Halogens
The halogens, group 17
Fluorine, oxygen, chlorine.
Nonmetals with lower electron affinity tend to have higher reactivity because they are more likely to gain electrons to achieve a stable electron configuration. This makes them more reactive in chemical reactions as they can readily form bonds with other elements.
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Materials that are typically more reactive and enter into chemical reactions easily include metals like sodium and potassium, as well as highly reactive nonmetals like fluorine and chlorine. These materials readily form compounds through chemical reactions due to their tendency to gain or lose electrons to achieve a stable electron configuration.
Potassium generally reacts more readily with nonmetals than with metals due to its strong tendency to donate its outer electron. This results in the formation of ionic compounds with nonmetals. Potassium can also react with metals, but nonmetal reactions are often more vigorous.
The halogens are the most reactive family of nonmetals, as they have a strong tendency to gain an electron to achieve a full outer shell. Among metals, the alkali metals are the most reactive due to their low ionization energy and strong tendency to lose an electron to achieve a stable electron configuration.
halogens
because of having only one electron in valence shell
This family is the halogen group: F, Cl, Br, I, At, Uus.
Magnesium is highly reactive to water because of the atom's electron arrangement. The products of the reaction are, heat, light, and gas, which are all indicators that they had undergone a chemical reaction.
Among nonmetals, the least chemically reactive are the noble gases, such as helium, neon, argon, krypton, xenon, and radon. These elements have complete valence electron shells, which makes them stable and unlikely to engage in chemical reactions. Additionally, elements like carbon and phosphorus can also exhibit lower reactivity under certain conditions compared to highly reactive nonmetals like fluorine and chlorine.