Samariy

Samariy (Sm)

chemical element with atomic number of 62
Atomic Number62
Atomic Weight150.36
mass number152
Group
Period6
Blockf
Proton62 p+
Neytron90 n0
Elektron62 e-
Animated Bohr model of Sm (Samariy)

Fizik Xossa

Atom Radiusi
185 pm
Molyar hajm
Kovalentlik Radiusi
172 pm
Metallic Radius
Ion radiuslar
122 pm
Crystal Radius
136 pm
Van der Waals radius
236 pm
density
7,52 g/cm³
Atomic Radii Of The Elements: Samariy0102030405060708090100110120130140150160170180190200210220230240pmAtom RadiusiKovalentlik RadiusiMetallic RadiusVan der Waals radius

Chemical Property

energiya
proton affinity
electron affinity
ionization energy
5,64371 eV/particle
ionization energy of Sm (Samariy)
Solishtirma qaynash issiqligi
165 kJ/mol
solishtirma erish issiqligi
8,9 kJ/mol
standard enthalpy of formation
206,7 kJ/mol
Elektron
Ion asboblar2, 8, 18, 24, 8, 2
Bohr model: Sm (Samariy)
valence electron2
Lewis structure: Sm (Samariy)
electron configuration[Xe] 4f6 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f6 6s2
Enhanced Bohr model of Sm (Samariy)
Orbital Diagram of Sm (Samariy)
Oksidlanish darajasi0, 1, 2, 3
Elektrmanfiylik
1.17
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
2 067,15 K
Melting Point
1 345,15 K
critical pressure
critical temperature
triple point
appearance
Rang
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
Issiqlikdan kengayish
0,0000127 1/K
molar heat capacity
29,54 J/(mol K)
Specific Heat Capacity
0,197 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
1,1 MS/m
electrical resistivity
0,00000094 m Ω
superconductivity
Magnetizm
typeparamagnetic
magnetic susceptibility (Mass)
0,000000111 m³/Kg
magnetic susceptibility (Molar)
0,00000001669 m³/mol
magnetic susceptibility (Volume)
0,00081618
magnetic ordering
Kyuri nuqtasi
Néel temperature
106 K
Tuzilma
Crystal StructureSimple Trigonal (RHL)
Kristall panjara davri
9 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Qattiqlik
bulk modulus
38 GPa
shear modulus
20 GPa
Yung moduli
50 GPa
Poisson's ratio
0,27
Tovush tezligi
2 130 m/s
klassifikatsiya
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number27
Mendeleev Number23
Pettifor Number28
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
192 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
5 900
Neutron Mass Absorption
4,7
Atom kvant sonlari7F0
space group166 (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

mass number128
neutron number66
Nisbiy atom massa
127,957971 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

129Sm

mass number129
neutron number67
Nisbiy atom massa
128,954557 ± 0,000537 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
550 ± 100 ms
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1999
parity+

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

130Sm

mass number130
neutron number68
Nisbiy atom massa
129,948792 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention1999
parity+

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

131Sm

mass number131
neutron number69
Nisbiy atom massa
130,946022 ± 0,000429 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,2 ± 0,2 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1986
parity+

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

132Sm

mass number132
neutron number70
Nisbiy atom massa
131,940805 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
4 ± 0,3 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1989
parity+

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

133Sm

mass number133
neutron number71
Nisbiy atom massa
132,93856 ± 0,00032 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,89 ± 0,16 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1977
parity+

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

134Sm

mass number134
neutron number72
Nisbiy atom massa
133,93411 ± 0,00021 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
9,5 ± 0,8 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1977
parity+

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

135Sm

mass number135
neutron number73
Nisbiy atom massa
134,93252 ± 0,000166 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
10,3 ± 0,5 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1977
parity+

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

136Sm

mass number136
neutron number74
Nisbiy atom massa
135,928275553 ± 0,000013416 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
47 ± 2 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1982
parity+

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

137Sm

mass number137
neutron number75
Nisbiy atom massa
136,927007959 ± 0,000030718 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
45 ± 1 s
spin9/2
nuclear quadrupole moment
time of discovery or invention1986
parity-

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

138Sm

mass number138
neutron number76
Nisbiy atom massa
137,923243988 ± 0,000012686 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
3,1 ± 0,2 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1982
parity+

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

139Sm

mass number139
neutron number77
Nisbiy atom massa
138,922296631 ± 0,000011684 Da
g-factor
-1,06 ± 0,04
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,57 ± 0,1 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1971
parity+

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

140Sm

mass number140
neutron number78
Nisbiy atom massa
139,918994714 ± 0,000013416 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
14,82 ± 0,12 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1967
parity+

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

141Sm

mass number141
neutron number79
Nisbiy atom massa
140,918481545 ± 0,000009162 Da
g-factor
-1,48 ± 0,04
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
10,2 ± 0,2 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1967
parity+

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

142Sm

mass number142
neutron number80
Nisbiy atom massa
141,915209415 ± 0,000002002 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
72,49 ± 0,05 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1959
parity+

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

143Sm

mass number143
neutron number81
Nisbiy atom massa
142,914634848 ± 0,000002951 Da
g-factor
0,67333333333333 ± 0,013333333333333
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
8,75 ± 0,06 m
spin3/2
nuclear quadrupole moment
0,4 ± 0,2
time of discovery or invention1956
parity+

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

144Sm

mass number144
neutron number82
Nisbiy atom massa
143,912006285 ± 0,000001566 Da
g-factor
0
natural abundance
3,08 ± 0,04
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

decay modeintensity
+ (double β+ decay)

145Sm

mass number145
neutron number83
Nisbiy atom massa
144,913417157 ± 0,000001594 Da
g-factor
-0,32 ± 0,0031428571428571
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
340 ± 3 d
spin7/2
nuclear quadrupole moment
-0,6 ± 0,07
time of discovery or invention1947
parity-

decay modeintensity
ϵ (electron capture)100%

146Sm

mass number146
neutron number84
Nisbiy atom massa
145,913046835 ± 0,000003269 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
68 ± 7 My
spin0
nuclear quadrupole moment
0
time of discovery or invention1953
parity+

decay modeintensity
α (α emission)100%

147Sm

mass number147
neutron number85
Nisbiy atom massa
146,914904401 ± 0,000001354 Da
g-factor
-0,23114285714286 ± 0,0004
natural abundance
15 ± 0,14
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
106,6 ± 0,5 Gy
spin7/2
nuclear quadrupole moment
-0,26 ± 0,03
time of discovery or invention1933
parity-

decay modeintensity
α (α emission)100%

148Sm

mass number148
neutron number86
Nisbiy atom massa
147,914829233 ± 0,000001337 Da
g-factor
0
natural abundance
11,25 ± 0,09
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
6,3 ± 1,3 Py
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

decay modeintensity
α (α emission)100%

149Sm

mass number149
neutron number87
Nisbiy atom massa
148,917191211 ± 0,000001241 Da
g-factor
-0,19077142857143 ± 0,00031428571428571
natural abundance
13,82 ± 0,1
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin7/2
nuclear quadrupole moment
0,075 ± 0,008
time of discovery or invention1933
parity-

decay modeintensity
α (α emission)

150Sm

mass number150
neutron number88
Nisbiy atom massa
149,917281993 ± 0,000001193 Da
g-factor
0
natural abundance
7,37 ± 0,09
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1934
parity+

151Sm

mass number151
neutron number89
Nisbiy atom massa
150,919938859 ± 0,000001191 Da
g-factor
-0,1442 ± 0,00024
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
94,6 ± 0,6 y
spin5/2
nuclear quadrupole moment
0,71 ± 0,07
time of discovery or invention1947
parity-

decay modeintensity
β (β decay)100%

152Sm

mass number152
neutron number90
Nisbiy atom massa
151,919738646 ± 0,00000109 Da
g-factor
0
natural abundance
26,74 ± 0,09
Radioaktivlikstable isotope
Yarim yemirilish davriNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

153Sm

mass number153
neutron number91
Nisbiy atom massa
152,922103576 ± 0,0000011 Da
g-factor
-0,014 ± 0,002
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
46,2846 ± 0,0023 h
spin3/2
nuclear quadrupole moment
1,3 ± 0,12
time of discovery or invention1938
parity+

decay modeintensity
β (β decay)100%

154Sm

mass number154
neutron number92
Nisbiy atom massa
153,922215756 ± 0,0000014 Da
g-factor
0
natural abundance
22,74 ± 0,14
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention1933
parity+

decay modeintensity
(double β decay)

155Sm

mass number155
neutron number93
Nisbiy atom massa
154,924646645 ± 0,000001429 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
22,18 ± 0,06 m
spin3/2
nuclear quadrupole moment
1,13 ± 0,13
time of discovery or invention1951
parity-

decay modeintensity
β (β decay)100%

156Sm

mass number156
neutron number94
Nisbiy atom massa
155,925538191 ± 0,000009148 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
9,4 ± 0,2 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1951
parity+

decay modeintensity
β (β decay)100%

157Sm

mass number157
neutron number95
Nisbiy atom massa
156,928418598 ± 0,000004759 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
8,03 ± 0,07 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1973
parity-

decay modeintensity
β (β decay)100%

158Sm

mass number158
neutron number96
Nisbiy atom massa
157,929949262 ± 0,000005133 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
5,3 ± 0,03 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1970
parity+

decay modeintensity
β (β decay)100%

159Sm

mass number159
neutron number97
Nisbiy atom massa
158,93321713 ± 0,00000637 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
11,37 ± 0,15 s
spin5/2
nuclear quadrupole moment
time of discovery or invention1986
parity-

decay modeintensity
β (β decay)100%

160Sm

mass number160
neutron number98
Nisbiy atom massa
159,935337032 ± 0,0000021 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
9,6 ± 0,3 s
spin0
nuclear quadrupole moment
0
time of discovery or invention1986
parity+

decay modeintensity
β (β decay)100%

161Sm

mass number161
neutron number99
Nisbiy atom massa
160,939160062 ± 0,000007318 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
4,8 ± 0,4 s
spin7/2
nuclear quadrupole moment
time of discovery or invention1998
parity+

decay modeintensity
β (β decay)100%

162Sm

mass number162
neutron number100
Nisbiy atom massa
161,941621687 ± 0,000003782 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,7 ± 0,3 s
spin0
nuclear quadrupole moment
0
time of discovery or invention2005
parity+

decay modeintensity
β (β decay)100%

163Sm

mass number163
neutron number101
Nisbiy atom massa
162,945679085 ± 0,0000079 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,3 ± 0,5 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2012
parity-

decay modeintensity
β (β decay)100%

164Sm

mass number164
neutron number102
Nisbiy atom massa
163,948550061 ± 0,0000044 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,43 ± 0,24 s
spin0
nuclear quadrupole moment
0
time of discovery or invention2012
parity+

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

165Sm

mass number165
neutron number103
Nisbiy atom massa
164,95329 ± 0,000429 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
980 ± 210 ms
spin5/2
nuclear quadrupole moment
time of discovery or invention2012
parity-

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

166Sm

mass number166
neutron number104
Nisbiy atom massa
165,956575 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
800 ± 630 ms
spin0
nuclear quadrupole moment
0
time of discovery or invention2017
parity+

decay modeintensity
β (β decay)100%

167Sm

mass number167
neutron number105
Nisbiy atom massa
166,962072 ± 0,000537 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin7/2
nuclear quadrupole moment
time of discovery or invention2018
parity-

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

168Sm

mass number168
neutron number106
Nisbiy atom massa
167,966033 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin0
nuclear quadrupole moment
0
time of discovery or invention2018
parity+

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

tarix

discoverer or inventorPaul Émile Lecoq de Boisbaudran
location of discoveryFrance
time of discovery or invention1879
EtimologiyaNamed after the mineral samarskite.
pronunciationseh-MER-i-em (inglizcha)

source

Abundance
Abundance in Earth's crust
7,05 mg/kg
natural abundance (Okean)
0,00000045 mg/L
natural abundance (Inson tanasi)
natural abundance (Meteoroid)
0,000017 %
natural abundance (Quyosh)
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