Neodymijum, ²Neodimij

Neodymijum, ²Neodimij (Nd)

hemijski element sa simbolom Nd i atomskim brojem 60
Atomic Number60
Atomic Weight144.242
Maseni broj142
Group
Period6
Blockf
Proton60 p+
Neutron82 n0
Elektron60 e-
Animated Bohrov model atoma of Nd (Neodymijum, ²Neodimij)

Physical Property

Atomski Radijus
185 pm
Molarni volumen
covalent radius
174 pm
Metallic Radius
Ionski radijus
129 pm
Crystal Radius
143 pm
Van der Waalsov radijus
239 pm
gustoća
7,01 g/cm³
Atomic Radii Of The Elements: Neodymijum, ²Neodimij0102030405060708090100110120130140150160170180190200210220230240pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Nd (Neodymijum, ²Neodimij)
Toplota isparavanja
289 kJ/mol
toplota topljenja
7,1 kJ/mol
standard enthalpy of formation
326,9 kJ/mol
Elektron
electron shell2, 8, 18, 22, 8, 2
Bohrov model atoma: Nd (Neodymijum, ²Neodimij)
Valentni elektron2
Lewis structure: Nd (Neodymijum, ²Neodimij)
electron configuration[Xe] 4f4 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f4 6s2
Enhanced Bohrov model atoma of Nd (Neodymijum, ²Neodimij)
Orbital Diagram of Nd (Neodymijum, ²Neodimij)
oksidacijsko stanje0, 2, 3, 4
Elektronegativnost
1.14
Electrophilicity Index
1,9177223954003881 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
3.347,15 K
Melting Point
1.289,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Silver
appearancesilvery white
Indeks prelamanja
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
Specifična električna provodljivost
1,6 MS/m
electrical resistivity
0,00000064 m Ω
Superprovodljivost
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,00000048 m³/Kg
magnetic susceptibility (Molar)
0,000000069235 m³/mol
magnetic susceptibility (Volume)
0,0033648
magnetic ordering
Kirijeva tačka
Néel temperature
19,2 K
struktura
Crystal StructureSimple Hexagonal (HEX)
lattice constant
3,66 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
bulk modulus
32 GPa
shear modulus
16 GPa
Young's modulus
41 GPa
Poisson's ratio
0,28
Brzina zvuka
2.330 m/s
klasifikacija
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
Kvantni brojevi5I4
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

Maseni broj124
broj neutrona64
relative atomic mass
123,951873 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

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

125Nd

Maseni broj125
broj neutrona65
relative atomic mass
124,948395 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
650 ± 150 ms
spin5/2
nuclear quadrupole moment
datum otkrića1999
parity

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

126Nd

Maseni broj126
broj neutrona66
relative atomic mass
125,942694 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića2000
parity+

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

127Nd

Maseni broj127
broj neutrona67
relative atomic mass
126,939978 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,8 ± 0,4 s
spin5/2
nuclear quadrupole moment
datum otkrića1983
parity+

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

128Nd

Maseni broj128
broj neutrona68
relative atomic mass
127,935018 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1985
parity+

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

129Nd

Maseni broj129
broj neutrona69
relative atomic mass
128,933038 ± 0,000217 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,8 ± 0,6 s
spin7/2
nuclear quadrupole moment
datum otkrića1977
parity-

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

130Nd

Maseni broj130
broj neutrona70
relative atomic mass
129,928506 ± 0,00003 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21 ± 3 s
spin0
nuclear quadrupole moment
0
datum otkrića1977
parity+

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

131Nd

Maseni broj131
broj neutrona71
relative atomic mass
130,92724802 ± 0,000029541 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25,4 ± 0,9 s
spin5/2
nuclear quadrupole moment
datum otkrića1977
parity+

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

132Nd

Maseni broj132
broj neutrona72
relative atomic mass
131,923321237 ± 0,000025985 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,56 ± 0,1 m
spin0
nuclear quadrupole moment
0
datum otkrića1977
parity+

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

133Nd

Maseni broj133
broj neutrona73
relative atomic mass
132,922348 ± 0,00005 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
70 ± 10 s
spin7/2
nuclear quadrupole moment
datum otkrića1977
parity+

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

134Nd

Maseni broj134
broj neutrona74
relative atomic mass
133,918790207 ± 0,000012686 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,5 ± 1,5 m
spin0
nuclear quadrupole moment
0
datum otkrića1970
parity+

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

135Nd

Maseni broj135
broj neutrona75
relative atomic mass
134,918181318 ± 0,000020534 Da
g-factor
-0,17333333333333 ± 0,0066666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,4 ± 0,6 m
spin9/2
nuclear quadrupole moment
1,9 ± 0,5
datum otkrića1970
parity-

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

136Nd

Maseni broj136
broj neutrona76
relative atomic mass
135,914976061 ± 0,000012686 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
50,65 ± 0,33 m
spin0
nuclear quadrupole moment
0
datum otkrića1968
parity+

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

137Nd

Maseni broj137
broj neutrona77
relative atomic mass
136,914563099 ± 0,000012586 Da
g-factor
-1,264 ± 0,01
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
38,5 ± 1,5 m
spin1/2
nuclear quadrupole moment
0
datum otkrića1970
parity+

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

138Nd

Maseni broj138
broj neutrona78
relative atomic mass
137,911950938 ± 0,000012456 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,04 ± 0,09 h
spin0
nuclear quadrupole moment
0
datum otkrića1965
parity+

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

139Nd

Maseni broj139
broj neutrona79
relative atomic mass
138,911951208 ± 0,000029545 Da
g-factor
0,60333333333333 ± 0,0046666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
29,7 ± 0,5 m
spin3/2
nuclear quadrupole moment
0,28 ± 0,09
datum otkrića1951
parity+

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

140Nd

Maseni broj140
broj neutrona80
relative atomic mass
139,90954613 ± 0,0000035 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,37 ± 0,02 d
spin0
nuclear quadrupole moment
0
datum otkrića1949
parity+

decay modeintensity
ϵ (electron capture)100%

141Nd

Maseni broj141
broj neutrona81
relative atomic mass
140,90961669 ± 0,000003417 Da
g-factor
0,67333333333333 ± 0,006
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,49 ± 0,03 h
spin3/2
nuclear quadrupole moment
0,32 ± 0,13
datum otkrića1949
parity+

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

142Nd

Maseni broj142
broj neutrona82
relative atomic mass
141,907728824 ± 0,000001348 Da
g-factor
0
natural abundance
27,153 ± 0,04
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1924
parity+

143Nd

Maseni broj143
broj neutrona83
relative atomic mass
142,909819815 ± 0,000001347 Da
g-factor
-0,30428571428571 ± 0,0014285714285714
natural abundance
12,173 ± 0,026
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin7/2
nuclear quadrupole moment
-0,61 ± 0,02
datum otkrića1933
parity-

144Nd

Maseni broj144
broj neutrona84
relative atomic mass
143,910092798 ± 0,000001346 Da
g-factor
0
natural abundance
23,798 ± 0,019
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,29 ± 0,16 Py
spin0
nuclear quadrupole moment
0
datum otkrića1924
parity+

decay modeintensity
α (α emission)100%

145Nd

Maseni broj145
broj neutrona85
relative atomic mass
144,912579151 ± 0,000001364 Da
g-factor
-0,18742857142857 ± 0,0011428571428571
natural abundance
8,293 ± 0,012
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin7/2
nuclear quadrupole moment
-0,314 ± 0,012
datum otkrića1933
parity-

decay modeintensity
α (α emission)

146Nd

Maseni broj146
broj neutrona86
relative atomic mass
145,913122459 ± 0,000001366 Da
g-factor
0
natural abundance
17,189 ± 0,032
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1924
parity+

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

147Nd

Maseni broj147
broj neutrona87
relative atomic mass
146,916105969 ± 0,000001368 Da
g-factor
0,2216 ± 0,004
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,98 ± 0,01 d
spin5/2
nuclear quadrupole moment
0,9 ± 0,3
datum otkrića1947
parity-

decay modeintensity
β (β decay)100%

148Nd

Maseni broj148
broj neutrona88
relative atomic mass
147,916899027 ± 0,000002203 Da
g-factor
0
natural abundance
5,756 ± 0,021
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1937
parity+

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

149Nd

Maseni broj149
broj neutrona89
relative atomic mass
148,920154583 ± 0,000002205 Da
g-factor
0,1404 ± 0,004
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,728 ± 0,001 h
spin5/2
nuclear quadrupole moment
1,3 ± 0,3
datum otkrića1938
parity-

decay modeintensity
β (β decay)100%

150Nd

Maseni broj150
broj neutrona90
relative atomic mass
149,920901322 ± 0,000001211 Da
g-factor
0
natural abundance
5,638 ± 0,028
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,3 ± 0,7 Ey
spin0
nuclear quadrupole moment
0
datum otkrića1937
parity+

decay modeintensity
(double β decay)100%

151Nd

Maseni broj151
broj neutrona91
relative atomic mass
150,923839363 ± 0,000001215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,44 ± 0,07 m
spin3/2
nuclear quadrupole moment
datum otkrića1938
parity+

decay modeintensity
β (β decay)100%

152Nd

Maseni broj152
broj neutrona92
relative atomic mass
151,924691242 ± 0,000026276 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,4 ± 0,2 m
spin0
nuclear quadrupole moment
0
datum otkrića1969
parity+

decay modeintensity
β (β decay)100%

153Nd

Maseni broj153
broj neutrona93
relative atomic mass
152,927717868 ± 0,000002949 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
31,6 ± 1 s
spin3/2
nuclear quadrupole moment
datum otkrića1987
parity

decay modeintensity
β (β decay)100%

154Nd

Maseni broj154
broj neutrona94
relative atomic mass
153,929597404 ± 0,0000011 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25,9 ± 0,2 s
spin0
nuclear quadrupole moment
0
datum otkrića1970
parity+

decay modeintensity
β (β decay)100%

155Nd

Maseni broj155
broj neutrona95
relative atomic mass
154,933135598 ± 0,000009826 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,9 ± 0,2 s
spin3/2
nuclear quadrupole moment
datum otkrića1986
parity-

decay modeintensity
β (β decay)100%

156Nd

Maseni broj156
broj neutrona96
relative atomic mass
155,935370358 ± 0,0000014 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,06 ± 0,13 s
spin0
nuclear quadrupole moment
0
datum otkrića1987
parity+

decay modeintensity
β (β decay)100%

157Nd

Maseni broj157
broj neutrona97
relative atomic mass
156,939351074 ± 0,000002294 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,15 ± 0,03 s
spin5/2
nuclear quadrupole moment
datum otkrića1992
parity-

decay modeintensity
β (β decay)100%

158Nd

Maseni broj158
broj neutrona98
relative atomic mass
157,94220562 ± 0,0000014 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
810 ± 30 ms
spin0
nuclear quadrupole moment
0
datum otkrića1992
parity+

decay modeintensity
β (β decay)100%

159Nd

Maseni broj159
broj neutrona99
relative atomic mass
158,946619085 ± 0,000032 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
500 ± 30 ms
spin7/2
nuclear quadrupole moment
datum otkrića2012
parity+

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

160Nd

Maseni broj160
broj neutrona100
relative atomic mass
159,949839172 ± 0,00005 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
439 ± 37 ms
spin0
nuclear quadrupole moment
0
datum otkrića1985
parity+

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

161Nd

Maseni broj161
broj neutrona101
relative atomic mass
160,954664 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
215 ± 76 ms
spin1/2
nuclear quadrupole moment
0
datum otkrića2012
parity-

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

162Nd

Maseni broj162
broj neutrona102
relative atomic mass
161,958121 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
310 ± 200 ms
spin0
nuclear quadrupole moment
0
datum otkrića2012
parity+

decay modeintensity
β (β decay)100%

163Nd

Maseni broj163
broj neutrona103
relative atomic mass
162,963414 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića2018
parity-

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

historija

otkrivač ili izumiteljC.F. Aver von Welsbach
mjesto otkrićaAustria
datum otkrića1925
EtimologijaGreek: neos and didymos (new twin).
pronunciationnee-eh-DIM-i-em (engleski)

izvor

Abundance
Abundance in Earth's crust
41,5 mg/kg
natural abundance (okean)
0,0000028 mg/L
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)
0,00005 %
natural abundance (Sunce)
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