Cerij[um]

Cerij[um] (Ce)

hemijski element sa simbolom Ce i atomskim brojem 58
Atomic Number58
Atomic Weight140.116
Maseni broj140
Group
Period6
Blockf
Proton58 p+
Neutron82 n0
Elektron58 e-
Animated Bohrov model atoma of Ce (Cerij[um])

Physical Property

Atomski Radijus
185 pm
Molarni volumen
covalent radius
163 pm
Metallic Radius
Ionski radijus
101 pm
Crystal Radius
115 pm
Van der Waalsov radijus
242 pm
gustoća
6,77 g/cm³
Atomic Radii Of The Elements: Cerij[um]0102030405060708090100110120130140150160170180190200210220230240250pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of Ce (Cerij[um])
Toplota isparavanja
398 kJ/mol
toplota topljenja
5,2 kJ/mol
standard enthalpy of formation
420,1 kJ/mol
Elektron
electron shell2, 8, 18, 19, 9, 2
Bohrov model atoma: Ce (Cerij[um])
Valentni elektron2
Lewis structure: Ce (Cerij[um])
electron configuration[Xe] 4f1 5d1 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f1 5d1 6s2
Enhanced Bohrov model atoma of Ce (Cerij[um])
Orbital Diagram of Ce (Cerij[um])
oksidacijsko stanje2, 3, 4
Elektronegativnost
1.12
Electrophilicity Index
0,9792877807552266 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
3.716,15 K
Melting Point
1.072,15 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja
Silver
appearancesilvery white
Indeks prelamanja
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
Specifična električna provodljivost
1,4 MS/m
electrical resistivity
0,00000075 m Ω
Superprovodljivost
0,022 K
Magnetizam
typeparamagnetic
magnetic susceptibility (Mass)
0,00000022 m³/Kg
magnetic susceptibility (Molar)
0,000000030826 m³/mol
magnetic susceptibility (Volume)
0,0014716
magnetic ordering
Kirijeva tačka
Néel temperature
12,5 K
struktura
Crystal StructureSimple Hexagonal (FCC)
lattice constant
5,16 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
2,5 MPa
bulk modulus
22 GPa
shear modulus
14 GPa
Young's modulus
34 GPa
Poisson's ratio
0,24
Brzina zvuka
2.100 m/s
klasifikacija
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
Kvantni brojevi1G4
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

Maseni broj119
broj neutrona61
relative atomic mass
118,952957 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića
parity+

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

120Ce

Maseni broj120
broj neutrona62
relative atomic mass
119,946613 ± 0,000537 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića
parity+

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

121Ce

Maseni broj121
broj neutrona63
relative atomic mass
120,943435 ± 0,00043 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,1 ± 0,1 s
spin5/2
nuclear quadrupole moment
datum otkrića1997
parity

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

122Ce

Maseni broj122
broj neutrona64
relative atomic mass
121,93787 ± 0,00043 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića2005
parity+

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

123Ce

Maseni broj123
broj neutrona65
relative atomic mass
122,93528 ± 0,00032 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,8 ± 0,2 s
spin5/2
nuclear quadrupole moment
datum otkrića1984
parity

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

124Ce

Maseni broj124
broj neutrona66
relative atomic mass
123,93031 ± 0,00032 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,1 ± 1,2 s
spin0
nuclear quadrupole moment
0
datum otkrića1978
parity+

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

125Ce

Maseni broj125
broj neutrona67
relative atomic mass
124,92844 ± 0,00021 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,7 ± 0,3 s
spin7/2
nuclear quadrupole moment
datum otkrića1978
parity-

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

126Ce

Maseni broj126
broj neutrona68
relative atomic mass
125,923971 ± 0,00003 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
51 ± 0,3 s
spin0
nuclear quadrupole moment
0
datum otkrića1978
parity+

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

127Ce

Maseni broj127
broj neutrona69
relative atomic mass
126,922727 ± 0,000031 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
34 ± 2 s
spin1/2
nuclear quadrupole moment
0
datum otkrića1978
parity+

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

128Ce

Maseni broj128
broj neutrona70
relative atomic mass
127,918911 ± 0,00003 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,93 ± 0,02 m
spin0
nuclear quadrupole moment
0
datum otkrića1968
parity+

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

129Ce

Maseni broj129
broj neutrona71
relative atomic mass
128,918102 ± 0,00003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,5 ± 0,3 m
spin5/2
nuclear quadrupole moment
datum otkrića1977
parity+

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

130Ce

Maseni broj130
broj neutrona72
relative atomic mass
129,914736 ± 0,00003 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
22,9 ± 0,5 m
spin0
nuclear quadrupole moment
0
datum otkrića1965
parity+

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

131Ce

Maseni broj131
broj neutrona73
relative atomic mass
130,914429465 ± 0,000035214 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,3 ± 0,3 m
spin7/2
nuclear quadrupole moment
datum otkrića1966
parity+

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

132Ce

Maseni broj132
broj neutrona74
relative atomic mass
131,911466226 ± 0,000021907 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,51 ± 0,11 h
spin0
nuclear quadrupole moment
0
datum otkrića1960
parity+

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

133Ce

Maseni broj133
broj neutrona75
relative atomic mass
132,911520402 ± 0,000017557 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
97 ± 4 m
spin1/2
nuclear quadrupole moment
0
datum otkrića1951
parity+

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

134Ce

Maseni broj134
broj neutrona76
relative atomic mass
133,908928142 ± 0,000021886 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,16 ± 0,04 d
spin0
nuclear quadrupole moment
0
datum otkrića1951
parity+

decay modeintensity
ϵ (electron capture)100%

135Ce

Maseni broj135
broj neutrona77
relative atomic mass
134,909160662 ± 0,000011021 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,7 ± 0,3 h
spin1/2
nuclear quadrupole moment
0
datum otkrića1948
parity+

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

136Ce

Maseni broj136
broj neutrona78
relative atomic mass
135,907129256 ± 0,000000348 Da
g-factor
0
natural abundance
0,186 ± 0,002
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1936
parity+

decay modeintensity
+ (double β+ decay)

137Ce

Maseni broj137
broj neutrona79
relative atomic mass
136,907762416 ± 0,000000386 Da
g-factor
0,64 ± 0,026666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9 ± 0,3 h
spin3/2
nuclear quadrupole moment
datum otkrića1948
parity+

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

138Ce

Maseni broj138
broj neutrona80
relative atomic mass
137,90599418 ± 0,000000536 Da
g-factor
0
natural abundance
0,251 ± 0,002
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1936
parity+

decay modeintensity
+ (double β+ decay)

139Ce

Maseni broj139
broj neutrona81
relative atomic mass
138,906647029 ± 0,000002242 Da
g-factor
0,70666666666667 ± 0,026666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
137,642 ± 0,02 d
spin3/2
nuclear quadrupole moment
datum otkrića1948
parity+

decay modeintensity
ϵ (electron capture)100%

140Ce

Maseni broj140
broj neutrona82
relative atomic mass
139,905448433 ± 0,000001409 Da
g-factor
0
natural abundance
88,449 ± 0,051
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
datum otkrića1925
parity+

141Ce

Maseni broj141
broj neutrona83
relative atomic mass
140,908285991 ± 0,000001411 Da
g-factor
0,31142857142857 ± 0,011428571428571
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
32,505 ± 0,01 d
spin7/2
nuclear quadrupole moment
datum otkrića1948
parity-

decay modeintensity
β (β decay)100%

142Ce

Maseni broj142
broj neutrona84
relative atomic mass
141,909250208 ± 0,000002623 Da
g-factor
0
natural abundance
11,114 ± 0,051
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
datum otkrića1925
parity+

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

143Ce

Maseni broj143
broj neutrona85
relative atomic mass
142,912391953 ± 0,000002621 Da
g-factor
0,28666666666667 ± 0,0066666666666667
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
33,039 ± 0,006 h
spin3/2
nuclear quadrupole moment
datum otkrića1948
parity-

decay modeintensity
β (β decay)100%

144Ce

Maseni broj144
broj neutrona86
relative atomic mass
143,913652763 ± 0,000003041 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
284,886 ± 0,025 d
spin0
nuclear quadrupole moment
0
datum otkrića1945
parity+

decay modeintensity
β (β decay)100%

145Ce

Maseni broj145
broj neutrona87
relative atomic mass
144,917265113 ± 0,000036393 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,01 ± 0,06 m
spin5/2
nuclear quadrupole moment
datum otkrića1954
parity-

decay modeintensity
β (β decay)100%

146Ce

Maseni broj146
broj neutrona88
relative atomic mass
145,918812294 ± 0,000015743 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,49 ± 0,16 m
spin0
nuclear quadrupole moment
0
datum otkrića1953
parity+

decay modeintensity
β (β decay)100%

147Ce

Maseni broj147
broj neutrona89
relative atomic mass
146,9226899 ± 0,000009211 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
56,4 ± 1 s
spin5/2
nuclear quadrupole moment
datum otkrića1964
parity-

decay modeintensity
β (β decay)100%

148Ce

Maseni broj148
broj neutrona90
relative atomic mass
147,924424186 ± 0,000012017 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
56,8 ± 0,3 s
spin0
nuclear quadrupole moment
0
datum otkrića1964
parity+

decay modeintensity
β (β decay)100%

149Ce

Maseni broj149
broj neutrona91
relative atomic mass
148,9284269 ± 0,000011 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,94 ± 0,04 s
spin3/2
nuclear quadrupole moment
datum otkrića1974
parity-

decay modeintensity
β (β decay)100%

150Ce

Maseni broj150
broj neutrona92
relative atomic mass
149,930384032 ± 0,000012556 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,05 ± 0,07 s
spin0
nuclear quadrupole moment
0
datum otkrića1970
parity+

decay modeintensity
β (β decay)100%

151Ce

Maseni broj151
broj neutrona93
relative atomic mass
150,9342722 ± 0,000019 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,76 ± 0,06 s
spin3/2
nuclear quadrupole moment
datum otkrića1997
parity-

decay modeintensity
β (β decay)100%

152Ce

Maseni broj152
broj neutrona94
relative atomic mass
151,936682 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,42 ± 0,02 s
spin0
nuclear quadrupole moment
0
datum otkrića1990
parity+

decay modeintensity
β (β decay)100%

153Ce

Maseni broj153
broj neutrona95
relative atomic mass
152,941052 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
865 ± 25 ms
spin3/2
nuclear quadrupole moment
datum otkrića1994
parity-

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

154Ce

Maseni broj154
broj neutrona96
relative atomic mass
153,94394 ± 0,000215 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
722 ± 14 ms
spin0
nuclear quadrupole moment
0
datum otkrića1994
parity+

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

155Ce

Maseni broj155
broj neutrona97
relative atomic mass
154,948706 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
313 ± 7 ms
spin5/2
nuclear quadrupole moment
datum otkrića1994
parity-

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

156Ce

Maseni broj156
broj neutrona98
relative atomic mass
155,951884 ± 0,000322 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
233 ± 9 ms
spin0
nuclear quadrupole moment
0
datum otkrića2017
parity+

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

157Ce

Maseni broj157
broj neutrona99
relative atomic mass
156,957133 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
175 ± 41 ms
spin7/2
nuclear quadrupole moment
datum otkrića2017
parity+

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

158Ce

Maseni broj158
broj neutrona100
relative atomic mass
157,960773 ± 0,000429 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
99 ± 93 ms
spin0
nuclear quadrupole moment
0
datum otkrića2016
parity+

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

159Ce

Maseni broj159
broj neutrona101
relative atomic mass
158,966355 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
datum otkrića
parity-

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

historija

otkrivač ili izumiteljW. von Hisinger, J. Berzelius, M. Klaproth
mjesto otkrićaSweden/Germany
datum otkrića1803
EtimologijaNamed after the asteroid, Ceres, discovered two years before the element.
pronunciationSER-i-em (engleski)

izvor

Abundance
Abundance in Earth's crust
66,5 mg/kg
natural abundance (okean)
0,0000012 mg/L
natural abundance (ljudsko tijelo)
natural abundance (Meteoroidi)
0,000075 %
natural abundance (Sunce)
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