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Groups 1 and 17.
Alkaline Earth metals
Group 1 elements, known as alkali metals, combine most readily with group 17 elements, which are the halogens. This is because alkali metals have a single electron in their outer shell that they readily lose, while halogens have seven electrons and tend to gain one to achieve a full outer shell. The resulting ionic bonds between these elements lead to the formation of stable compounds, such as sodium chloride (NaCl).
The family of elements that react readily with metals is the halogens. This group includes elements such as fluorine, chlorine, bromine, iodine, and astatine. Halogens are highly reactive nonmetals that readily form compounds with metals by gaining an electron to achieve a stable electron configuration.
Noble gases (or group 18 elements)
Groups 1 and 17.
Alkaline Earth metals
elements of group 17 (most readily) followed by group 16 and group 15
Group 1 elements, known as alkali metals, combine most readily with group 17 elements, which are the halogens. This is because alkali metals have a single electron in their outer shell that they readily lose, while halogens have seven electrons and tend to gain one to achieve a full outer shell. The resulting ionic bonds between these elements lead to the formation of stable compounds, such as sodium chloride (NaCl).
As a general rule, these are the elements toward the top of the group in the periodic table.
Nitrogen (N) is the group 15 element that can lose an electron most readily because it has the highest ionization energy within the group. This means that it requires the least amount of energy to remove an electron from a nitrogen atom compared to the other group 15 elements.
Oxygen is the most reactive gas in the atmosphere. It readily combines with other elements and compounds to form oxides.
The family of elements that react readily with metals is the halogens. This group includes elements such as fluorine, chlorine, bromine, iodine, and astatine. Halogens are highly reactive nonmetals that readily form compounds with metals by gaining an electron to achieve a stable electron configuration.
Group 16 elements, also known as chalcogens, would most readily react with group 2 elements (alkaline earth metals) to form compounds. This reaction typically involves the transfer of electrons from the alkaline earth metal to the chalcogen to achieve a stable electron configuration. Examples include reactions between oxygen (a group 16 element) and magnesium (a group 2 element) to form magnesium oxide.
Yes, except for the group 18 elements (noble gases), most nonmetals readily form gases due to their high electronegativity and tendency to gain electrons in chemical reactions. This allows them to exist as gases at room temperature and pressure.
The most reactive non-metals are the halogens, group 17.
Group 1 (alkali metals) is the most reactive group of elements. This group includes lithium, sodium, potassium, rubidium, cesium, and francium. They are highly reactive due to having only one electron in their outermost shell, which they readily donate to form stable compounds.