Neodimium

Neodimium (Nd)

chemical element with the atomic number of 60 and symbol Nd
Atomic Number60
Atomic Weight144.242
Nombor jisim142
Group
Period6
Blockf
proton60 p+
neutron82 n0
Elektron60 e-
Animated Model Bohr of Nd (Neodimium)

Sifat Fizikal

Jejari Atom
185 pm
molar volume
Jejari kovalen
174 pm
Metallic Radius
ionic radius
129 pm
Crystal Radius
143 pm
Jejari van der Waals
239 pm
ketumpatan
7.01 g/cm³
Atomic Radii Of The Elements: Neodimium0102030405060708090100110120130140150160170180190200210220230240pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
ionization energy of Nd (Neodimium)
Entalpi pengewapan
289 kJ/mol
entalpi pelakuran
7.1 kJ/mol
standard enthalpy of formation
326.9 kJ/mol
Elektron
Petala elektron2, 8, 18, 22, 8, 2
Model Bohr: Nd (Neodimium)
Elektron valens2
Teori ion Lewis: Nd (Neodimium)
tatarajah elektron[Xe] 4f4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f4 6s2
Enhanced Model Bohr of Nd (Neodimium)
Orbital Diagram of Nd (Neodimium)
Keadaan pengoksidaan0, 2, 3, 4
Keelektronegatifan
1.14
Electrophilicity Index
1.9177223954003881 eV/particle
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
3,347.15 K
Melting Point
1,289.15 K
critical pressure
critical temperature
triple point
rupa
warna
Silver
rupasilvery white
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
0.0000096 1/K
molar heat capacity
27.45 J/(mol K)
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Kekonduksian elektrik
1.6 MS/m
Kerintangan dan kekonduksian elektrik
0.00000064 m Ω
Kesuperkonduksian
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.00000048 m³/Kg
magnetic susceptibility (Molar)
0.000000069235 m³/mol
magnetic susceptibility (Volume)
0.0033648
magnetic ordering
Suhu Curie
Néel temperature
19.2 K
struktur
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3.66 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
Modulus pukal
32 GPa
shear modulus
16 GPa
Young's modulus
41 GPa
Nisbah Poisson
0.28
Kelajuan bunyi
2,330 m/s
pengelasan
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
Nombor kuantum5I4
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

Nombor jisim124
nombor neutron64
jisim atom relatif
123.951873 ± 0.000537 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan
parity+

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

125Nd

Nombor jisim125
nombor neutron65
jisim atom relatif
124.948395 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
650 ± 150 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan1999
parity

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

126Nd

Nombor jisim126
nombor neutron66
jisim atom relatif
125.942694 ± 0.000322 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan2000
parity+

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

127Nd

Nombor jisim127
nombor neutron67
jisim atom relatif
126.939978 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.8 ± 0.4 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1983
parity+

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

128Nd

Nombor jisim128
nombor neutron68
jisim atom relatif
127.935018 ± 0.000215 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1985
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)

129Nd

Nombor jisim129
nombor neutron69
jisim atom relatif
128.933038 ± 0.000217 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
6.8 ± 0.6 s
Spin7/2
nuclear quadrupole moment
tarikh penemuan1977
parity-

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

130Nd

Nombor jisim130
nombor neutron70
jisim atom relatif
129.928506 ± 0.00003 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
21 ± 3 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1977
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

131Nd

Nombor jisim131
nombor neutron71
jisim atom relatif
130.92724802 ± 0.000029541 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
25.4 ± 0.9 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1977
parity+

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

132Nd

Nombor jisim132
nombor neutron72
jisim atom relatif
131.923321237 ± 0.000025985 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.56 ± 0.1 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1977
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

133Nd

Nombor jisim133
nombor neutron73
jisim atom relatif
132.922348 ± 0.00005 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
70 ± 10 s
Spin7/2
nuclear quadrupole moment
tarikh penemuan1977
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

134Nd

Nombor jisim134
nombor neutron74
jisim atom relatif
133.918790207 ± 0.000012686 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8.5 ± 1.5 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1970
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

135Nd

Nombor jisim135
nombor neutron75
jisim atom relatif
134.918181318 ± 0.000020534 Da
g-factor
-0.17333333333333 ± 0.0066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12.4 ± 0.6 m
Spin9/2
nuclear quadrupole moment
1.9 ± 0.5
tarikh penemuan1970
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

136Nd

Nombor jisim136
nombor neutron76
jisim atom relatif
135.914976061 ± 0.000012686 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
50.65 ± 0.33 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1968
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

137Nd

Nombor jisim137
nombor neutron77
jisim atom relatif
136.914563099 ± 0.000012586 Da
g-factor
-1.264 ± 0.01
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
38.5 ± 1.5 m
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1970
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

138Nd

Nombor jisim138
nombor neutron78
jisim atom relatif
137.911950938 ± 0.000012456 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.04 ± 0.09 h
Spin0
nuclear quadrupole moment
0
tarikh penemuan1965
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

139Nd

Nombor jisim139
nombor neutron79
jisim atom relatif
138.911951208 ± 0.000029545 Da
g-factor
0.60333333333333 ± 0.0046666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
29.7 ± 0.5 m
Spin3/2
nuclear quadrupole moment
0.28 ± 0.09
tarikh penemuan1951
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

140Nd

Nombor jisim140
nombor neutron80
jisim atom relatif
139.90954613 ± 0.0000035 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.37 ± 0.02 d
Spin0
nuclear quadrupole moment
0
tarikh penemuan1949
parity+

decay modeKeamatan (fizik)
ϵ (electron capture)100%

141Nd

Nombor jisim141
nombor neutron81
jisim atom relatif
140.90961669 ± 0.000003417 Da
g-factor
0.67333333333333 ± 0.006
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.49 ± 0.03 h
Spin3/2
nuclear quadrupole moment
0.32 ± 0.13
tarikh penemuan1949
parity+

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

142Nd

Nombor jisim142
nombor neutron82
jisim atom relatif
141.907728824 ± 0.000001348 Da
g-factor
0
natural abundance
27.153 ± 0.04
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1924
parity+

143Nd

Nombor jisim143
nombor neutron83
jisim atom relatif
142.909819815 ± 0.000001347 Da
g-factor
-0.30428571428571 ± 0.0014285714285714
natural abundance
12.173 ± 0.026
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin7/2
nuclear quadrupole moment
-0.61 ± 0.02
tarikh penemuan1933
parity-

144Nd

Nombor jisim144
nombor neutron84
jisim atom relatif
143.910092798 ± 0.000001346 Da
g-factor
0
natural abundance
23.798 ± 0.019
Reputan radioaktif☢️ radioactive element
setengah hayat
2.29 ± 0.16 Py
Spin0
nuclear quadrupole moment
0
tarikh penemuan1924
parity+

decay modeKeamatan (fizik)
α (α emission)100%

145Nd

Nombor jisim145
nombor neutron85
jisim atom relatif
144.912579151 ± 0.000001364 Da
g-factor
-0.18742857142857 ± 0.0011428571428571
natural abundance
8.293 ± 0.012
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin7/2
nuclear quadrupole moment
-0.314 ± 0.012
tarikh penemuan1933
parity-

decay modeKeamatan (fizik)
α (α emission)

146Nd

Nombor jisim146
nombor neutron86
jisim atom relatif
145.913122459 ± 0.000001366 Da
g-factor
0
natural abundance
17.189 ± 0.032
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1924
parity+

decay modeKeamatan (fizik)
(double β decay)
α (α emission)

147Nd

Nombor jisim147
nombor neutron87
jisim atom relatif
146.916105969 ± 0.000001368 Da
g-factor
0.2216 ± 0.004
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
10.98 ± 0.01 d
Spin5/2
nuclear quadrupole moment
0.9 ± 0.3
tarikh penemuan1947
parity-

decay modeKeamatan (fizik)
β (β decay)100%

148Nd

Nombor jisim148
nombor neutron88
jisim atom relatif
147.916899027 ± 0.000002203 Da
g-factor
0
natural abundance
5.756 ± 0.021
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1937
parity+

decay modeKeamatan (fizik)
(double β decay)
α (α emission)

149Nd

Nombor jisim149
nombor neutron89
jisim atom relatif
148.920154583 ± 0.000002205 Da
g-factor
0.1404 ± 0.004
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.728 ± 0.001 h
Spin5/2
nuclear quadrupole moment
1.3 ± 0.3
tarikh penemuan1938
parity-

decay modeKeamatan (fizik)
β (β decay)100%

150Nd

Nombor jisim150
nombor neutron90
jisim atom relatif
149.920901322 ± 0.000001211 Da
g-factor
0
natural abundance
5.638 ± 0.028
Reputan radioaktif☢️ radioactive element
setengah hayat
9.3 ± 0.7 Ey
Spin0
nuclear quadrupole moment
0
tarikh penemuan1937
parity+

decay modeKeamatan (fizik)
(double β decay)100%

151Nd

Nombor jisim151
nombor neutron91
jisim atom relatif
150.923839363 ± 0.000001215 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12.44 ± 0.07 m
Spin3/2
nuclear quadrupole moment
tarikh penemuan1938
parity+

decay modeKeamatan (fizik)
β (β decay)100%

152Nd

Nombor jisim152
nombor neutron92
jisim atom relatif
151.924691242 ± 0.000026276 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.4 ± 0.2 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1969
parity+

decay modeKeamatan (fizik)
β (β decay)100%

153Nd

Nombor jisim153
nombor neutron93
jisim atom relatif
152.927717868 ± 0.000002949 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
31.6 ± 1 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan1987
parity

decay modeKeamatan (fizik)
β (β decay)100%

154Nd

Nombor jisim154
nombor neutron94
jisim atom relatif
153.929597404 ± 0.0000011 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
25.9 ± 0.2 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1970
parity+

decay modeKeamatan (fizik)
β (β decay)100%

155Nd

Nombor jisim155
nombor neutron95
jisim atom relatif
154.933135598 ± 0.000009826 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
8.9 ± 0.2 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan1986
parity-

decay modeKeamatan (fizik)
β (β decay)100%

156Nd

Nombor jisim156
nombor neutron96
jisim atom relatif
155.935370358 ± 0.0000014 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.06 ± 0.13 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1987
parity+

decay modeKeamatan (fizik)
β (β decay)100%

157Nd

Nombor jisim157
nombor neutron97
jisim atom relatif
156.939351074 ± 0.000002294 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.15 ± 0.03 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1992
parity-

decay modeKeamatan (fizik)
β (β decay)100%

158Nd

Nombor jisim158
nombor neutron98
jisim atom relatif
157.94220562 ± 0.0000014 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
810 ± 30 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1992
parity+

decay modeKeamatan (fizik)
β (β decay)100%

159Nd

Nombor jisim159
nombor neutron99
jisim atom relatif
158.946619085 ± 0.000032 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
500 ± 30 ms
Spin7/2
nuclear quadrupole moment
tarikh penemuan2012
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

160Nd

Nombor jisim160
nombor neutron100
jisim atom relatif
159.949839172 ± 0.00005 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
439 ± 37 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1985
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

161Nd

Nombor jisim161
nombor neutron101
jisim atom relatif
160.954664 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
215 ± 76 ms
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan2012
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

162Nd

Nombor jisim162
nombor neutron102
jisim atom relatif
161.958121 ± 0.000429 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
310 ± 200 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan2012
parity+

decay modeKeamatan (fizik)
β (β decay)100%

163Nd

Nombor jisim163
nombor neutron103
jisim atom relatif
162.963414 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin5/2
nuclear quadrupole moment
tarikh penemuan2018
parity-

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
Neodym 1

sejarah

penemu atau perekaC.F. Aver von Welsbach
tempat penemuanAustria
tarikh penemuan1925
EtimologiGreek: neos and didymos (new twin).
sebutannee-eh-DIM-i-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
41.5 mg/kg
natural abundance (lautan)
0.0000028 mg/L
natural abundance (Tubuh manusia)
natural abundance (Meteoroid)
0.00005 %
natural abundance (Matahari)
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