Serium

Serium (Ce)

chemical element with the atomic number of 58
Atomic Number58
Atomic Weight140.116
Nombor jisim140
Group
Period6
Blockf
proton58 p+
neutron82 n0
Elektron58 e-
Animated Model Bohr of Ce (Serium)

Sifat Fizikal

Jejari Atom
185 pm
molar volume
Jejari kovalen
163 pm
Metallic Radius
ionic radius
101 pm
Crystal Radius
115 pm
Jejari van der Waals
242 pm
ketumpatan
6.77 g/cm³
Atomic Radii Of The Elements: Serium0102030405060708090100110120130140150160170180190200210220230240250pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
ionization energy of Ce (Serium)
Entalpi pengewapan
398 kJ/mol
entalpi pelakuran
5.2 kJ/mol
standard enthalpy of formation
420.1 kJ/mol
Elektron
Petala elektron2, 8, 18, 19, 9, 2
Model Bohr: Ce (Serium)
Elektron valens2
Teori ion Lewis: Ce (Serium)
tatarajah elektron[Xe] 4f1 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f1 5d1 6s2
Enhanced Model Bohr of Ce (Serium)
Orbital Diagram of Ce (Serium)
Keadaan pengoksidaan2, 3, 4
Keelektronegatifan
1.12
Electrophilicity Index
0.9792877807552266 eV/particle
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
3,716.15 K
Melting Point
1,072.15 K
critical pressure
critical temperature
triple point
rupa
warna
Silver
rupasilvery white
indeks biasan
sifat bahan
Thermal Conductivity
11.3 W/(m K)
Pengembangan terma
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
Kekonduksian elektrik
1.4 MS/m
Kerintangan dan kekonduksian elektrik
0.00000075 m Ω
Kesuperkonduksian
0.022 K
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.00000022 m³/Kg
magnetic susceptibility (Molar)
0.000000030826 m³/mol
magnetic susceptibility (Volume)
0.0014716
magnetic ordering
Suhu Curie
Néel temperature
12.5 K
struktur
Crystal StructureSimple Hexagonal (FCC)
lattice constant
5.16 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
2.5 MPa
Modulus pukal
22 GPa
shear modulus
14 GPa
Young's modulus
34 GPa
Nisbah Poisson
0.24
Kelajuan bunyi
2,100 m/s
pengelasan
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
Nombor kuantum1G4
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

Nombor jisim119
nombor neutron61
jisim atom relatif
118.952957 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin5/2
nuclear quadrupole moment
tarikh penemuan
parity+

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

120Ce

Nombor jisim120
nombor neutron62
jisim atom relatif
119.946613 ± 0.000537 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan
parity+

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

121Ce

Nombor jisim121
nombor neutron63
jisim atom relatif
120.943435 ± 0.00043 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.1 ± 0.1 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1997
parity

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

122Ce

Nombor jisim122
nombor neutron64
jisim atom relatif
121.93787 ± 0.00043 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan2005
parity+

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

123Ce

Nombor jisim123
nombor neutron65
jisim atom relatif
122.93528 ± 0.00032 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.8 ± 0.2 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1984
parity

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

124Ce

Nombor jisim124
nombor neutron66
jisim atom relatif
123.93031 ± 0.00032 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9.1 ± 1.2 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1978
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

125Ce

Nombor jisim125
nombor neutron67
jisim atom relatif
124.92844 ± 0.00021 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9.7 ± 0.3 s
Spin7/2
nuclear quadrupole moment
tarikh penemuan1978
parity-

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

126Ce

Nombor jisim126
nombor neutron68
jisim atom relatif
125.923971 ± 0.00003 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
51 ± 0.3 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1978
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

127Ce

Nombor jisim127
nombor neutron69
jisim atom relatif
126.922727 ± 0.000031 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
34 ± 2 s
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1978
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

128Ce

Nombor jisim128
nombor neutron70
jisim atom relatif
127.918911 ± 0.00003 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.93 ± 0.02 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1968
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

129Ce

Nombor jisim129
nombor neutron71
jisim atom relatif
128.918102 ± 0.00003 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.5 ± 0.3 m
Spin5/2
nuclear quadrupole moment
tarikh penemuan1977
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

130Ce

Nombor jisim130
nombor neutron72
jisim atom relatif
129.914736 ± 0.00003 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
22.9 ± 0.5 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1965
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

131Ce

Nombor jisim131
nombor neutron73
jisim atom relatif
130.914429465 ± 0.000035214 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
10.3 ± 0.3 m
Spin7/2
nuclear quadrupole moment
tarikh penemuan1966
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

132Ce

Nombor jisim132
nombor neutron74
jisim atom relatif
131.911466226 ± 0.000021907 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.51 ± 0.11 h
Spin0
nuclear quadrupole moment
0
tarikh penemuan1960
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

133Ce

Nombor jisim133
nombor neutron75
jisim atom relatif
132.911520402 ± 0.000017557 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
97 ± 4 m
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1951
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

134Ce

Nombor jisim134
nombor neutron76
jisim atom relatif
133.908928142 ± 0.000021886 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.16 ± 0.04 d
Spin0
nuclear quadrupole moment
0
tarikh penemuan1951
parity+

decay modeKeamatan (fizik)
ϵ (electron capture)100%

135Ce

Nombor jisim135
nombor neutron77
jisim atom relatif
134.909160662 ± 0.000011021 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
17.7 ± 0.3 h
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1948
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

136Ce

Nombor jisim136
nombor neutron78
jisim atom relatif
135.907129256 ± 0.000000348 Da
g-factor
0
natural abundance
0.186 ± 0.002
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1936
parity+

decay modeKeamatan (fizik)
+ (double β+ decay)

137Ce

Nombor jisim137
nombor neutron79
jisim atom relatif
136.907762416 ± 0.000000386 Da
g-factor
0.64 ± 0.026666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9 ± 0.3 h
Spin3/2
nuclear quadrupole moment
tarikh penemuan1948
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

138Ce

Nombor jisim138
nombor neutron80
jisim atom relatif
137.90599418 ± 0.000000536 Da
g-factor
0
natural abundance
0.251 ± 0.002
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1936
parity+

decay modeKeamatan (fizik)
+ (double β+ decay)

139Ce

Nombor jisim139
nombor neutron81
jisim atom relatif
138.906647029 ± 0.000002242 Da
g-factor
0.70666666666667 ± 0.026666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
137.642 ± 0.02 d
Spin3/2
nuclear quadrupole moment
tarikh penemuan1948
parity+

decay modeKeamatan (fizik)
ϵ (electron capture)100%

140Ce

Nombor jisim140
nombor neutron82
jisim atom relatif
139.905448433 ± 0.000001409 Da
g-factor
0
natural abundance
88.449 ± 0.051
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1925
parity+

141Ce

Nombor jisim141
nombor neutron83
jisim atom relatif
140.908285991 ± 0.000001411 Da
g-factor
0.31142857142857 ± 0.011428571428571
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
32.505 ± 0.01 d
Spin7/2
nuclear quadrupole moment
tarikh penemuan1948
parity-

decay modeKeamatan (fizik)
β (β decay)100%

142Ce

Nombor jisim142
nombor neutron84
jisim atom relatif
141.909250208 ± 0.000002623 Da
g-factor
0
natural abundance
11.114 ± 0.051
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1925
parity+

decay modeKeamatan (fizik)
α (α emission)
(double β decay)

143Ce

Nombor jisim143
nombor neutron85
jisim atom relatif
142.912391953 ± 0.000002621 Da
g-factor
0.28666666666667 ± 0.0066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
33.039 ± 0.006 h
Spin3/2
nuclear quadrupole moment
tarikh penemuan1948
parity-

decay modeKeamatan (fizik)
β (β decay)100%

144Ce

Nombor jisim144
nombor neutron86
jisim atom relatif
143.913652763 ± 0.000003041 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
284.886 ± 0.025 d
Spin0
nuclear quadrupole moment
0
tarikh penemuan1945
parity+

decay modeKeamatan (fizik)
β (β decay)100%

145Ce

Nombor jisim145
nombor neutron87
jisim atom relatif
144.917265113 ± 0.000036393 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.01 ± 0.06 m
Spin5/2
nuclear quadrupole moment
tarikh penemuan1954
parity-

decay modeKeamatan (fizik)
β (β decay)100%

146Ce

Nombor jisim146
nombor neutron88
jisim atom relatif
145.918812294 ± 0.000015743 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
13.49 ± 0.16 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1953
parity+

decay modeKeamatan (fizik)
β (β decay)100%

147Ce

Nombor jisim147
nombor neutron89
jisim atom relatif
146.9226899 ± 0.000009211 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
56.4 ± 1 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1964
parity-

decay modeKeamatan (fizik)
β (β decay)100%

148Ce

Nombor jisim148
nombor neutron90
jisim atom relatif
147.924424186 ± 0.000012017 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
56.8 ± 0.3 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1964
parity+

decay modeKeamatan (fizik)
β (β decay)100%

149Ce

Nombor jisim149
nombor neutron91
jisim atom relatif
148.9284269 ± 0.000011 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.94 ± 0.04 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan1974
parity-

decay modeKeamatan (fizik)
β (β decay)100%

150Ce

Nombor jisim150
nombor neutron92
jisim atom relatif
149.930384032 ± 0.000012556 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
6.05 ± 0.07 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1970
parity+

decay modeKeamatan (fizik)
β (β decay)100%

151Ce

Nombor jisim151
nombor neutron93
jisim atom relatif
150.9342722 ± 0.000019 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.76 ± 0.06 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan1997
parity-

decay modeKeamatan (fizik)
β (β decay)100%

152Ce

Nombor jisim152
nombor neutron94
jisim atom relatif
151.936682 ± 0.000215 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.42 ± 0.02 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1990
parity+

decay modeKeamatan (fizik)
β (β decay)100%

153Ce

Nombor jisim153
nombor neutron95
jisim atom relatif
152.941052 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
865 ± 25 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1994
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

154Ce

Nombor jisim154
nombor neutron96
jisim atom relatif
153.94394 ± 0.000215 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
722 ± 14 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1994
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

155Ce

Nombor jisim155
nombor neutron97
jisim atom relatif
154.948706 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
313 ± 7 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan1994
parity-

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

156Ce

Nombor jisim156
nombor neutron98
jisim atom relatif
155.951884 ± 0.000322 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
233 ± 9 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan2017
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

157Ce

Nombor jisim157
nombor neutron99
jisim atom relatif
156.957133 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
175 ± 41 ms
Spin7/2
nuclear quadrupole moment
tarikh penemuan2017
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

158Ce

Nombor jisim158
nombor neutron100
jisim atom relatif
157.960773 ± 0.000429 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
99 ± 93 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan2016
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

159Ce

Nombor jisim159
nombor neutron101
jisim atom relatif
158.966355 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan
parity-

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
CE2k2g

sejarah

penemu atau perekaW. von Hisinger, J. Berzelius, M. Klaproth
tempat penemuanSweden/Germany
tarikh penemuan1803
EtimologiNamed after the asteroid, Ceres, discovered two years before the element.
sebutanSER-i-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
66.5 mg/kg
natural abundance (lautan)
0.0000012 mg/L
natural abundance (Tubuh manusia)
natural abundance (Meteoroid)
0.000075 %
natural abundance (Matahari)
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