They have one electron found in their outermost shell. They are known as group $1$ elements and are found in the s-block of the periodic table. We have to know that members present in alkali metal family are potassium $\left( K \right)$, sodium $\left( \right)$. The reason why they are highly reactive is because of the electronic configuration. We can say that the family which has the most reactive metals in the periodic table is alkali metals. It is not found in nature as a free element. Since the noble gases are a special group because of their lack of reactivity, the element fluorine is the most reactive nonmetal. As such, as you increment the size of atoms of metals in a group, their reactivity likewise rises. The most reactive nonmetals reside in the upper right portion of the periodic table. These electrons are simpler to eliminate, so the atoms promptly form chemical bonds. As you drop down a column or group of the periodic table, there would be an increase in size of the atomic radius.įor the metals, this implies the valence electrons turn out to be farther away from the nucleus which is positively-charged. A component that is exceptionally electronegative, like fluorine, has an incredibly high attraction for holding electrons.Ĭomponents at the far edge of the range, like exceptionally reaction metals cesium and francium, promptly form chemical bonds with electronegative particles. We have to know that Reactivity is a proportion of how possible a chemical species is to partake in chemical reactions to produce chemical bonds. The arrangement is a chart that rundowns components as per how promptly the metals displaces hydrogen in chemical reaction. Hint: We have to know that one can utilize the reactivity of metals series to foresee which metal will be the most reactive and to look at the reactivity of various metals.
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