-- card: 16440 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 14320 -- name: F -- part contents for background part 14 ----- text ----- F -- part contents for background part 22 ----- text ----- Fluorine -- part contents for background part 15 ----- text ----- 9 -- part contents for background part 17 ----- text ----- 18.998403 -- part contents for background part 18 ----- text ----- 1.696 -- part contents for background part 19 ----- text ----- -219.62 -- part contents for background part 20 ----- text ----- -188.14 -- part contents for background part 21 ----- text ----- -1 -- part contents for background part 16 ----- text ----- (L. and F. fluere,flow, or flux) Isolates by Moisson in 1886. Most electronegative and reactive of all elements. During and after Word War II, the atom bomb project and nuclear energy required production of fluorine. Fluorine combines with rare gases including xenon,radon and krypton. -- part contents for background part 23 ----- text ----- halogen,most reactive,pale yellow gas at room temp.,safe handling techniques are essential,element and compounds are highly toxic, element has a pungent odor. -- part contents for background part 24 ----- text ----- hydrofluoric acid is used for etching glass light bulbs,fluorochlorocarbons used in refrigeration and air conditioning,in small amounts fluorides in water sources prevent tooth decay. -- part contents for background part 29 ----- text ----- 0.071 -- part contents for background part 26 ----- text ----- Electron Configuration: 1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 5f 6s 6p 6d 6f 7s 2 2 5