CeZ =  58



Cerium
From the Latin "Ceres", meaning "grain, bread"
(AM) Atomic Mass 140.115  amu    Oxidation States +3, +4
   (BP) Boiling Point 3257  °C    (MP) Melting Point 798  °C
   (ρ) Density 6.77  g/cm3    Crystal Structure Face Centered Cubic
   ( χ ) Electronegativity 1.1    (AR) Atomic Radius 1.65  Å
   Physical State Solid (C) Heat Capacity 0.192  J/g °C
Electronic-Config [Xe]  4f1  5d1  6s2     (I1) First Ionization E 534.53  kJ/mol
   (ΔHvap) Heat of Vaporization 398  kJ/mol     (ΔHfus) Heat of Fusion 5.46  kJ/mol
   Year of Discovery 1803    Location of Discovery Sweden
(E°) Standard Potential Ce3+⇔ Ce (-2.336 V),   Ce4+⇔ Ce3+ (1.610 V)
Stable isotopes  136Ce,  138Ce,  140Ce,  142Ce
Discovered/Synthesized by Jöns Jacob Berzelius, Wilhelm von Hisinger, Martin Heinrich Klaproth
Natural Source The mineral/ore bastnasite, monazite, loparite
Common Uses Lighter flints, arc lamps, gas lamp mantles, self-cleaning ovens, glass polishing
Other Info Used in high-intensity lamps of film projectors
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