Content-Type image/gif
Content-Length 481.33 kB
Size 512x512
#21 Scandium - rarity BROWNIAN-MANIACS
1st ionization energy 6.56 eV 0.85%
appearance Silvery white 6.78%
atomic mass 44.956 u 0.85%
atomic number 21 0.85%
atomic radius 211 picometers (van der Waals radius) 1.69%
boiling point 3109 K or 2836 °C or 5136 °F 0.85%
cas number 7440-20-2 0.85%
cas number of (cl2) - 99.15%
category Transition metals 25.42%
crystal structure HCP (Hexagonal closed packing) 3.39%
density 2.985 g/cm3 0.85%
electronegativity 1.36 (Pauling scale) 1.69%
electronic configuration [Ar] 3d1 4s2 0.85%
electrons 21 0.85%
electrons arrangement 2, 8, 9, 2 0.85%
main isotopes 45Sc 0.85%
melting point 1814 K or 1541 °C or 2806 °F 0.85%
neutrons 24 0.85%
position Group: 3, Period: 4, Block: d 0.85%
rarity BROWNIAN-MANIACS 33.33%
state Solid 72.88%
sublimation point - 99.15%
symbol Sc 0.85%
valence electrons 2 7.63%
who discovered Lars Frederik Nilson in 1879 0.85%

Total Rarity Score: 1955.68

Rarity: #59/354

Scandium

Collection: Bohring Atoms