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The alkali metals and the halogens are the most reactive groups and among them, francium and fluorine are the most reactive, especially with each other.

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Is fluorine the most reactive element in the periodic table?

Yes, fluorine is the most reactive element on the periodic table.


The two most reactive groups of elements in the periodic table are the alkali metals and the what?

The two most reactive groups of elements in the periodic table are the alkali metals and the halogens. Halogens are nonmetals located in group 17 of the periodic table and include elements like fluorine, chlorine, and iodine.


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As you move left on the periodic table, the elements get more reactive and as you move down the periodic table. Using that thinking the most reactive elements are the Alkali Earth Metals (column 1) and the most reactive element is Francium. The least reactive are the noble gases in the last column- Helium, Neon, Argon etc..


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Fluorine is the most reactive gas on the periodic table. It readily reacts with almost all other elements, including noble gases like helium.


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