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#58 Cerium - rarity SPINNIN'IN
1st ionization energy 5.539 eV 0.85%
appearance Silvery white 6.78%
atomic mass 140.12 u 0.85%
atomic number 58 0.85%
atomic radius 235 picometers (van der Waals radius) 0.85%
boiling point 3716 K or 3443 °C or 6229 °F 0.85%
cas number 7440-45-1 0.85%
cas number of (cl2) - 99.15%
category Inner transition metals 23.73%
crystal structure FCC (Face centered cubic) at room temperature 0.85%
density 6.69 g/cm3 0.85%
electronegativity 1.12 (Pauling scale) 0.85%
electronic configuration [Xe] 4f1 5d1 6s2 0.85%
electrons 58 0.85%
electrons arrangement 2, 8, 18, 19, 9, 2 0.85%
main isotopes 140Ce 0.85%
melting point 1068 K or 795 °C or 1463 °F 0.85%
neutrons 82 2.54%
position Group: lanthanides, Period: 6, Block: f 6.78%
rarity SPINNIN'IN 33.33%
state Solid 72.88%
sublimation point - 99.15%
symbol Ce 0.85%
valence electrons - 61.02%
who discovered Wilhelm Hisinger, Jöns Jakob Berzelius, Martin Heinrich Klaproth (in 1803) 0.85%

Total Rarity Score: 1969.08

Rarity: #55/354

Cerium

Collection: Bohring Atoms