Itterbium (Yb)

element with the atomic number of 70

Atomic Number	70
Atomic Weight	173.045
Massagetal	174

Group
Period	6
Block	f

proton	70 p⁺
neutron	104 n⁰
elektron	70 e^-

Physical Property

Atoomradius	175 pm 277 pm
molar volume	24,8 cm³/mol
Covalent Radius	170 pm 129 pm 187 pm
Metallic Radius
Ioonradius	102 pm 108 pm 114 pm 86,8 pm 92,5 pm 98,5 pm 104,2 pm
Crystal Radius	116 pm 122 pm 128 pm 100,8 pm 106,5 pm 112,5 pm 118,2 pm
Van der Waals radius	226 pm 279 pm 335,5 pm
density	6,9 g/cm³ 6 210 kg/m³

Chemical Property

{ERROR}

energie

proton affinity
electron affinity	-0,02 eV/particle
ionization energy	6,25416 eV/particle 12,179184 eV/particle 25,053 eV/particle 43,56 eV/particle 65,58 eV/particle 99 eV/particle 117 eV/particle 135 eV/particle 163 eV/particle 182 eV/particle 209 eV/particle 244 eV/particle 279 eV/particle 301 eV/particle 324 eV/particle 360 eV/particle 396 eV/particle 431 eV/particle 469 eV/particle 505 eV/particle 540 eV/particle 580 eV/particle 620 eV/particle 651 eV/particle 882 eV/particle 924 eV/particle 971 eV/particle 1 019 eV/particle 1 065 eV/particle 1 114 eV/particle 1 175 eV/particle 1 224 eV/particle 1 275 eV/particle 1 324 eV/particle 1 516 eV/particle 1 564 eV/particle 1 618 eV/particle 1 668 eV/particle 1 789 eV/particle 1 845 eV/particle 1 978 eV/particle 2 036,4 eV/particle 3 443 eV/particle 3 555 eV/particle 3 677 eV/particle 3 805 eV/particle 3 929 eV/particle 4 051 eV/particle 4 238 eV/particle 4 364 eV/particle 4 502 eV/particle 4 630 eV/particle 4 988 eV/particle 5 101 eV/particle 5 224 eV/particle 5 339 eV/particle 5 731 eV/particle 5 860 eV/particle 6 111 eV/particle 6 236 eV/particle 13 784 eV/particle 14 093 eV/particle 14 435 eV/particle 14 752 eV/particle 16 191 eV/particle 16 570 eV/particle 17 050 eV/particle 17 365,44 eV/particle 70 123,04 eV/particle 71 574,79 eV/particle

Verdampingswarmte	159 kJ/mol
smeltingswarmte	3,35 kJ/mol
Vormingsentalpie	155,6 kJ/mol
elektron

Elektronskil	2, 8, 18, 32, 8, 2

Valenselektrone	2 ⓘ

elektronkonfigurasie	[Xe] 4f¹⁴ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 6s²

Oksidasietoestand	0, 1, 2, 3
Elektronegatiwiteit	0.22119
Electrophilicity Index	0,7743018767771305 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	1 469,15 K
Melting Point	1 097,15 K
critical pressure
critical temperature
triple point
appearance
kleur	Black #ff1493 #00bf38 #00bf38
appearance
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion	0,0000263 1/K
molar heat capacity	26,74 J/(mol K)
Specific Heat Capacity	0,155 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
Geleidingsvermoë	3,6 MS/m
Elektriese resistiwiteit	0,00000028 Ω*m
superconductivity
Magnetisme
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000059 m³/Kg
magnetic susceptibility (Molar)	0,00000000102 m³/mol
magnetic susceptibility (Volume)	0,0000388
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure	{ERROR}
lattice constant	5,49 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hardness	343 MPa 206 MPa
Massamodulus	31 GPa
Skuifmodulus	9,9 GPa
Young se modulus	24 GPa
Poisson se verhouding	0,21
Spoed van klank	1 590 m/s
classification
Category	Actinides, Lanthanides
CAS Group
IUPAC Group
Glawe Number	18
Mendeleev Number	39
Pettifor Number	17
Geochemical Class	rare earth & related
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	139 ± 6 a₀
C6 Dispersion Coefficient	1 910 a₀
allotrope
Neutron cross section	35
Neutron Mass Absorption	0,0076
quantum number	1S0
Ruimtegroep	225 (Fm_3m)

Isotopes of Ytterbium

Stable Isotopes	5
Unstable Isotopes	33
Natural Isotopes	7

¹⁴⁸Yb

Massagetal	148
neutron number	78
Relative Atomic Mass	147,967547 ± 0,000429 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)

¹⁴⁹Yb

Massagetal	149
neutron number	79
Relative Atomic Mass	148,964219 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	700 ± 200 ms
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	2001
parity	+

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

¹⁵⁰Yb

Massagetal	150
neutron number	80
Relative Atomic Mass	149,958314 ± 0,000322 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2000
parity	+

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

¹⁵¹Yb

Massagetal	151
neutron number	81
Relative Atomic Mass	150,955402453 ± 0,000322591 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,6 ± 0,5 s
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1985
parity	+

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

¹⁵²Yb

Massagetal	152
neutron number	82
Relative Atomic Mass	151,950326699 ± 0,000160718 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,03 ± 0,06 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1982
parity	+

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

¹⁵³Yb

Massagetal	153
neutron number	83
Relative Atomic Mass	152,949372 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,2 ± 0,2 s
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	1977
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)
α (α emission)
β⁺ p (β⁺-delayed proton emission)	0.008%

¹⁵⁴Yb

Massagetal	154
neutron number	84
Relative Atomic Mass	153,946395696 ± 0,000018551 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	409 ± 2 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1964
parity	+

decay mode	intensity
α (α emission)	92.6%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	7.4%

¹⁵⁵Yb

Massagetal	155
neutron number	85
Relative Atomic Mass	154,945783216 ± 0,00001782 Da
g-factor	-0,26 ± 0,0057142857142857
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,793 ± 0,02 s
spin	7/2
nuclear quadrupole moment	-0,5 ± 0,3
ontdekkingsdatum	1964
parity	-

decay mode	intensity
α (α emission)	89%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	11%

¹⁵⁶Yb

Massagetal	156
neutron number	86
Relative Atomic Mass	155,942817096 ± 0,000009992 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	26,1 ± 0,7 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1970
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	90%
α (α emission)	10%

¹⁵⁷Yb

Massagetal	157
neutron number	87
Relative Atomic Mass	156,942651368 ± 0,000011706 Da
g-factor	-0,182 ± 0,0022857142857143
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	38,6 ± 1 s
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	1970
parity	-

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

¹⁵⁸Yb

Massagetal	158
neutron number	88
Relative Atomic Mass	157,939871202 ± 0,000008559 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,49 ± 0,13 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1967
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
α (α emission)	0.0021%

¹⁵⁹Yb

Massagetal	159
neutron number	89
Relative Atomic Mass	158,940060257 ± 0,000018874 Da
g-factor	-0,146 ± 0,0032
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,67 ± 0,09 m
spin	5/2
nuclear quadrupole moment	-0,22 ± 0,02
ontdekkingsdatum	1975
parity	-

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

¹⁶⁰Yb

Massagetal	160
neutron number	90
Relative Atomic Mass	159,93755921 ± 0,0000059 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,8 ± 0,2 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1967
parity	+

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

¹⁶¹Yb

Massagetal	161
neutron number	91
Relative Atomic Mass	160,937912384 ± 0,000016211 Da
g-factor	-0,21733333333333 ± 0,0053333333333333
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,2 ± 0,2 m
spin	3/2
nuclear quadrupole moment	1,03 ± 0,02
ontdekkingsdatum	1974
parity	-

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

¹⁶²Yb

Massagetal	162
neutron number	92
Relative Atomic Mass	161,935779342 ± 0,000016213 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	18,87 ± 0,19 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1963
parity	+

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

¹⁶³Yb

Massagetal	163
neutron number	93
Relative Atomic Mass	162,936345406 ± 0,000016215 Da
g-factor	-0,24866666666667 ± 0,0053333333333333
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	11,05 ± 0,35 m
spin	3/2
nuclear quadrupole moment	1,24 ± 0,02
ontdekkingsdatum	1967
parity	-

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

¹⁶⁴Yb

Massagetal	164
neutron number	94
Relative Atomic Mass	163,934500743 ± 0,000016217 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	75,8 ± 1,7 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1960
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁶⁵Yb

Massagetal	165
neutron number	95
Relative Atomic Mass	164,935270241 ± 0,00002849 Da
g-factor	0,1908 ± 0,0032
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	9,9 ± 0,3 m
spin	5/2
nuclear quadrupole moment	2,48 ± 0,04
ontdekkingsdatum	1964
parity	-

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

¹⁶⁶Yb

Massagetal	166
neutron number	96
Relative Atomic Mass	165,933876439 ± 0,000007515 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	56,7 ± 0,1 h
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1954
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁶⁷Yb

Massagetal	167
neutron number	97
Relative Atomic Mass	166,934954069 ± 0,000004251 Da
g-factor	0,2484 ± 0,0032
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	17,5 ± 0,2 m
spin	5/2
nuclear quadrupole moment	2,7 ± 0,04
ontdekkingsdatum	1954
parity	-

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

¹⁶⁸Yb

Massagetal	168
neutron number	98
Relative Atomic Mass	167,933891297 ± 0,0000001 Da
g-factor	0
natural abundance	0,123 ± 0,003
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1938
parity	+

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

¹⁶⁹Yb

Massagetal	169
neutron number	99
Relative Atomic Mass	168,935184208 ± 0,000000191 Da
g-factor	-0,18085714285714 ± 0,0022857142857143
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	32,014 ± 0,005 d
spin	7/2
nuclear quadrupole moment	3,54 ± 0,06
ontdekkingsdatum	1946
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁷⁰Yb

Massagetal	170
neutron number	100
Relative Atomic Mass	169,934767242 ± 0,000000011 Da
g-factor	0
natural abundance	2,982 ± 0,039
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1938
parity	+

¹⁷¹Yb

Massagetal	171
neutron number	101
Relative Atomic Mass	170,936331515 ± 0,000000013 Da
g-factor	0,9846 ± 0,0008
natural abundance	14,086 ± 0,14
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1934
parity	-

¹⁷²Yb

Massagetal	172
neutron number	102
Relative Atomic Mass	171,936386654 ± 0,000000014 Da
g-factor	0
natural abundance	21,686 ± 0,13
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1934
parity	+

¹⁷³Yb

Massagetal	173
neutron number	103
Relative Atomic Mass	172,938216211 ± 0,000000012 Da
g-factor	-0,2712 ± 0,00024
natural abundance	16,103 ± 0,063
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	5/2
nuclear quadrupole moment	2,8 ± 0,04
ontdekkingsdatum	1934
parity	-

¹⁷⁴Yb

Massagetal	174
neutron number	104
Relative Atomic Mass	173,938867545 ± 0,000000011 Da
g-factor	0
natural abundance	32,025 ± 0,08
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1934
parity	+

¹⁷⁵Yb

Massagetal	175
neutron number	105
Relative Atomic Mass	174,941281907 ± 0,000000076 Da
g-factor	0,21885714285714 ± 0,0022857142857143
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,185 ± 0,001 d
spin	7/2
nuclear quadrupole moment	3,52 ± 0,05
ontdekkingsdatum	1945
parity	-

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

¹⁷⁶Yb

Massagetal	176
neutron number	106
Relative Atomic Mass	175,942574706 ± 0,000000015 Da
g-factor	0
natural abundance	12,995 ± 0,083
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1934
parity	+

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

¹⁷⁷Yb

Massagetal	177
neutron number	107
Relative Atomic Mass	176,945263846 ± 0,000000236 Da
g-factor	-0,15444444444444 ± 0,0033333333333333
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,911 ± 0,003 h
spin	9/2
nuclear quadrupole moment	4,03 ± 0,06
ontdekkingsdatum	1945
parity	+

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

¹⁷⁸Yb

Massagetal	178
neutron number	108
Relative Atomic Mass	177,9466694 ± 0,000007072 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	74 ± 3 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1973
parity	+

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

¹⁷⁹Yb

Massagetal	179
neutron number	109
Relative Atomic Mass	178,94993 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	8 ± 0,4 m
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1982
parity	-

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

¹⁸⁰Yb

Massagetal	180
neutron number	110
Relative Atomic Mass	179,951991 ± 0,000322 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,4 ± 0,5 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1987
parity	+

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

¹⁸¹Yb

Massagetal	181
neutron number	111
Relative Atomic Mass	180,95589 ± 0,00032 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	2000
parity	-

decay mode	intensity
β⁻ (β⁻ decay)

¹⁸²Yb

Massagetal	182
neutron number	112
Relative Atomic Mass	181,958239 ± 0,000429 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

¹⁸³Yb

Massagetal	183
neutron number	113
Relative Atomic Mass	182,962426 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	2012
parity	-

decay mode	intensity
β⁻ (β⁻ decay)

¹⁸⁴Yb

Massagetal	184
neutron number	114
Relative Atomic Mass	183,965002 ± 0,00054 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2012
parity	+

decay mode	intensity
β⁻ (β⁻ decay)

¹⁸⁵Yb

Massagetal	185
neutron number	115
Relative Atomic Mass	184,969425 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	9/2
nuclear quadrupole moment
ontdekkingsdatum	2012
parity	-

decay mode	intensity
β⁻ (β⁻ decay)

geskiedenis

Ontdek deur	Jean de Marignac
ligging van ontdekking	Switzerland
ontdekkingsdatum	1878
etimologie	Named for the Swedish village of Ytterby.
uitspraak	i-TUR-bi-em (Engels)

source

Abundance
Abundance in Earth's crust	3,2 mg/kg
natural abundance (oseaan)	0,00000082 mg/L
natural abundance (human body)
natural abundance (Meteoroïde)	0,000018 %
natural abundance (Son)	0,0000001 %
Abundance in Universe	0,0000002 %

Nuclear Screening Constants

1	s	1.3611
2	p	4.3716
2	s	18.306
3	d	13.6033
3	p	20.6635
3	s	21.2398
4	d	36.4104
4	f	40.568
4	p	33.598
4	s	32.4824
5	p	52.1685
5	s	49.85
6	s	61.4068

Itterbium on ChemicalAid

Itterbium (Yb)

Physical Property

Chemical Property

other

Isotopes of Ytterbium

148Yb

149Yb

150Yb

151Yb

152Yb

153Yb

154Yb

155Yb

156Yb

157Yb

158Yb

159Yb

160Yb

161Yb

162Yb

163Yb

164Yb

165Yb

166Yb

167Yb

168Yb

169Yb

170Yb

171Yb

172Yb

173Yb

174Yb

175Yb

176Yb

177Yb

178Yb

179Yb

180Yb

181Yb

182Yb

183Yb

184Yb

185Yb

geskiedenis

source

Nuclear Screening Constants

¹⁴⁸Yb

¹⁴⁹Yb

¹⁵⁰Yb

¹⁵¹Yb

¹⁵²Yb

¹⁵³Yb

¹⁵⁴Yb

¹⁵⁵Yb

¹⁵⁶Yb

¹⁵⁷Yb

¹⁵⁸Yb

¹⁵⁹Yb

¹⁶⁰Yb

¹⁶¹Yb

¹⁶²Yb

¹⁶³Yb

¹⁶⁴Yb

¹⁶⁵Yb

¹⁶⁶Yb

¹⁶⁷Yb

¹⁶⁸Yb

¹⁶⁹Yb

¹⁷⁰Yb

¹⁷¹Yb

¹⁷²Yb

¹⁷³Yb

¹⁷⁴Yb

¹⁷⁵Yb

¹⁷⁶Yb

¹⁷⁷Yb

¹⁷⁸Yb

¹⁷⁹Yb

¹⁸⁰Yb

¹⁸¹Yb

¹⁸²Yb

¹⁸³Yb

¹⁸⁴Yb

¹⁸⁵Yb