Cerium Element Properties

Cerium

f57
La
Lanthanum
f58
Ce
Cerium
f59
Pr
Praseodymium
General
Name(Cerium)
Symbol(Ce)
Number(58)
Group Number(NA)
Group(Rare Earth, Lanthanide series)
Block(f)
Density(6.78 g/cm3)
Atomic Weight(140.12 g/mol)
Atomic Volume(20.67 cm3/mol)
Discover(1803)


States
State(Solid)
Melting Point(1068 K)
Boiling Point(3716 K)
Triple Point(Nil)
Critical Point(Nil)
Heat of Fusion(5.46 kJ/mol)
Heat of Vaporization(398 kJ/mol)


Energies
First Ionization Energy(527.4 kJ/mole)
Second Ionization Energy(1047 kJ/mole)
Third Ionization Energy(1949 kJ/mole)
Electronegativity(1.12)
Electron Affinity(50 kJ/mole)
Specific Heat(0.19 J/gK)
Heat Atomization(419 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,20,8,2)
Electron Configuration([Xe] 4f2 6s2)
Minimum Oxidation Number(0)
Maximum Oxidation Number(4)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(4)


Appearance and Characteristics
Crystal Structure(cubic face centered)
Characteristics(malleable)
Color(silvery-white)
Uses(self-cleaning ovens(CeO2))
Hardness(Nil)
Toxicity(None)


Reactions
Reaction with Air(vigorous, w/ht =>CeO2)
Reaction with 6M HCl(vigorous, =>H2, CeCl3)
Reaction with 15M HNO3(mild, =>Ce(NO3)3)
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(4)
Hydride(CeH2 CeH3)
Oxide(Ce2O3 CeO2)
Chloride(CeCl3)


Radius
Atomic Radius(182 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(115 pm)


Conductivity
Thermal Conductivity(11.3 J/m-sec-deg)
Electrical Conductivity(13.333 1/mohm-cm)
Polarizability(29.6 A3)


Abundance
Source(Monazite(phosphate),bastnaesite)
Relation Abundance Solar System(0.055 log)
Abundance Earths Crust(1.8 log)


f57
La
Lanthanum
f58
Ce
Cerium
f59
Pr
Praseodymium

english Calculators and Converters


Sitemap