Fluorine ;
The most active of all chem elements is a halogen knowl as** Fluorine**
Fluorine, with the symbol F and atomic number 9, is the most active halogen and the most electronegative element. It reacts with almost all elements and is known for its extreme reactivity and oxidizing power. Discovered by Henri Moissan in 1886, fluorine has significant applications despite its hazardous nature.
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