Neodym

Neodym (Nd)

grundstof med atomnummer 60
Atomnummer60
Atommasse144.242
mass number142
Gruppe
Periode6
Blokf
proton60 p+
neutron82 n0
elektron60 e-
Animated Bohrs atommodel of Nd (Neodym)

Fysisk Egenskab

Atomradius
molar volume
Kovalent Radius
Metallic Radius
Ionisk radius
Crystal Radius
Van der Waals-radius
massefylde
Atomic Radii Of The Elements: Neodym0102030405060708090100110120130140150160170180190200210220230240pmAtomradiusKovalent RadiusMetallic RadiusVan der Waals-radius

Kemisk Egenskab

energi
proton affinity
electron affinity
ioniseringsenergi
ioniseringsenergi of Nd (Neodym)
Fordampningsvarme
smeltevarme
standard enthalpy of formation
elektron
Elektronskal2, 8, 18, 22, 8, 2
Bohrs atommodel: Nd (Neodym)
Valenselektron2
Elektronprikmodellen: Nd (Neodym)
electron configuration[Xe] 4f4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f4 6s2
Enhanced Bohrs atommodel of Nd (Neodym)
Orbital Diagram of Nd (Neodym)
Oxidationstrin0, 2, 3, 4
Elektronegativitet
1.14
Electrophilicity Index
fundamental state of matter
stoffaseFast stof
gaseous state of matter
Kogepunkt
Smeltepunkt
critical pressure
critical temperature
trippelpunkt
appearance
farve
Silver
appearancesilvery white
Brydningsindeks
materialeegenskab
Varmeledningsevne
Termisk ekspansion
molar heat capacity
Varmefylde
Adiabateksponenten
electrical properties
typeConductor
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
typeparamagnetic
magnetic susceptibility (Mass)
0,00000048 m³/Kg
magnetic susceptibility (Molar)
0,000000069235 m³/mol
magnetic susceptibility (Volume)
0,0033648
magnetic ordering
Curietemperaturen
Néel temperature
struktur
KrystalstrukturSimpel Hexagonal (HEX)
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
0,28
speed of sound
klassificering
KategoriLantanider, Lanthanides
CAS Group
IUPAC Group
Glawe Number29
Mendeleev Number19
Pettifor Number30
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

øvrige

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
49
Neutron Mass Absorption
0,011
quantum number5I4
rumgruppe194 (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

mass number124
neutron number64
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato
Paritet+

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

125Nd

mass number125
neutron number65
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
650 ± 150 ms
spin5/2
nuclear quadrupole moment
opdagelsesdato1999
Paritet

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

126Nd

mass number126
neutron number66
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato2000
Paritet+

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

127Nd

mass number127
neutron number67
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,8 ± 0,4 s
spin5/2
nuclear quadrupole moment
opdagelsesdato1983
Paritet+

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

128Nd

mass number128
neutron number68
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1985
Paritet+

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

129Nd

mass number129
neutron number69
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
6,8 ± 0,6 s
spin7/2
nuclear quadrupole moment
opdagelsesdato1977
Paritet-

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

130Nd

mass number130
neutron number70
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
21 ± 3 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1977
Paritet+

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

131Nd

mass number131
neutron number71
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
25,4 ± 0,9 s
spin5/2
nuclear quadrupole moment
opdagelsesdato1977
Paritet+

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

132Nd

mass number132
neutron number72
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,56 ± 0,1 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1977
Paritet+

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

133Nd

mass number133
neutron number73
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
70 ± 10 s
spin7/2
nuclear quadrupole moment
opdagelsesdato1977
Paritet+

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

134Nd

mass number134
neutron number74
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
8,5 ± 1,5 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1970
Paritet+

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

135Nd

mass number135
neutron number75
Relative Atomic Mass
g-factor
-0,17333333333333 ± 0,0066666666666667
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
12,4 ± 0,6 m
spin9/2
nuclear quadrupole moment
1,9 ± 0,5
opdagelsesdato1970
Paritet-

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

136Nd

mass number136
neutron number76
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
50,65 ± 0,33 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1968
Paritet+

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

137Nd

mass number137
neutron number77
Relative Atomic Mass
g-factor
-1,264 ± 0,01
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
38,5 ± 1,5 m
spin1/2
nuclear quadrupole moment
0
opdagelsesdato1970
Paritet+

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

138Nd

mass number138
neutron number78
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
5,04 ± 0,09 h
spin0
nuclear quadrupole moment
0
opdagelsesdato1965
Paritet+

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

139Nd

mass number139
neutron number79
Relative Atomic Mass
g-factor
0,60333333333333 ± 0,0046666666666667
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
29,7 ± 0,5 m
spin3/2
nuclear quadrupole moment
0,28 ± 0,09
opdagelsesdato1951
Paritet+

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

140Nd

mass number140
neutron number80
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
3,37 ± 0,02 d
spin0
nuclear quadrupole moment
0
opdagelsesdato1949
Paritet+

decay modeIntensitet
ϵ (electron capture)100%

141Nd

mass number141
neutron number81
Relative Atomic Mass
g-factor
0,67333333333333 ± 0,006
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
2,49 ± 0,03 h
spin3/2
nuclear quadrupole moment
0,32 ± 0,13
opdagelsesdato1949
Paritet+

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

142Nd

mass number142
neutron number82
Relative Atomic Mass
g-factor
0
natural abundance
27,153 ± 0,04
radioaktivitetstable isotope
halveringstidNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
opdagelsesdato1924
Paritet+

143Nd

mass number143
neutron number83
Relative Atomic Mass
g-factor
-0,30428571428571 ± 0,0014285714285714
natural abundance
12,173 ± 0,026
radioaktivitetstable isotope
halveringstidNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
-0,61 ± 0,02
opdagelsesdato1933
Paritet-

144Nd

mass number144
neutron number84
Relative Atomic Mass
g-factor
0
natural abundance
23,798 ± 0,019
radioaktivitet☢️ radioactive element
halveringstid
2,29 ± 0,16 Py
spin0
nuclear quadrupole moment
0
opdagelsesdato1924
Paritet+

decay modeIntensitet
α (α emission)100%

145Nd

mass number145
neutron number85
Relative Atomic Mass
g-factor
-0,18742857142857 ± 0,0011428571428571
natural abundance
8,293 ± 0,012
radioaktivitet☢️ radioactive element
halveringstid
spin7/2
nuclear quadrupole moment
-0,314 ± 0,012
opdagelsesdato1933
Paritet-

decay modeIntensitet
α (α emission)

146Nd

mass number146
neutron number86
Relative Atomic Mass
g-factor
0
natural abundance
17,189 ± 0,032
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1924
Paritet+

decay modeIntensitet
(double β decay)
α (α emission)

147Nd

mass number147
neutron number87
Relative Atomic Mass
g-factor
0,2216 ± 0,004
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
10,98 ± 0,01 d
spin5/2
nuclear quadrupole moment
0,9 ± 0,3
opdagelsesdato1947
Paritet-

decay modeIntensitet
β (β decay)100%

148Nd

mass number148
neutron number88
Relative Atomic Mass
g-factor
0
natural abundance
5,756 ± 0,021
radioaktivitet☢️ radioactive element
halveringstid
spin0
nuclear quadrupole moment
0
opdagelsesdato1937
Paritet+

decay modeIntensitet
(double β decay)
α (α emission)

149Nd

mass number149
neutron number89
Relative Atomic Mass
g-factor
0,1404 ± 0,004
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,728 ± 0,001 h
spin5/2
nuclear quadrupole moment
1,3 ± 0,3
opdagelsesdato1938
Paritet-

decay modeIntensitet
β (β decay)100%

150Nd

mass number150
neutron number90
Relative Atomic Mass
g-factor
0
natural abundance
5,638 ± 0,028
radioaktivitet☢️ radioactive element
halveringstid
9,3 ± 0,7 Ey
spin0
nuclear quadrupole moment
0
opdagelsesdato1937
Paritet+

decay modeIntensitet
(double β decay)100%

151Nd

mass number151
neutron number91
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
12,44 ± 0,07 m
spin3/2
nuclear quadrupole moment
opdagelsesdato1938
Paritet+

decay modeIntensitet
β (β decay)100%

152Nd

mass number152
neutron number92
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
11,4 ± 0,2 m
spin0
nuclear quadrupole moment
0
opdagelsesdato1969
Paritet+

decay modeIntensitet
β (β decay)100%

153Nd

mass number153
neutron number93
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
31,6 ± 1 s
spin3/2
nuclear quadrupole moment
opdagelsesdato1987
Paritet

decay modeIntensitet
β (β decay)100%

154Nd

mass number154
neutron number94
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
25,9 ± 0,2 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1970
Paritet+

decay modeIntensitet
β (β decay)100%

155Nd

mass number155
neutron number95
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
8,9 ± 0,2 s
spin3/2
nuclear quadrupole moment
opdagelsesdato1986
Paritet-

decay modeIntensitet
β (β decay)100%

156Nd

mass number156
neutron number96
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
5,06 ± 0,13 s
spin0
nuclear quadrupole moment
0
opdagelsesdato1987
Paritet+

decay modeIntensitet
β (β decay)100%

157Nd

mass number157
neutron number97
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
1,15 ± 0,03 s
spin5/2
nuclear quadrupole moment
opdagelsesdato1992
Paritet-

decay modeIntensitet
β (β decay)100%

158Nd

mass number158
neutron number98
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
810 ± 30 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato1992
Paritet+

decay modeIntensitet
β (β decay)100%

159Nd

mass number159
neutron number99
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
500 ± 30 ms
spin7/2
nuclear quadrupole moment
opdagelsesdato2012
Paritet+

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

160Nd

mass number160
neutron number100
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
439 ± 37 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato1985
Paritet+

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

161Nd

mass number161
neutron number101
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
215 ± 76 ms
spin1/2
nuclear quadrupole moment
0
opdagelsesdato2012
Paritet-

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

162Nd

mass number162
neutron number102
Relative Atomic Mass
g-factor
0
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
310 ± 200 ms
spin0
nuclear quadrupole moment
0
opdagelsesdato2012
Paritet+

decay modeIntensitet
β (β decay)100%

163Nd

mass number163
neutron number103
Relative Atomic Mass
g-factor
natural abundance
radioaktivitet☢️ radioactive element
halveringstid
spin5/2
nuclear quadrupole moment
opdagelsesdato2018
Paritet-

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

historie

opdager eller opfinderC.F. Aver von Welsbach
fundstedAustria
opdagelsesdato1925
etymologiGreek: neos and didymos (new twin).
udtalenee-eh-DIM-i-em (engelsk)

source

Forekomst
Abundance in Earth's crust
natural abundance (verdenshave)
natural abundance (menneskelige krop)
natural abundance (Meteoroid)
0,00005 %
natural abundance (Solen)
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