Seryûm

Seryûm (Ce)

chemical element with the atomic number of 58
Atomic Number58
Atomic Weight140.116
Hejmara baristeyî140
Group
Period6
Blockf
Proton58 p+
Notron82 n0
Kareva58 e-
Animated Bohr model of Ce (Seryûm)

Physical Property

Atomic Radius
185 pm
molar volume
Covalent Radius
163 pm
Metallic Radius
ionic radius
101 pm
Crystal Radius
115 pm
Van der Waals radius
242 pm
density
6,77 g/cm³
Atomic Radii Of The Elements: Seryûm0255075100125150175200225250pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
electron affinity
ionization energy
ionization energy of Ce (Seryûm)
enthalpy of vaporization
398 kJ/mol
enthalpy of fusion
5,2 kJ/mol
standard enthalpy of formation
420,1 kJ/mol
Kareva
electron shell2, 8, 18, 19, 9, 2
Bohr model: Ce (Seryûm)
valence electron2
Lewis structure: Ce (Seryûm)
electron configuration[Xe] 4f1 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f1 5d1 6s2
Enhanced Bohr model of Ce (Seryûm)
Orbital Diagram of Ce (Seryûm)
oxidation number2, 3, 4
electronegativity
1.12
Electrophilicity Index
0,9792877807552266 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3.716,15 K
Melting Point
1.072,15 K
critical pressure
critical temperature
triple point
appearance
color
Silver
appearancesilvery white
refractive index
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
typeConductor
electrical conductivity
1,4 MS/m
electrical resistivity
0,00000075 m Ω
superconductivity
0,022 K
magnetism
typeparamagnetic
magnetic susceptibility (Mass)
0,00000022 m³/Kg
magnetic susceptibility (Molar)
0,000000030826 m³/mol
magnetic susceptibility (Volume)
0,0014716
magnetic ordering
Germahiya Curie
Néel temperature
12,5 K
pêkhate
Crystal StructureSimple Hexagonal (FCC)
lattice constant
5,16 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
2,5 MPa
bulk modulus
22 GPa
shear modulus
14 GPa
Young's modulus
34 GPa
Poisson's ratio
0,24
Leza dengê
2.100 m/s
classification
CategoryLanthanides, Lanthanides
CAS Group
IUPAC Group
Glawe Number31
Mendeleev Number15
Pettifor Number32
Geochemical Classrare earth & related
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
205 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
0,6
Neutron Mass Absorption
0,00021
quantum number1G4
space group194 (P63/mmc)

Isotopes of Cerium

Stable Isotopes1
Unstable Isotopes40
Natural Isotopes4
Isotopic Composition14088.45%14088.45%14211.11%14211.11%1360.19%1360.19%1380.25%1380.25%

119Ce

Hejmara baristeyî119
neutron number61
Giraniya atomê
118,952957 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity+

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

120Ce

Hejmara baristeyî120
neutron number62
Giraniya atomê
119,946613 ± 0,000537 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê
parity+

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

121Ce

Hejmara baristeyî121
neutron number63
Giraniya atomê
120,943435 ± 0,00043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,1 ± 0,1 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity

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

122Ce

Hejmara baristeyî122
neutron number64
Giraniya atomê
121,93787 ± 0,00043 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2005
parity+

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

123Ce

Hejmara baristeyî123
neutron number65
Giraniya atomê
122,93528 ± 0,00032 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,8 ± 0,2 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1984
parity

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

124Ce

Hejmara baristeyî124
neutron number66
Giraniya atomê
123,93031 ± 0,00032 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
9,1 ± 1,2 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1978
parity+

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

125Ce

Hejmara baristeyî125
neutron number67
Giraniya atomê
124,92844 ± 0,00021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,7 ± 0,3 s
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1978
parity-

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

126Ce

Hejmara baristeyî126
neutron number68
Giraniya atomê
125,923971 ± 0,00003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
51 ± 0,3 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1978
parity+

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

127Ce

Hejmara baristeyî127
neutron number69
Giraniya atomê
126,922727 ± 0,000031 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
34 ± 2 s
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1978
parity+

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

128Ce

Hejmara baristeyî128
neutron number70
Giraniya atomê
127,918911 ± 0,00003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,93 ± 0,02 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1968
parity+

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

129Ce

Hejmara baristeyî129
neutron number71
Giraniya atomê
128,918102 ± 0,00003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,5 ± 0,3 m
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1977
parity+

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

130Ce

Hejmara baristeyî130
neutron number72
Giraniya atomê
129,914736 ± 0,00003 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
22,9 ± 0,5 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1965
parity+

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

131Ce

Hejmara baristeyî131
neutron number73
Giraniya atomê
130,914429465 ± 0,000035214 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
10,3 ± 0,3 m
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1966
parity+

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

132Ce

Hejmara baristeyî132
neutron number74
Giraniya atomê
131,911466226 ± 0,000021907 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,51 ± 0,11 h
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1960
parity+

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

133Ce

Hejmara baristeyî133
neutron number75
Giraniya atomê
132,911520402 ± 0,000017557 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
97 ± 4 m
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1951
parity+

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

134Ce

Hejmara baristeyî134
neutron number76
Giraniya atomê
133,908928142 ± 0,000021886 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,16 ± 0,04 d
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
ϵ (electron capture)100%

135Ce

Hejmara baristeyî135
neutron number77
Giraniya atomê
134,909160662 ± 0,000011021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
17,7 ± 0,3 h
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1948
parity+

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

136Ce

Hejmara baristeyî136
neutron number78
Giraniya atomê
135,907129256 ± 0,000000348 Da
g-factor
0
natural abundance
0,186 ± 0,002
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1936
parity+

decay modeintensity
+ (double β+ decay)

137Ce

Hejmara baristeyî137
neutron number79
Giraniya atomê
136,907762416 ± 0,000000386 Da
g-factor
0,64 ± 0,026666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
9 ± 0,3 h
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1948
parity+

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

138Ce

Hejmara baristeyî138
neutron number80
Giraniya atomê
137,90599418 ± 0,000000536 Da
g-factor
0
natural abundance
0,251 ± 0,002
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1936
parity+

decay modeintensity
+ (double β+ decay)

139Ce

Hejmara baristeyî139
neutron number81
Giraniya atomê
138,906647029 ± 0,000002242 Da
g-factor
0,70666666666667 ± 0,026666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
137,642 ± 0,02 d
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1948
parity+

decay modeintensity
ϵ (electron capture)100%

140Ce

Hejmara baristeyî140
neutron number82
Giraniya atomê
139,905448433 ± 0,000001409 Da
g-factor
0
natural abundance
88,449 ± 0,051
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1925
parity+

141Ce

Hejmara baristeyî141
neutron number83
Giraniya atomê
140,908285991 ± 0,000001411 Da
g-factor
0,31142857142857 ± 0,011428571428571
natural abundance
radioactivity☢️ radioactive element
half-life
32,505 ± 0,01 d
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1948
parity-

decay modeintensity
β (β decay)100%

142Ce

Hejmara baristeyî142
neutron number84
Giraniya atomê
141,909250208 ± 0,000002623 Da
g-factor
0
natural abundance
11,114 ± 0,051
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1925
parity+

decay modeintensity
α (α emission)
(double β decay)

143Ce

Hejmara baristeyî143
neutron number85
Giraniya atomê
142,912391953 ± 0,000002621 Da
g-factor
0,28666666666667 ± 0,0066666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
33,039 ± 0,006 h
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1948
parity-

decay modeintensity
β (β decay)100%

144Ce

Hejmara baristeyî144
neutron number86
Giraniya atomê
143,913652763 ± 0,000003041 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
284,886 ± 0,025 d
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1945
parity+

decay modeintensity
β (β decay)100%

145Ce

Hejmara baristeyî145
neutron number87
Giraniya atomê
144,917265113 ± 0,000036393 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,01 ± 0,06 m
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1954
parity-

decay modeintensity
β (β decay)100%

146Ce

Hejmara baristeyî146
neutron number88
Giraniya atomê
145,918812294 ± 0,000015743 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
13,49 ± 0,16 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1953
parity+

decay modeintensity
β (β decay)100%

147Ce

Hejmara baristeyî147
neutron number89
Giraniya atomê
146,9226899 ± 0,000009211 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
56,4 ± 1 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1964
parity-

decay modeintensity
β (β decay)100%

148Ce

Hejmara baristeyî148
neutron number90
Giraniya atomê
147,924424186 ± 0,000012017 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
56,8 ± 0,3 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1964
parity+

decay modeintensity
β (β decay)100%

149Ce

Hejmara baristeyî149
neutron number91
Giraniya atomê
148,9284269 ± 0,000011 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,94 ± 0,04 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1974
parity-

decay modeintensity
β (β decay)100%

150Ce

Hejmara baristeyî150
neutron number92
Giraniya atomê
149,930384032 ± 0,000012556 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
6,05 ± 0,07 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1970
parity+

decay modeintensity
β (β decay)100%

151Ce

Hejmara baristeyî151
neutron number93
Giraniya atomê
150,9342722 ± 0,000019 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,76 ± 0,06 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity-

decay modeintensity
β (β decay)100%

152Ce

Hejmara baristeyî152
neutron number94
Giraniya atomê
151,936682 ± 0,000215 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,42 ± 0,02 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1990
parity+

decay modeintensity
β (β decay)100%

153Ce

Hejmara baristeyî153
neutron number95
Giraniya atomê
152,941052 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
865 ± 25 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity-

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

154Ce

Hejmara baristeyî154
neutron number96
Giraniya atomê
153,94394 ± 0,000215 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
722 ± 14 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1994
parity+

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

155Ce

Hejmara baristeyî155
neutron number97
Giraniya atomê
154,948706 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
313 ± 7 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity-

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

156Ce

Hejmara baristeyî156
neutron number98
Giraniya atomê
155,951884 ± 0,000322 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
233 ± 9 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2017
parity+

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

157Ce

Hejmara baristeyî157
neutron number99
Giraniya atomê
156,957133 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
175 ± 41 ms
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2017
parity+

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

158Ce

Hejmara baristeyî158
neutron number100
Giraniya atomê
157,960773 ± 0,000429 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
99 ± 93 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2016
parity+

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

159Ce

Hejmara baristeyî159
neutron number101
Giraniya atomê
158,966355 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
CE2k2g

dîrok

kaşîf an îcadkerW. von Hisinger, J. Berzelius, M. Klaproth
location of discoverySweden/Germany
dema îcadkirinê yan keşfê1803
BêjenasîNamed after the asteroid, Ceres, discovered two years before the element.
pronunciationSER-i-em (îngilîzî)

source

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

Nuclear Screening Constants

1s1.1519
2p4.2176
2s15.26
3d13.9147
3p19.0405
3s19.3408
4d32.3392
4f56.324
4p29.3936
4s28.32
5p41.0345
5s39.0865
6s47.2036