Serium (Ce)

chemical element with the atomic number of 58

Atomic Number	58
Atomic Weight	140.116
Massagetal	140

Group
Period	6
Block	f

proton	58 p⁺
neutron	82 n⁰
elektron	58 e^-

Physical Property

Atoomradius	185 pm 282 pm
molar volume	21 cm³/mol
Covalent Radius	163 pm 137 pm 131 pm 204 pm
Metallic Radius
Ioonradius	101 pm 107 pm 114,3 pm 119,6 pm 125 pm 134 pm 87 pm 97 pm 97 pm 114 pm
Crystal Radius	115 pm 121 pm 128,3 pm 133,6 pm 139 pm 148 pm 101 pm 111 pm 121 pm 128 pm
Van der Waals radius	242 pm 274 pm 355,6 pm
density	6,77 g/cm³ 6 550 kg/m³

Chemical Property

{ERROR}

energie

proton affinity
electron affinity	0,65 eV/particle
ionization energy	5,5386 eV/particle 10,85 eV/particle 20,1974 eV/particle 36,906 eV/particle 65,55 eV/particle 77,6 eV/particle 91 eV/particle 106 eV/particle 125 eV/particle 140 eV/particle 172 eV/particle 192,24 eV/particle 312 eV/particle 340 eV/particle 371 eV/particle 403 eV/particle 435 eV/particle 472 eV/particle 509 eV/particle 543 eV/particle 579 eV/particle 613 eV/particle 749 eV/particle 785 eV/particle 824 eV/particle 862 eV/particle 924 eV/particle 965 eV/particle 1 060 eV/particle 1 103,53 eV/particle 1 908 eV/particle 1 994 eV/particle 2 087 eV/particle 2 185 eV/particle 2 280 eV/particle 2 378 eV/particle 2 500 eV/particle 2 600 eV/particle 2 706 eV/particle 2 806 eV/particle 3 087 eV/particle 3 176 eV/particle 3 274 eV/particle 3 366 eV/particle 3 570 eV/particle 3 672 eV/particle 3 865 eV/particle 3 963 eV/particle 9 020 eV/particle 9 269 eV/particle 9 545 eV/particle 9 803 eV/particle 10 542 eV/particle 10 840 eV/particle 11 210 eV/particle 11 459,85 eV/particle 46 840,304 eV/particle 47 965,72 eV/particle

Verdampingswarmte	398 kJ/mol
smeltingswarmte	5,2 kJ/mol
Vormingsentalpie	420,1 kJ/mol
elektron

Elektronskil	2, 8, 18, 19, 9, 2

Valenselektrone	2 ⓘ

elektronkonfigurasie	[Xe] 4f¹ 5d¹ 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹ 5d¹ 6s²

Oksidasietoestand	2, 3, 4
Elektronegatiwiteit	0.16761 1.12
Electrophilicity Index	0,9792877807552266 eV/particle
fundamental state of matter

phase of matter
gaseous state of matter
Boiling Point	3 716,15 K
Melting Point	1 072,15 K
critical pressure
critical temperature
triple point
appearance
kleur	Black #ff1493 #ffffc7 #ffffc7
appearance	silvery white
Brekingsindeks
thermodynamic material property
Thermal Conductivity	11,3 W/(m K)
thermal expansion	0,0000063 1/K
molar heat capacity	26,94 J/(mol K)
Specific Heat Capacity	0,192 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
Geleidingsvermoë	1,4 MS/m
Elektriese resistiwiteit	0,00000075 Ω*m
superconductivity	0,022 K
Magnetisme
type	paramagnetic
magnetic susceptibility (Mass)	0,00000022 m³/Kg
magnetic susceptibility (Molar)	0,000000030826 m³/mol
magnetic susceptibility (Volume)	0,0014716
magnetic ordering
Curie temperature
Néel temperature	12,5 K
structure
Crystal Structure	{ERROR}
lattice constant	5,16 Å
Lattice Angles	π/2, π/2, 2 π/3
mechanical property
hardness	412 MPa 2,5 MPa 270 MPa
Massamodulus	22 GPa
Skuifmodulus	14 GPa
Young se modulus	34 GPa
Poisson se verhouding	0,24
Spoed van klank	2 100 m/s
classification
Category	Actinides, Lanthanides
CAS Group
IUPAC Group
Glawe Number	31
Mendeleev Number	15
Pettifor Number	32
Geochemical Class	rare earth & related
Goldschmidt classification	litophile

other

Gas Basicity
polarizability	205 ± 20 a₀
C6 Dispersion Coefficient	3 480 a₀
allotrope
Neutron cross section	0,6
Neutron Mass Absorption	0,00021
quantum number	1G4
Ruimtegroep	194 (P63/mmc)

Isotopes of Cerium

Stable Isotopes	1
Unstable Isotopes	40
Natural Isotopes	4

¹¹⁹Ce

Massagetal	119
neutron number	61
Relative Atomic Mass	118,952957 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum
parity	+

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

¹²⁰Ce

Massagetal	120
neutron number	62
Relative Atomic Mass	119,946613 ± 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)

¹²¹Ce

Massagetal	121
neutron number	63
Relative Atomic Mass	120,943435 ± 0,00043 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,1 ± 0,1 s
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1997
parity

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	1%

¹²²Ce

Massagetal	122
neutron number	64
Relative Atomic Mass	121,93787 ± 0,00043 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2005
parity	+

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

¹²³Ce

Massagetal	123
neutron number	65
Relative Atomic Mass	122,93528 ± 0,00032 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,8 ± 0,2 s
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1984
parity

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

¹²⁴Ce

Massagetal	124
neutron number	66
Relative Atomic Mass	123,93031 ± 0,00032 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	9,1 ± 1,2 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1978
parity	+

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

¹²⁵Ce

Massagetal	125
neutron number	67
Relative Atomic Mass	124,92844 ± 0,00021 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	9,7 ± 0,3 s
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	1978
parity	-

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

¹²⁶Ce

Massagetal	126
neutron number	68
Relative Atomic Mass	125,923971 ± 0,00003 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	51 ± 0,3 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1978
parity	+

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

¹²⁷Ce

Massagetal	127
neutron number	69
Relative Atomic Mass	126,922727 ± 0,000031 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	34 ± 2 s
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1978
parity	+

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

¹²⁸Ce

Massagetal	128
neutron number	70
Relative Atomic Mass	127,918911 ± 0,00003 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,93 ± 0,02 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1968
parity	+

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

¹²⁹Ce

Massagetal	129
neutron number	71
Relative Atomic Mass	128,918102 ± 0,00003 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,5 ± 0,3 m
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1977
parity	+

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

¹³⁰Ce

Massagetal	130
neutron number	72
Relative Atomic Mass	129,914736 ± 0,00003 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	22,9 ± 0,5 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1965
parity	+

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

¹³¹Ce

Massagetal	131
neutron number	73
Relative Atomic Mass	130,914429465 ± 0,000035214 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	10,3 ± 0,3 m
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	1966
parity	+

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

¹³²Ce

Massagetal	132
neutron number	74
Relative Atomic Mass	131,911466226 ± 0,000021907 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,51 ± 0,11 h
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1960
parity	+

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

¹³³Ce

Massagetal	133
neutron number	75
Relative Atomic Mass	132,911520402 ± 0,000017557 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	97 ± 4 m
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1951
parity	+

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

¹³⁴Ce

Massagetal	134
neutron number	76
Relative Atomic Mass	133,908928142 ± 0,000021886 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,16 ± 0,04 d
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1951
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹³⁵Ce

Massagetal	135
neutron number	77
Relative Atomic Mass	134,909160662 ± 0,000011021 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	17,7 ± 0,3 h
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1948
parity	+

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

¹³⁶Ce

Massagetal	136
neutron number	78
Relative Atomic Mass	135,907129256 ± 0,000000348 Da
g-factor	0
natural abundance	0,186 ± 0,002
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1936
parity	+

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

¹³⁷Ce

Massagetal	137
neutron number	79
Relative Atomic Mass	136,907762416 ± 0,000000386 Da
g-factor	0,64 ± 0,026666666666667
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	9 ± 0,3 h
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1948
parity	+

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

¹³⁸Ce

Massagetal	138
neutron number	80
Relative Atomic Mass	137,90599418 ± 0,000000536 Da
g-factor	0
natural abundance	0,251 ± 0,002
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1936
parity	+

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

¹³⁹Ce

Massagetal	139
neutron number	81
Relative Atomic Mass	138,906647029 ± 0,000002242 Da
g-factor	0,70666666666667 ± 0,026666666666667
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	137,642 ± 0,02 d
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1948
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹⁴⁰Ce

Massagetal	140
neutron number	82
Relative Atomic Mass	139,905448433 ± 0,000001409 Da
g-factor	0
natural abundance	88,449 ± 0,051
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1925
parity	+

¹⁴¹Ce

Massagetal	141
neutron number	83
Relative Atomic Mass	140,908285991 ± 0,000001411 Da
g-factor	0,31142857142857 ± 0,011428571428571
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	32,505 ± 0,01 d
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	1948
parity	-

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

¹⁴²Ce

Massagetal	142
neutron number	84
Relative Atomic Mass	141,909250208 ± 0,000002623 Da
g-factor	0
natural abundance	11,114 ± 0,051
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1925
parity	+

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

¹⁴³Ce

Massagetal	143
neutron number	85
Relative Atomic Mass	142,912391953 ± 0,000002621 Da
g-factor	0,28666666666667 ± 0,0066666666666667
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	33,039 ± 0,006 h
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1948
parity	-

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

¹⁴⁴Ce

Massagetal	144
neutron number	86
Relative Atomic Mass	143,913652763 ± 0,000003041 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	284,886 ± 0,025 d
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1945
parity	+

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

¹⁴⁵Ce

Massagetal	145
neutron number	87
Relative Atomic Mass	144,917265113 ± 0,000036393 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,01 ± 0,06 m
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1954
parity	-

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

¹⁴⁶Ce

Massagetal	146
neutron number	88
Relative Atomic Mass	145,918812294 ± 0,000015743 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	13,49 ± 0,16 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1953
parity	+

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

¹⁴⁷Ce

Massagetal	147
neutron number	89
Relative Atomic Mass	146,9226899 ± 0,000009211 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	56,4 ± 1 s
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1964
parity	-

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

¹⁴⁸Ce

Massagetal	148
neutron number	90
Relative Atomic Mass	147,924424186 ± 0,000012017 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	56,8 ± 0,3 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1964
parity	+

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

¹⁴⁹Ce

Massagetal	149
neutron number	91
Relative Atomic Mass	148,9284269 ± 0,000011 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,94 ± 0,04 s
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1974
parity	-

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

¹⁵⁰Ce

Massagetal	150
neutron number	92
Relative Atomic Mass	149,930384032 ± 0,000012556 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	6,05 ± 0,07 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1970
parity	+

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

¹⁵¹Ce

Massagetal	151
neutron number	93
Relative Atomic Mass	150,9342722 ± 0,000019 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,76 ± 0,06 s
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1997
parity	-

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

¹⁵²Ce

Massagetal	152
neutron number	94
Relative Atomic Mass	151,936682 ± 0,000215 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,42 ± 0,02 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1990
parity	+

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

¹⁵³Ce

Massagetal	153
neutron number	95
Relative Atomic Mass	152,941052 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	865 ± 25 ms
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1994
parity	-

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

¹⁵⁴Ce

Massagetal	154
neutron number	96
Relative Atomic Mass	153,94394 ± 0,000215 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	722 ± 14 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1994
parity	+

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

¹⁵⁵Ce

Massagetal	155
neutron number	97
Relative Atomic Mass	154,948706 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	313 ± 7 ms
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1994
parity	-

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

¹⁵⁶Ce

Massagetal	156
neutron number	98
Relative Atomic Mass	155,951884 ± 0,000322 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	233 ± 9 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2017
parity	+

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

¹⁵⁷Ce

Massagetal	157
neutron number	99
Relative Atomic Mass	156,957133 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	175 ± 41 ms
spin	7/2
nuclear quadrupole moment
ontdekkingsdatum	2017
parity	+

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

¹⁵⁸Ce

Massagetal	158
neutron number	100
Relative Atomic Mass	157,960773 ± 0,000429 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	99 ± 93 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2016
parity	+

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

¹⁵⁹Ce

Massagetal	159
neutron number	101
Relative Atomic Mass	158,966355 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum
parity	-

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

geskiedenis

Ontdek deur	W. von Hisinger, J. Berzelius, M. Klaproth
ligging van ontdekking	Sweden/Germany
ontdekkingsdatum	1803
etimologie	Named after the asteroid, Ceres, discovered two years before the element.
uitspraak	SER-i-em (Engels)

source

Abundance
Abundance in Earth's crust	66,5 mg/kg
natural abundance (oseaan)	0,0000012 mg/L
natural abundance (human body)
natural abundance (Meteoroïde)	0,000075 %
natural abundance (Son)	0,0000004 %
Abundance in Universe	0,000001 %

Nuclear Screening Constants

1	s	1.1519
2	p	4.2176
2	s	15.26
3	d	13.9147
3	p	19.0405
3	s	19.3408
4	d	32.3392
4	f	56.324
4	p	29.3936
4	s	28.32
5	p	41.0345
5	s	39.0865
6	s	47.2036

Serium on ChemicalAid

Serium (Ce)

Physical Property

Chemical Property

other

Isotopes of Cerium

119Ce

120Ce

121Ce

122Ce

123Ce

124Ce

125Ce

126Ce

127Ce

128Ce

129Ce

130Ce

131Ce

132Ce

133Ce

134Ce

135Ce

136Ce

137Ce

138Ce

139Ce

140Ce

141Ce

142Ce

143Ce

144Ce

145Ce

146Ce

147Ce

148Ce

149Ce

150Ce

151Ce

152Ce

153Ce

154Ce

155Ce

156Ce

157Ce

158Ce

159Ce

geskiedenis

source

Nuclear Screening Constants

¹¹⁹Ce

¹²⁰Ce

¹²¹Ce

¹²²Ce

¹²³Ce

¹²⁴Ce

¹²⁵Ce

¹²⁶Ce

¹²⁷Ce

¹²⁸Ce

¹²⁹Ce

¹³⁰Ce

¹³¹Ce

¹³²Ce

¹³³Ce

¹³⁴Ce

¹³⁵Ce

¹³⁶Ce

¹³⁷Ce

¹³⁸Ce

¹³⁹Ce

¹⁴⁰Ce

¹⁴¹Ce

¹⁴²Ce

¹⁴³Ce

¹⁴⁴Ce

¹⁴⁵Ce

¹⁴⁶Ce

¹⁴⁷Ce

¹⁴⁸Ce

¹⁴⁹Ce

¹⁵⁰Ce

¹⁵¹Ce

¹⁵²Ce

¹⁵³Ce

¹⁵⁴Ce

¹⁵⁵Ce

¹⁵⁶Ce

¹⁵⁷Ce

¹⁵⁸Ce

¹⁵⁹Ce