Samarioa

Samarioa (Sm)

Zenbaki atomikoa 62 duen elementu kimikoa. Lur arraroen multzoko metala da
Atomic Number62
Atomic Weight150.36
masa-zenbaki152
Group
Period6
Blockf
protoi62 p+
neutroi90 n0
elektroi62 e-
Animated Bohrren eredu atomikoa of Sm (Samarioa)

Propietate Fisiko

Erradio Atomiko
185 pm
bolumen molar
Erradio Kobalente
172 pm
Metallic Radius
Erradio ioniko
122 pm
Crystal Radius
136 pm
Van der Waalsen erradio
236 pm
dentsitatea
7,52 g/cm³
Atomic Radii Of The Elements: Samarioa020406080100120140160180200220240pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
ionizazio energia
5,64371 eV/particle
ionizazio energia of Sm (Samarioa)
Irakite-entalpia
165 kJ/mol
urtze-entalpia
8,9 kJ/mol
formazio entalpia estandarra
206,7 kJ/mol
elektroi
elektroi geruza2, 8, 18, 24, 8, 2
Bohrren eredu atomikoa: Sm (Samarioa)
balentzia-elektroi2
Lewis egitura: Sm (Samarioa)
electron configuration[Xe] 4f6 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f6 6s2
Enhanced Bohrren eredu atomikoa of Sm (Samarioa)
Orbital Diagram of Sm (Samarioa)
Oxidazio-egoera0, 1, 2, 3
Elektronegatibotasun
1.17
Electrophilicity Index
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
2.067,15 K
Melting Point
1.345,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Silver
appearancesilvery white
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
0,0000127 1/K
molar heat capacity
29,54 J/(mol K)
Specific Heat Capacity
0,197 J/(g⋅K)
indize adiabatiko
electrical properties
typeConductor
Eroankortasun elektriko
1,1 MS/m
Erresistibitate elektriko
0,00000094 m Ω
Supereroankortasun
Magnetismo
typeparamagnetic
suszeptibilitate magnetiko (Mass)
0,000000111 m³/Kg
suszeptibilitate magnetiko (Molar)
0,00000001669 m³/mol
suszeptibilitate magnetiko (Volume)
0,00081618
magnetic ordering
Curieren tenperatura
Néel temperature
106 K
egitura
Crystal StructureSimple Trigonal (RHL)
lattice constant
9 Å
Lattice Anglesπ/2, π/2, 2 π/3
materialen propietate mekaniko
Gogortasun
konprimagarritasun-modulu
38 GPa
Zizaila modulua
20 GPa
Youngen modulu
50 GPa
Poissonen modulu
0,27
Soinuaren lastertasun
2.130 m/s
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number27
Mendeleev Number23
Pettifor Number28
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

beste batzuk

Gas Basicity
polarizability
192 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
5.900
Neutron Mass Absorption
4,7
zenbaki kuantiko7F0
talde espazial166 (R_3m)

Isotopes of Samarium

Stable Isotopes2
Unstable Isotopes39
Natural Isotopes7
Isotopic Composition15226.74%15226.74%15422.74%15422.74%14715.00%14715.00%14913.82%14913.82%14811.25%14811.25%1507.37%1507.37%1443.08%1443.08%

128Sm

masa-zenbaki128
neutron number66
atomo-masa erlatibo
127,957971 ± 0,000537 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data
parity+

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

129Sm

masa-zenbaki129
neutron number67
atomo-masa erlatibo
128,954557 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
550 ± 100 ms
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1999
parity+

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

130Sm

masa-zenbaki130
neutron number68
atomo-masa erlatibo
129,948792 ± 0,000429 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1999
parity+

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

131Sm

masa-zenbaki131
neutron number69
atomo-masa erlatibo
130,946022 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,2 ± 0,2 s
spin5/2
nuclear quadrupole moment
aurkikuntza-data1986
parity+

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

132Sm

masa-zenbaki132
neutron number70
atomo-masa erlatibo
131,940805 ± 0,000322 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4 ± 0,3 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1989
parity+

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

133Sm

masa-zenbaki133
neutron number71
atomo-masa erlatibo
132,93856 ± 0,00032 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,89 ± 0,16 s
spin5/2
nuclear quadrupole moment
aurkikuntza-data1977
parity+

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

134Sm

masa-zenbaki134
neutron number72
atomo-masa erlatibo
133,93411 ± 0,00021 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
9,5 ± 0,8 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1977
parity+

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

135Sm

masa-zenbaki135
neutron number73
atomo-masa erlatibo
134,93252 ± 0,000166 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
10,3 ± 0,5 s
spin7/2
nuclear quadrupole moment
aurkikuntza-data1977
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.02%

136Sm

masa-zenbaki136
neutron number74
atomo-masa erlatibo
135,928275553 ± 0,000013416 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
47 ± 2 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1982
parity+

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

137Sm

masa-zenbaki137
neutron number75
atomo-masa erlatibo
136,927007959 ± 0,000030718 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
45 ± 1 s
spin9/2
nuclear quadrupole moment
aurkikuntza-data1986
parity-

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

138Sm

masa-zenbaki138
neutron number76
atomo-masa erlatibo
137,923243988 ± 0,000012686 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,1 ± 0,2 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1982
parity+

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

139Sm

masa-zenbaki139
neutron number77
atomo-masa erlatibo
138,922296631 ± 0,000011684 Da
g-factor
−1,06 ± 0,04
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,57 ± 0,1 m
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1971
parity+

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

140Sm

masa-zenbaki140
neutron number78
atomo-masa erlatibo
139,918994714 ± 0,000013416 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
14,82 ± 0,12 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1967
parity+

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

141Sm

masa-zenbaki141
neutron number79
atomo-masa erlatibo
140,918481545 ± 0,000009162 Da
g-factor
−1,48 ± 0,04
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
10,2 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1967
parity+

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

142Sm

masa-zenbaki142
neutron number80
atomo-masa erlatibo
141,915209415 ± 0,000002002 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
72,49 ± 0,05 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1959
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)5%

143Sm

masa-zenbaki143
neutron number81
atomo-masa erlatibo
142,914634848 ± 0,000002951 Da
g-factor
0,67333333333333 ± 0,013333333333333
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
8,75 ± 0,06 m
spin3/2
nuclear quadrupole moment
0,4 ± 0,2
aurkikuntza-data1956
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
e+ (positron emission)40%
ϵ (electron capture)60%

144Sm

masa-zenbaki144
neutron number82
atomo-masa erlatibo
143,912006285 ± 0,000001566 Da
g-factor
0
natural abundance
3,08 ± 0,04
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1933
parity+

decay modeintensity
+ (double β+ decay)

145Sm

masa-zenbaki145
neutron number83
atomo-masa erlatibo
144,913417157 ± 0,000001594 Da
g-factor
−0,32 ± 0,0031428571428571
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
340 ± 3 d
spin7/2
nuclear quadrupole moment
−0,6 ± 0,07
aurkikuntza-data1947
parity-

decay modeintensity
ϵ (electron capture)100%

146Sm

masa-zenbaki146
neutron number84
atomo-masa erlatibo
145,913046835 ± 0,000003269 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
68 ± 7 My
spin0
nuclear quadrupole moment
0
aurkikuntza-data1953
parity+

decay modeintensity
α (α emission)100%

147Sm

masa-zenbaki147
neutron number85
atomo-masa erlatibo
146,914904401 ± 0,000001354 Da
g-factor
−0,23114285714286 ± 0,0004
natural abundance
15 ± 0,14
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
106,6 ± 0,5 Gy
spin7/2
nuclear quadrupole moment
−0,26 ± 0,03
aurkikuntza-data1933
parity-

decay modeintensity
α (α emission)100%

148Sm

masa-zenbaki148
neutron number86
atomo-masa erlatibo
147,914829233 ± 0,000001337 Da
g-factor
0
natural abundance
11,25 ± 0,09
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
6,3 ± 1,3 Py
spin0
nuclear quadrupole moment
0
aurkikuntza-data1933
parity+

decay modeintensity
α (α emission)100%

149Sm

masa-zenbaki149
neutron number87
atomo-masa erlatibo
148,917191211 ± 0,000001241 Da
g-factor
−0,19077142857143 ± 0,00031428571428571
natural abundance
13,82 ± 0,1
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
0,075 ± 0,008
aurkikuntza-data1933
parity-

decay modeintensity
α (α emission)

150Sm

masa-zenbaki150
neutron number88
atomo-masa erlatibo
149,917281993 ± 0,000001193 Da
g-factor
0
natural abundance
7,37 ± 0,09
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1934
parity+

151Sm

masa-zenbaki151
neutron number89
atomo-masa erlatibo
150,919938859 ± 0,000001191 Da
g-factor
−0,1442 ± 0,00024
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
94,6 ± 0,6 y
spin5/2
nuclear quadrupole moment
0,71 ± 0,07
aurkikuntza-data1947
parity-

decay modeintensity
β (β decay)100%

152Sm

masa-zenbaki152
neutron number90
atomo-masa erlatibo
151,919738646 ± 0,00000109 Da
g-factor
0
natural abundance
26,74 ± 0,09
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1933
parity+

153Sm

masa-zenbaki153
neutron number91
atomo-masa erlatibo
152,922103576 ± 0,0000011 Da
g-factor
−0,014 ± 0,002
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
46,2846 ± 0,0023 h
spin3/2
nuclear quadrupole moment
1,3 ± 0,12
aurkikuntza-data1938
parity+

decay modeintensity
β (β decay)100%

154Sm

masa-zenbaki154
neutron number92
atomo-masa erlatibo
153,922215756 ± 0,0000014 Da
g-factor
0
natural abundance
22,74 ± 0,14
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1933
parity+

decay modeintensity
(double β decay)

155Sm

masa-zenbaki155
neutron number93
atomo-masa erlatibo
154,924646645 ± 0,000001429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
22,18 ± 0,06 m
spin3/2
nuclear quadrupole moment
1,13 ± 0,13
aurkikuntza-data1951
parity-

decay modeintensity
β (β decay)100%

156Sm

masa-zenbaki156
neutron number94
atomo-masa erlatibo
155,925538191 ± 0,000009148 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
9,4 ± 0,2 h
spin0
nuclear quadrupole moment
0
aurkikuntza-data1951
parity+

decay modeintensity
β (β decay)100%

157Sm

masa-zenbaki157
neutron number95
atomo-masa erlatibo
156,928418598 ± 0,000004759 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
8,03 ± 0,07 m
spin3/2
nuclear quadrupole moment
aurkikuntza-data1973
parity-

decay modeintensity
β (β decay)100%

158Sm

masa-zenbaki158
neutron number96
atomo-masa erlatibo
157,929949262 ± 0,000005133 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5,3 ± 0,03 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1970
parity+

decay modeintensity
β (β decay)100%

159Sm

masa-zenbaki159
neutron number97
atomo-masa erlatibo
158,93321713 ± 0,00000637 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11,37 ± 0,15 s
spin5/2
nuclear quadrupole moment
aurkikuntza-data1986
parity-

decay modeintensity
β (β decay)100%

160Sm

masa-zenbaki160
neutron number98
atomo-masa erlatibo
159,935337032 ± 0,0000021 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
9,6 ± 0,3 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1986
parity+

decay modeintensity
β (β decay)100%

161Sm

masa-zenbaki161
neutron number99
atomo-masa erlatibo
160,939160062 ± 0,000007318 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,8 ± 0,4 s
spin7/2
nuclear quadrupole moment
aurkikuntza-data1998
parity+

decay modeintensity
β (β decay)100%

162Sm

masa-zenbaki162
neutron number100
atomo-masa erlatibo
161,941621687 ± 0,000003782 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,7 ± 0,3 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data2005
parity+

decay modeintensity
β (β decay)100%

163Sm

masa-zenbaki163
neutron number101
atomo-masa erlatibo
162,945679085 ± 0,0000079 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,3 ± 0,5 s
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data2012
parity-

decay modeintensity
β (β decay)100%

164Sm

masa-zenbaki164
neutron number102
atomo-masa erlatibo
163,948550061 ± 0,0000044 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,43 ± 0,24 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data2012
parity+

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

165Sm

masa-zenbaki165
neutron number103
atomo-masa erlatibo
164,95329 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
980 ± 210 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data2012
parity-

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

166Sm

masa-zenbaki166
neutron number104
atomo-masa erlatibo
165,956575 ± 0,000429 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
800 ± 630 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data2017
parity+

decay modeintensity
β (β decay)100%

167Sm

masa-zenbaki167
neutron number105
atomo-masa erlatibo
166,962072 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin7/2
nuclear quadrupole moment
aurkikuntza-data2018
parity-

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

168Sm

masa-zenbaki168
neutron number106
atomo-masa erlatibo
167,966033 ± 0,000322 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data2018
parity+

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

historia

aurkitzailea edo asmatzaileaPaul Émile Lecoq de Boisbaudran
aurkikuntzaren lekuaFrance
aurkikuntza-data1879
etimologiaNamed after the mineral samarskite.
pronunciationseh-MER-i-em (ingelesa)

source

Abundance
Abundance in Earth's crust
7,05 mg/kg
natural abundance (ozeano)
0,00000045 mg/L
natural abundance (gizakiaren gorputza)
natural abundance (Meteoroide)
0,000017 %
natural abundance (Eguzkia)
0,0000001 %
Abundance in Universe
0,0000005 %

Nuclear Screening Constants

1s1.2217
2p4.269
2s16.2652
3d13.7711
3p19.5815
3s19.9736
4d33.7604
4f38.4684
4p30.912
4s29.7076
5p45.719
5s43.751
6s53.9882