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#96 Curium - rarity BROWNIAN-MANIACS
1st ionization energy 6.02 eV 0.85%
appearance Silvery metallic appearance 1.69%
atomic mass 247 u 1.69%
atomic number 96 0.85%
atomic radius 245 picometers (van der Waals radius) 2.54%
boiling point 3383 K or 3110 °C or 5630 °F 0.85%
cas number 7440-51-9 0.85%
cas number of (cl2) - 99.15%
category Inner transition metals 23.73%
crystal structure Double hexagonal close packed 5.08%
density 13.51 g/cm3 0.85%
electronegativity 1.3 (Pauling scale) 9.32%
electronic configuration [Rn] 5f7 6d1 7s2 0.85%
electrons 96 0.85%
electrons arrangement 2, 8, 18, 32, 25, 9, 2 0.85%
main isotopes 243Cm and 248Cm 0.85%
melting point 1613 K or 1340 °C or 2444 °F 0.85%
neutrons 151 1.69%
position Group: actinides, Period: 7, Block: f 10.17%
rarity BROWNIAN-MANIACS 33.33%
state Solid 72.88%
sublimation point - 99.15%
symbol Cm 0.85%
valence electrons - 61.02%
who discovered Glenn T. Seaborg, Albert Ghiorso and Ralph A. James (in 1944) 0.85%

Total Rarity Score: 1684.8

Rarity: #90/354

Curium

Collection: Bohring Atoms