Samarium (Sm)

chemical element with atomic number of 62

Atomic Number	62
Atomic Weight	150.36
Massagetal	152

Group
Period	6
Block	f

proton	62 p⁺
neutron	90 n⁰
elektron	62 e^-

Physical Property

Atoomradius	185 pm 280 pm
molar volume	19,9 cm³/mol
Covalent Radius	172 pm 134 pm 198 pm
Metallic Radius
Ioonradius	122 pm 127 pm 132 pm 95,8 pm 102 pm 107,9 pm 113,2 pm 124 pm
Crystal Radius	136 pm 141 pm 146 pm 109,8 pm 116 pm 121,9 pm 127,2 pm 138 pm
Van der Waals radius	236 pm 271 pm 352 pm
density	7,52 g/cm³ 7 160 kg/m³

Chemical Property

energie

proton affinity
electron affinity
ionization energy	5,64371 eV/particle 11,07 eV/particle 23,4 eV/particle 41,4 eV/particle 62,66 eV/particle 90 eV/particle 103 eV/particle 118 eV/particle 141 eV/particle 158 eV/particle 179 eV/particle 208 eV/particle 237 eV/particle 257 eV/particle 276 eV/particle 306,5 eV/particle 474 eV/particle 506 eV/particle 543 eV/particle 581 eV/particle 617 eV/particle 658 eV/particle 702 eV/particle 742 eV/particle 782 eV/particle 822 eV/particle 976 eV/particle 1 016 eV/particle 1 060 eV/particle 1 103 eV/particle 1 180 eV/particle 1 226 eV/particle 1 332 eV/particle 1 381,6 eV/particle 2 371 eV/particle 2 466 eV/particle 2 569 eV/particle 2 676 eV/particle 2 782 eV/particle 2 887 eV/particle 3 028 eV/particle 3 137 eV/particle 3 253 eV/particle 3 363 eV/particle 3 669 eV/particle 3 766 eV/particle 3 873 eV/particle 3 971 eV/particle 4 227 eV/particle 4 337 eV/particle 4 548 eV/particle 4 655 eV/particle 10 494 eV/particle 10 762 eV/particle 11 060 eV/particle 11 337 eV/particle 12 264 eV/particle 12 588 eV/particle 12 992 eV/particle 13 262,85 eV/particle 53 986,11 eV/particle 55 214,23 eV/particle

Verdampingswarmte	165 kJ/mol
smeltingswarmte	8,9 kJ/mol
Vormingsentalpie	206,7 kJ/mol
elektron

Elektronskil	2, 8, 18, 24, 8, 2

Valenselektrone	2 ⓘ

elektronkonfigurasie	[Xe] 4f⁶ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f⁶ 6s²

Oksidasietoestand	0, 1, 2, 3
Elektronegatiwiteit	0.185468 1.17
Electrophilicity Index
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point	2 067,15 K
Melting Point	1 345,15 K
critical pressure
critical temperature
triple point
appearance
kleur	Silver #ff1493 #8fffc7 #8fffc7
appearance	silvery white
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion	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
type	Conductor
Geleidingsvermoë	1,1 MS/m
Elektriese resistiwiteit	0,00000094 Ω*m
superconductivity
Magnetisme
type	paramagnetic
magnetic susceptibility (Mass)	0,000000111 m³/Kg
magnetic susceptibility (Molar)	0,00000001669 m³/mol
magnetic susceptibility (Volume)	0,00081618
magnetic ordering
Curie temperature
Néel temperature	106 K
structure
Crystal Structure	Simple Trigonal (RHL)
lattice constant	9 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	441 MPa 412 MPa
Massamodulus	38 GPa
Skuifmodulus	20 GPa
Young se modulus	50 GPa
Poisson se verhouding	0,27
Spoed van klank	2 130 m/s
classification
Category	Lanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number	27
Mendeleev Number	23
Pettifor Number	28
Geochemical Class	rare earth & related
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	192 ± 20 a₀
C6 Dispersion Coefficient	3 130 a₀
allotrope
Neutron cross section	5 900
Neutron Mass Absorption	4,7
quantum number	7F0
Ruimtegroep	166 (R_3m)

Isotopes of Samarium

Stable Isotopes	2
Unstable Isotopes	39
Natural Isotopes	7

¹²⁸Sm

Massagetal	128
neutron number	66
Relative Atomic Mass	127,957971 ± 0,000537 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum
parity	+

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

¹²⁹Sm

Massagetal	129
neutron number	67
Relative Atomic Mass	128,954557 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	550 ± 100 ms
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1999
parity	+

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

¹³⁰Sm

Massagetal	130
neutron number	68
Relative Atomic Mass	129,948792 ± 0,000429 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1999
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

¹³¹Sm

Massagetal	131
neutron number	69
Relative Atomic Mass	130,946022 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,2 ± 0,2 s
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1986
parity	+

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

¹³²Sm

Massagetal	132
neutron number	70
Relative Atomic Mass	131,940805 ± 0,000322 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4 ± 0,3 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1989
parity	+

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

¹³³Sm

Massagetal	133
neutron number	71
Relative Atomic Mass	132,93856 ± 0,00032 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,89 ± 0,16 s
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1977
parity	+

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

¹³⁴Sm

Massagetal	134
neutron number	72
Relative Atomic Mass	133,93411 ± 0,00021 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	9,5 ± 0,8 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1977
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁵Sm

Massagetal	135
neutron number	73
Relative Atomic Mass	134,93252 ± 0,000166 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	10,3 ± 0,5 s
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	1977
parity	+

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

¹³⁶Sm

Massagetal	136
neutron number	74
Relative Atomic Mass	135,928275553 ± 0,000013416 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	47 ± 2 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1982
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁷Sm

Massagetal	137
neutron number	75
Relative Atomic Mass	136,927007959 ± 0,000030718 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	45 ± 1 s
spin	9/2
nuclear quadrupole moment
ontdekkingsdatum	1986
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁸Sm

Massagetal	138
neutron number	76
Relative Atomic Mass	137,923243988 ± 0,000012686 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,1 ± 0,2 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1982
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁹Sm

Massagetal	139
neutron number	77
Relative Atomic Mass	138,922296631 ± 0,000011684 Da
g-factor	-1,06 ± 0,04
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,57 ± 0,1 m
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1971
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁴⁰Sm

Massagetal	140
neutron number	78
Relative Atomic Mass	139,918994714 ± 0,000013416 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	14,82 ± 0,12 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1967
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁴¹Sm

Massagetal	141
neutron number	79
Relative Atomic Mass	140,918481545 ± 0,000009162 Da
g-factor	-1,48 ± 0,04
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	10,2 ± 0,2 m
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1967
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹⁴²Sm

Massagetal	142
neutron number	80
Relative Atomic Mass	141,915209415 ± 0,000002002 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	72,49 ± 0,05 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1959
parity	+

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

¹⁴³Sm

Massagetal	143
neutron number	81
Relative Atomic Mass	142,914634848 ± 0,000002951 Da
g-factor	0,67333333333333 ± 0,013333333333333
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	8,75 ± 0,06 m
spin	3/2
nuclear quadrupole moment	0,4 ± 0,2
ontdekkingsdatum	1956
parity	+

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

¹⁴⁴Sm

Massagetal	144
neutron number	82
Relative Atomic Mass	143,912006285 ± 0,000001566 Da
g-factor	0
natural abundance	3,08 ± 0,04
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1933
parity	+

decay mode	intensity
2β⁺ (double β⁺ decay)

¹⁴⁵Sm

Massagetal	145
neutron number	83
Relative Atomic Mass	144,913417157 ± 0,000001594 Da
g-factor	-0,32 ± 0,0031428571428571
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	340 ± 3 d
spin	7/2
nuclear quadrupole moment	-0,6 ± 0,07
ontdekkingsdatum	1947
parity	-

decay mode	intensity
ϵ (electron capture)	100%

¹⁴⁶Sm

Massagetal	146
neutron number	84
Relative Atomic Mass	145,913046835 ± 0,000003269 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	68 ± 7 My
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1953
parity	+

decay mode	intensity
α (α emission)	100%

¹⁴⁷Sm

Massagetal	147
neutron number	85
Relative Atomic Mass	146,914904401 ± 0,000001354 Da
g-factor	-0,23114285714286 ± 0,0004
natural abundance	15 ± 0,14
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	106,6 ± 0,5 Gy
spin	7/2
nuclear quadrupole moment	-0,26 ± 0,03
ontdekkingsdatum	1933
parity	-

decay mode	intensity
α (α emission)	100%

¹⁴⁸Sm

Massagetal	148
neutron number	86
Relative Atomic Mass	147,914829233 ± 0,000001337 Da
g-factor	0
natural abundance	11,25 ± 0,09
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	6,3 ± 1,3 Py
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1933
parity	+

decay mode	intensity
α (α emission)	100%

¹⁴⁹Sm

Massagetal	149
neutron number	87
Relative Atomic Mass	148,917191211 ± 0,000001241 Da
g-factor	-0,19077142857143 ± 0,00031428571428571
natural abundance	13,82 ± 0,1
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	7/2
nuclear quadrupole moment	0,075 ± 0,008
ontdekkingsdatum	1933
parity	-

decay mode	intensity
α (α emission)

¹⁵⁰Sm

Massagetal	150
neutron number	88
Relative Atomic Mass	149,917281993 ± 0,000001193 Da
g-factor	0
natural abundance	7,37 ± 0,09
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1934
parity	+

¹⁵¹Sm

Massagetal	151
neutron number	89
Relative Atomic Mass	150,919938859 ± 0,000001191 Da
g-factor	-0,1442 ± 0,00024
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	94,6 ± 0,6 y
spin	5/2
nuclear quadrupole moment	0,71 ± 0,07
ontdekkingsdatum	1947
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵²Sm

Massagetal	152
neutron number	90
Relative Atomic Mass	151,919738646 ± 0,00000109 Da
g-factor	0
natural abundance	26,74 ± 0,09
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1933
parity	+

¹⁵³Sm

Massagetal	153
neutron number	91
Relative Atomic Mass	152,922103576 ± 0,0000011 Da
g-factor	-0,014 ± 0,002
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	46,2846 ± 0,0023 h
spin	3/2
nuclear quadrupole moment	1,3 ± 0,12
ontdekkingsdatum	1938
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁴Sm

Massagetal	154
neutron number	92
Relative Atomic Mass	153,922215756 ± 0,0000014 Da
g-factor	0
natural abundance	22,74 ± 0,14
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1933
parity	+

decay mode	intensity
2β⁻ (double β⁻ decay)

¹⁵⁵Sm

Massagetal	155
neutron number	93
Relative Atomic Mass	154,924646645 ± 0,000001429 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	22,18 ± 0,06 m
spin	3/2
nuclear quadrupole moment	1,13 ± 0,13
ontdekkingsdatum	1951
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁶Sm

Massagetal	156
neutron number	94
Relative Atomic Mass	155,925538191 ± 0,000009148 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	9,4 ± 0,2 h
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1951
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁷Sm

Massagetal	157
neutron number	95
Relative Atomic Mass	156,928418598 ± 0,000004759 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	8,03 ± 0,07 m
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1973
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁸Sm

Massagetal	158
neutron number	96
Relative Atomic Mass	157,929949262 ± 0,000005133 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	5,3 ± 0,03 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1970
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁵⁹Sm

Massagetal	159
neutron number	97
Relative Atomic Mass	158,93321713 ± 0,00000637 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	11,37 ± 0,15 s
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1986
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁶⁰Sm

Massagetal	160
neutron number	98
Relative Atomic Mass	159,935337032 ± 0,0000021 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	9,6 ± 0,3 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1986
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁶¹Sm

Massagetal	161
neutron number	99
Relative Atomic Mass	160,939160062 ± 0,000007318 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,8 ± 0,4 s
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	1998
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁶²Sm

Massagetal	162
neutron number	100
Relative Atomic Mass	161,941621687 ± 0,000003782 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,7 ± 0,3 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2005
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁶³Sm

Massagetal	163
neutron number	101
Relative Atomic Mass	162,945679085 ± 0,0000079 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,3 ± 0,5 s
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	2012
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁶⁴Sm

Massagetal	164
neutron number	102
Relative Atomic Mass	163,948550061 ± 0,0000044 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,43 ± 0,24 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁶⁵Sm

Massagetal	165
neutron number	103
Relative Atomic Mass	164,95329 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	980 ± 210 ms
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	2012
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁶⁶Sm

Massagetal	166
neutron number	104
Relative Atomic Mass	165,956575 ± 0,000429 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	800 ± 630 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2017
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁶⁷Sm

Massagetal	167
neutron number	105
Relative Atomic Mass	166,962072 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	2018
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

¹⁶⁸Sm

Massagetal	168
neutron number	106
Relative Atomic Mass	167,966033 ± 0,000322 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2018
parity	+

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

geskiedenis

Ontdek deur	Paul Émile Lecoq de Boisbaudran
ligging van ontdekking	France
ontdekkingsdatum	1879
etimologie	Named after the mineral samarskite.
uitspraak	seh-MER-i-em (Engels)

source

Abundance
Abundance in Earth's crust	7,05 mg/kg
natural abundance (oseaan)	0,00000045 mg/L
natural abundance (human body)
natural abundance (Meteoroïde)	0,000017 %
natural abundance (Son)	0,0000001 %
Abundance in Universe	0,0000005 %

Nuclear Screening Constants

1	s	1.2217
2	p	4.269
2	s	16.2652
3	d	13.7711
3	p	19.5815
3	s	19.9736
4	d	33.7604
4	f	38.4684
4	p	30.912
4	s	29.7076
5	p	45.719
5	s	43.751
6	s	53.9882

Samarium on ChemicalAid

Australian Educational Vocabulary ID	scot/3571
BNCF	38281
CAB ID	258535
CAS Registry Number	7440-19-9
ChEBI ID	33374
ChemSpider ID	22391
DSSTOX compound identifier	DTXCID6047652
DSSTox substance ID	DTXSID4064688
Den Store Danske ID	samarium
DrugBank ID	12403
ECHA Substance Infocard ID	100.028.298
Elhuyar ZTH ID	030419
Encyclopedia of China ID (Second Edition)	228324
Encyclopædia Britannica Online ID	science/samarium
Encyclopædia Universalis ID	samarium
Freebase-kode	/m/025sf93
GND ID	4179010-8
Gran Enciclopèdia Catalana ID	0140967
Great Russian Encyclopedia Online ID	3530040
HSDB ID	7863
InChI	InChI=1S/Sm
InChIKey	KZUNJOHGWZRPMI-UHFFFAOYSA-N
KBpedia ID	Samarium
LCCN	sh85117001
MeSH descriptor ID	D012493
NKC-kode	ph174621
Namuwiki ID	사마륨
National Library of Israel J9U ID	987007553579605171
OmegaWiki Defined Meaning	356071
OpenAlex ID	C536819264
Probes And Drugs ID	PD058083
PubChem CID	23951
Quora topic ID	Samarium
RxNorm ID	9549
Römpp online ID	RD-19-00275
Store norske leksikon ID	samarium
Treccani ID	samario
UNII	42OD65L39F
USGS Thesaurus ID	1566
WordNet 3.1 Synset ID	14677775-n

Samarium (Sm)

Physical Property

Chemical Property

other

Isotopes of Samarium

128Sm

129Sm

130Sm

131Sm

132Sm

133Sm

134Sm

135Sm

136Sm

137Sm

138Sm

139Sm

140Sm

141Sm

142Sm

143Sm

144Sm

145Sm

146Sm

147Sm

148Sm

149Sm

150Sm

151Sm

152Sm

153Sm

154Sm

155Sm

156Sm

157Sm

158Sm

159Sm

160Sm

161Sm

162Sm

163Sm

164Sm

165Sm

166Sm

167Sm

168Sm

geskiedenis

source

Nuclear Screening Constants

¹²⁸Sm

¹²⁹Sm

¹³⁰Sm

¹³¹Sm

¹³²Sm

¹³³Sm

¹³⁴Sm

¹³⁵Sm

¹³⁶Sm

¹³⁷Sm

¹³⁸Sm

¹³⁹Sm

¹⁴⁰Sm

¹⁴¹Sm

¹⁴²Sm

¹⁴³Sm

¹⁴⁴Sm

¹⁴⁵Sm

¹⁴⁶Sm

¹⁴⁷Sm

¹⁴⁸Sm

¹⁴⁹Sm

¹⁵⁰Sm

¹⁵¹Sm

¹⁵²Sm

¹⁵³Sm

¹⁵⁴Sm

¹⁵⁵Sm

¹⁵⁶Sm

¹⁵⁷Sm

¹⁵⁸Sm

¹⁵⁹Sm

¹⁶⁰Sm

¹⁶¹Sm

¹⁶²Sm

¹⁶³Sm

¹⁶⁴Sm

¹⁶⁵Sm

¹⁶⁶Sm

¹⁶⁷Sm

¹⁶⁸Sm