atomic Mass	130.92724802 ± 0.000029541 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	25.4 ± 0.9 s
Volubilitas	5/2
nuclear quadrupole moment
repertus	1977
parity	+

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

¹³²Nd

mass number	132
neutron number	72
Relative Atomic Mass	131.923321237 ± 0.000025985 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	1.56 ± 0.1 m
Volubilitas	0
nuclear quadrupole moment	0
repertus	1977
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³³Nd

mass number	133
neutron number	73
Relative Atomic Mass	132.922348 ± 0.00005 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	70 ± 10 s
Volubilitas	7/2
nuclear quadrupole moment
repertus	1977
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁴Nd

mass number	134
neutron number	74
Relative Atomic Mass	133.918790207 ± 0.000012686 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	8.5 ± 1.5 m
Volubilitas	0
nuclear quadrupole moment	0
repertus	1970
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁵Nd

mass number	135
neutron number	75
Relative Atomic Mass	134.918181318 ± 0.000020534 Da
g-factor	-0.17333333333333 ± 0.0066666666666667
natural abundance
radioactivitas	☢️ radioactive element
half-life	12.4 ± 0.6 m
Volubilitas	9/2
nuclear quadrupole moment	1.9 ± 0.5
repertus	1970
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁶Nd

mass number	136
neutron number	76
Relative Atomic Mass	135.914976061 ± 0.000012686 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	50.65 ± 0.33 m
Volubilitas	0
nuclear quadrupole moment	0
repertus	1968
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁷Nd

mass number	137
neutron number	77
Relative Atomic Mass	136.914563099 ± 0.000012586 Da
g-factor	-1.264 ± 0.01
natural abundance
radioactivitas	☢️ radioactive element
half-life	38.5 ± 1.5 m
Volubilitas	1/2
nuclear quadrupole moment	0
repertus	1970
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁸Nd

mass number	138
neutron number	78
Relative Atomic Mass	137.911950938 ± 0.000012456 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	5.04 ± 0.09 h
Volubilitas	0
nuclear quadrupole moment	0
repertus	1965
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁹Nd

mass number	139
neutron number	79
Relative Atomic Mass	138.911951208 ± 0.000029545 Da
g-factor	0.60333333333333 ± 0.0046666666666667
natural abundance
radioactivitas	☢️ radioactive element
half-life	29.7 ± 0.5 m
Volubilitas	3/2
nuclear quadrupole moment	0.28 ± 0.09
repertus	1951
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁴⁰Nd

mass number	140
neutron number	80
Relative Atomic Mass	139.90954613 ± 0.0000035 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	3.37 ± 0.02 d
Volubilitas	0
nuclear quadrupole moment	0
repertus	1949
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁴¹Nd

mass number	141
neutron number	81
Relative Atomic Mass	140.90961669 ± 0.000003417 Da
g-factor	0.67333333333333 ± 0.006
natural abundance
radioactivitas	☢️ radioactive element
half-life	2.49 ± 0.03 h
Volubilitas	3/2
nuclear quadrupole moment	0.32 ± 0.13
repertus	1949
parity	+

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

¹⁴²Nd

mass number	142
neutron number	82
Relative Atomic Mass	141.907728824 ± 0.000001348 Da
g-factor	0
natural abundance	27.153 ± 0.04
radioactivitas	stable isotope
half-life	Not Radioactive ☢️
Volubilitas	0
nuclear quadrupole moment	0
repertus	1924
parity	+

¹⁴³Nd

mass number	143
neutron number	83
Relative Atomic Mass	142.909819815 ± 0.000001347 Da
g-factor	-0.30428571428571 ± 0.0014285714285714
natural abundance	12.173 ± 0.026
radioactivitas	stable isotope
half-life	Not Radioactive ☢️
Volubilitas	7/2
nuclear quadrupole moment	-0.61 ± 0.02
repertus	1933
parity	-

¹⁴⁴Nd

mass number	144
neutron number	84
Relative Atomic Mass	143.910092798 ± 0.000001346 Da
g-factor	0
natural abundance	23.798 ± 0.019
radioactivitas	☢️ radioactive element
half-life	2.29 ± 0.16 Py
Volubilitas	0
nuclear quadrupole moment	0
repertus	1924
parity	+

decay mode	intensity
α (α emission)	100%

¹⁴⁵Nd

mass number	145
neutron number	85
Relative Atomic Mass	144.912579151 ± 0.000001364 Da
g-factor	-0.18742857142857 ± 0.0011428571428571
natural abundance	8.293 ± 0.012
radioactivitas	☢️ radioactive element
half-life
Volubilitas	7/2
nuclear quadrupole moment	-0.314 ± 0.012
repertus	1933
parity	-

decay mode	intensity
α (α emission)

¹⁴⁶Nd

mass number	146
neutron number	86
Relative Atomic Mass	145.913122459 ± 0.000001366 Da
g-factor	0
natural abundance	17.189 ± 0.032
radioactivitas	☢️ radioactive element
half-life
Volubilitas	0
nuclear quadrupole moment	0
repertus	1924
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)
α (α emission)

¹⁴⁷Nd

mass number	147
neutron number	87
Relative Atomic Mass	146.916105969 ± 0.000001368 Da
g-factor	0.2216 ± 0.004
natural abundance
radioactivitas	☢️ radioactive element
half-life	10.98 ± 0.01 d
Volubilitas	5/2
nuclear quadrupole moment	0.9 ± 0.3
repertus	1947
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁸Nd

mass number	148
neutron number	88
Relative Atomic Mass	147.916899027 ± 0.000002203 Da
g-factor	0
natural abundance	5.756 ± 0.021
radioactivitas	☢️ radioactive element
half-life
Volubilitas	0
nuclear quadrupole moment	0
repertus	1937
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)
α (α emission)

¹⁴⁹Nd

mass number	149
neutron number	89
Relative Atomic Mass	148.920154583 ± 0.000002205 Da
g-factor	0.1404 ± 0.004
natural abundance
radioactivitas	☢️ radioactive element
half-life	1.728 ± 0.001 h
Volubilitas	5/2
nuclear quadrupole moment	1.3 ± 0.3
repertus	1938
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁰Nd

mass number	150
neutron number	90
Relative Atomic Mass	149.920901322 ± 0.000001211 Da
g-factor	0
natural abundance	5.638 ± 0.028
radioactivitas	☢️ radioactive element
half-life	9.3 ± 0.7 Ey
Volubilitas	0
nuclear quadrupole moment	0
repertus	1937
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)	100%

¹⁵¹Nd

mass number	151
neutron number	91
Relative Atomic Mass	150.923839363 ± 0.000001215 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	12.44 ± 0.07 m
Volubilitas	3/2
nuclear quadrupole moment
repertus	1938
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵²Nd

mass number	152
neutron number	92
Relative Atomic Mass	151.924691242 ± 0.000026276 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	11.4 ± 0.2 m
Volubilitas	0
nuclear quadrupole moment	0
repertus	1969
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵³Nd

mass number	153
neutron number	93
Relative Atomic Mass	152.927717868 ± 0.000002949 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	31.6 ± 1 s
Volubilitas	3/2
nuclear quadrupole moment
repertus	1987
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁴Nd

mass number	154
neutron number	94
Relative Atomic Mass	153.929597404 ± 0.0000011 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	25.9 ± 0.2 s
Volubilitas	0
nuclear quadrupole moment	0
repertus	1970
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁵Nd

mass number	155
neutron number	95
Relative Atomic Mass	154.933135598 ± 0.000009826 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	8.9 ± 0.2 s
Volubilitas	3/2
nuclear quadrupole moment
repertus	1986
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁶Nd

mass number	156
neutron number	96
Relative Atomic Mass	155.935370358 ± 0.0000014 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	5.06 ± 0.13 s
Volubilitas	0
nuclear quadrupole moment	0
repertus	1987
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁷Nd

mass number	157
neutron number	97
Relative Atomic Mass	156.939351074 ± 0.000002294 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	1.15 ± 0.03 s
Volubilitas	5/2
nuclear quadrupole moment
repertus	1992
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁸Nd

mass number	158
neutron number	98
Relative Atomic Mass	157.94220562 ± 0.0000014 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	810 ± 30 ms
Volubilitas	0
nuclear quadrupole moment	0
repertus	1992
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁹Nd

mass number	159
neutron number	99
Relative Atomic Mass	158.946619085 ± 0.000032 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	500 ± 30 ms
Volubilitas	7/2
nuclear quadrupole moment
repertus	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁶⁰Nd

mass number	160
neutron number	100
Relative Atomic Mass	159.949839172 ± 0.00005 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	439 ± 37 ms
Volubilitas	0
nuclear quadrupole moment	0
repertus	1985
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁶¹Nd

mass number	161
neutron number	101
Relative Atomic Mass	160.954664 ± 0.000429 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life	215 ± 76 ms
Volubilitas	1/2
nuclear quadrupole moment	0
repertus	2012
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁶²Nd

mass number	162
neutron number	102
Relative Atomic Mass	161.958121 ± 0.000429 Da
g-factor	0
natural abundance
radioactivitas	☢️ radioactive element
half-life	310 ± 200 ms
Volubilitas	0
nuclear quadrupole moment	0
repertus	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁶³Nd

mass number	163
neutron number	103
Relative Atomic Mass	162.963414 ± 0.000537 Da
g-factor
natural abundance
radioactivitas	☢️ radioactive element
half-life
Volubilitas	5/2
nuclear quadrupole moment
repertus	2018
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

historia

inventor	C.F. Aver von Welsbach
location of discovery	Austria
repertus	1925
Etymologia	Greek: neos and didymos (new twin).
pronunciation	nee-eh-DIM-i-em (English)

source

Abundance
Abundance in Earth's crust	41.5 mg/kg
natural abundance (Oceanus)	0.0000028 mg/L
natural abundance (Corpus humanum)
natural abundance (Meteoroides)	0.00005 %
natural abundance (Sol)	0.0000003 %
Abundance in Universe	0.000001 %

Nuclear Screening Constants

1	s	1.1868
2	p	4.2434
2	s	15.7838
3	d	13.8432
3	p	19.311
3	s	19.6572
4	d	33.1908
4	f	37.734
4	p	29.986
4	s	29.0136
5	p	43.039
5	s	41.2575
6	s	50.6934

Neodymium on ChemicalAid

Neodymium (Nd)

Physical Property

Chemical Property

other

Isotopes of Neodymium

124Nd

125Nd

126Nd

127Nd

128Nd

129Nd

130Nd

131Nd

132Nd

133Nd

134Nd

135Nd

136Nd

137Nd

138Nd

139Nd

140Nd

141Nd

142Nd

143Nd

144Nd

145Nd

146Nd

147Nd

148Nd

149Nd

150Nd

151Nd

152Nd

153Nd

154Nd

155Nd

156Nd

157Nd

158Nd

159Nd

160Nd

161Nd

162Nd

163Nd

historia

source

Nuclear Screening Constants

¹²⁴Nd

¹²⁵Nd

¹²⁶Nd

¹²⁷Nd

¹²⁸Nd

¹²⁹Nd

¹³⁰Nd

¹³¹Nd

¹³²Nd

¹³³Nd

¹³⁴Nd

¹³⁵Nd

¹³⁶Nd

¹³⁷Nd

¹³⁸Nd

¹³⁹Nd

¹⁴⁰Nd

¹⁴¹Nd

¹⁴²Nd

¹⁴³Nd

¹⁴⁴Nd

¹⁴⁵Nd

¹⁴⁶Nd

¹⁴⁷Nd

¹⁴⁸Nd

¹⁴⁹Nd

¹⁵⁰Nd

¹⁵¹Nd

¹⁵²Nd

¹⁵³Nd

¹⁵⁴Nd

¹⁵⁵Nd

¹⁵⁶Nd

¹⁵⁷Nd

¹⁵⁸Nd

¹⁵⁹Nd

¹⁶⁰Nd

¹⁶¹Nd

¹⁶²Nd

¹⁶³Nd