The periodic table's most electronegative element is fluorine (3.98 on the Pauling scale and top right in the periodic table). The least electronegative element is cesium (0.79 on the Pauling scale ...
The following quote from a revision guide seems to confirm this: "... chlorine is less reactive than fluorine because the outer electrons in a chlorine atom are further from the nucleus than the outer ...
Browse 240+ fluorine element stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. The periodic table element ...