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#44 Ruthenium - rarity BROWNIAN-MANIACS
1st ionization energy 7.361 eV 0.85%
appearance Silvery white metallic luster 1.69%
atomic mass 101.07 u 0.85%
atomic number 44 0.85%
atomic radius 207 picometers (van der Waals radius) 2.54%
boiling point 4423 K or 4150 °C or 7502 °F 0.85%
cas number 7440-18-8 0.85%
cas number of (cl2) - 99.15%
category Transition metals 25.42%
crystal structure HCP (Hexagonal close packing) 6.78%
density 12.37 g/cm3 0.85%
electronegativity 2.2 (Pauling scale) 5.08%
electronic configuration [Kr] 4d7 5s1 0.85%
electrons 44 0.85%
electrons arrangement 2, 8, 18, 15, 1 0.85%
main isotopes 102Ru 0.85%
melting point 2607 K or 2334 °C or 4233 °F 0.85%
neutrons 57 0.85%
position Group: 8, Period: 5, Block: d 0.85%
rarity BROWNIAN-MANIACS 33.33%
state Solid 72.88%
sublimation point - 99.15%
symbol Ru 0.85%
valence electrons - 61.02%
who discovered Karl Ernst Claus in 1844 0.85%

Total Rarity Score: 1914.71

Rarity: #68/354

Ruthenium

Collection: Bohring Atoms