Fluorine is a chemical element with symbol F and atomic number 9. It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard ...
Element Fluorine (F), Group 17, Atomic Number 9, p-block, Mass 18.998. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Fluorine is an univalent poisonous gaseous halogen, it is pale yellow-green and it is the most chemically reactive and electronegative of all the elements.
Apr 16, 2013 ... Fluorine is found in nature in the form of calcium fluoride, called fluorite, which forms regular crystals. California has many fluorite deposits.
Fluorine's properties, interesting facts, discovery, videos, images, states, energies , appearance and characteristics.
fluorine (F): most reactive chemical element and the lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Its chemical activity ...
The Element Fluorine - Basic Physical and Historical Information.
Feb 14, 2016 ... As bad as cesium is, there is one element that is even worse: fluorine. It is the most reactive of all the elements, and most chemists will never ...