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| General
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| Name, Symbol, Number
| Cerium, Ce, 58
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| Chemical series
| Lanthanides
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| Group, Period, Block
| _ , 6, d
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| Density, Hardness
| 6689 kg/m3Kilogram per cubic metre is the SI measure of density and is represented as kg/m³, where kg stands for kilogram and m³ stands for cubic metre. The density of water is about 1000 kg/m³, since a cubic metre of water weighs about a tonne. kg/m³" is sometimes, 2.5
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| AppearanceFor alternative meanings, see color (disambiguation). visual arts. Color (or colour is a sensation which (in humans) derives from the ability of the fine structure of the eye to distinguish three differently filtered analyses of a view. The perception of
| silvery white
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| Atomic properties
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| Atomic weightIn reference to a certain isotope of a chemical element, atomic weight (more accurately relative atomic mass though also called simply atomic mass is the mass of one atom of the isotope expressed in units atomic mass unit amu) such that the Carbon-12 isot
| 140.116 u
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| Atomic radiusAtomic radius is the distance from the atomic nucleus to the outmost stable electron orbital in a atom that is at equilibrium and is measured in picometers or Angstroms. Atomic radii are called covalent radii (a reference to the types of bonds formed) whe (calc.)
| 185 (no data) pm
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| Covalent radiusCovalent radius in chemistry corresponds to half of the distance between two identical atomic nuclei, bound by a covalent bond. It is expressed in terms of pm or A. Chemistry.
| no data pmPicometre ( American spelling: picometer is an SI measure of length that is equal to 10−12 of a metre. Its symbol is pm and it is commonly used in measuring atomic-scale distances. Atom diameters are in the range from ~30 to 600 pm. 1 pm 1 × 10&minu
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| van der Waals radiusThe van der Waals radius of an atom is the radius of an imaginary hard sphere which can be used to model the atom for many purposes. Van der Waals radii are determined from measurements of atomic spacing between pairs of unbonded atoms in crystals. The va
| no data pm
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| Electron configuration
| [ Xe]4f15d16s1
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| e- 's per energy level
| 2, 8,18,19, 9, 2
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| Oxidation states ( Oxide)
| 3,4 (mildly basic)
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| Crystal structure
| Cubic face centered
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| Physical properties
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| State of matter
| solid ( __)
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| Melting point
| 1071 K (1468 ° F)
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| Boiling point
| 3699 K (6199 °F)
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| Molar volume
| 20.69 ×10-6 m3/mol
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| Heat of vaporization
| 414 kJ/mol
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| Heat of fusion
| 5.46 kJ/mol
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| Vapor pressure
| n/a Pa at 1071 K
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| Velocity of sound
| 2100 m/s at 293.15 K
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| Miscellaneous
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| Electronegativity
| 1.12 ( Pauling scale)
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| Specific heat capacity
| 190 J/(kg*K)
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| Electrical conductivity
| 1.15 106/m ohm
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| Thermal conductivity
| 11.4 W/(m*K)
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| 1st ionization potential
| 534.4 kJ/mol
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| 2nd ionization potential
| 1050 kJ/mol
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| 3rd ionization potential
| 1949 kJ/mol
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| 4th ionization potential
| 3547 kJ/mol
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| Most stable isotopes
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| iso
| NA
| half-life
| DM
| DE M eV
| DP
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| 134Ce
| {syn.}
| 3.16 days
| ε
| 0.500
| 134 La
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| 136Ce
| 0.19%
| Cerium is stable with 78 neutrons
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| 138Ce
| 0.25%
| Cerium is stable with 80 neutrons
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| 139Ce
| {syn.}
| 137.640 days
| ε
| 0.278
| 139 La
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| 140Ce
| 88.48%
| Cerium is stable with 82 neutrons
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| 141Ce
| {syn.}
| 32.501 days
| β-
| 0.581
| 141 Pr
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| 142Ce
| 11.08%
| > 5 E16 years
| β-
| unknown
| 142 Nd
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| 144Ce
| {syn.}
| 284.893 days
| β-
| 0.319
| 144 Pr
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| SI units & STP are used except where noted.
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