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#9 Fluorine - rarity SPINNIN'IN
1st ionization energy 17.423 eV 0.85%
appearance Gaseous state: Pale yellowLiquid state: Bright yellowAlpha fluorine: OpaqueBeta fluorine: Transparent 0.85%
atomic mass 18.998 u 0.85%
atomic number 9 0.85%
atomic radius 135 picometers (van der Waals radius) 0.85%
boiling point 85.03 K or -188.11 °C or -306.6 °F 0.85%
cas number 7782-41-4 0.85%
cas number of (cl2) - 99.15%
category Nonmetals (Halogens) 0.85%
crystal structure SC (Simple cubic) 2.54%
density 1.696 g/L 0.85%
electronegativity 3.98 (Pauling scale) 0.85%
electronic configuration [He] 2s2 2p5 0.85%
electrons 9 0.85%
electrons arrangement 2, 7 0.85%
main isotopes 19F 0.85%
melting point 53.48 K or -219.67 °C or -363.41 °F 0.85%
neutrons 10 1.69%
position Group: 17, Period: 2, Block: p 0.85%
rarity SPINNIN'IN 33.33%
state Gas 9.32%
sublimation point - 99.15%
symbol F 0.85%
valence electrons 7 3.39%
who discovered Andre-Marie Ampere in 1810 0.85%

Total Rarity Score: 2267.58

Rarity: #3/354

Fluorine

Collection: Bohring Atoms