![]() It is a non metallic diatomic yellow gas at room temperature and it has a melting point of -219°c and a boiling point of -188°c. It was not until 1813 that the scientist Humphry Davy isolated Fluorine in the lab after collaborating with a number of scientists on Hydrofluoric acid. Under standard conditions, it is the lightest metal and the lightest solid element. It is a soft, silvery-white alkali metal. For each electron shell atom diagram, the element symbol is listed in the nucleus. Fluorine is a chemical element with atomic number 9 which means there are 9 protons in its nucleus. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure.The chemical symbol for Lithium is Li. Here are electron shell atom diagrams for the elements, ordered by increasing atomic number. ![]() For that, we have electron shell diagrams. Fluorine was first used in 1530 by the German scientist Georgisu Agricola who used the mineral Fluorspar, more commonly known as Calcium Fluoride to extract metals from their ores. Its easier to understand electron configuration and valence if you can actually see the electrons surrounding atoms. It is highly corrosive and toxic to humans and has a very pungent odour. Fluorine is the most reactive element in the periodic table due to its unique small nucleus and relatively low number of shells and electrons. Fluorine in its elemental state is a highly electronegative element in the periodic. ![]() ![]() It is used in Toothpaste and antiseptics and widely used in the treatment of water to kill bacteria. It is a non metal with the symbol F.įluorine is a halogen gas located in Group 17 and has a wide number of uses due to its high reactivity. It has the atomic number 9 in the periodic table and belongs in Group 17, the Halogens. Fluorine (F) exists as a pale yellow gas with a pungent smell. ![]()
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