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Which elements belong to the alkali metal group?
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chemical element
The geochemical cycle.
The alkali metals are a group of six chemical elements located in Group 1 of the periodic table. These elements are:1
Although hydrogen is also located in Group 1, it is not classified as an alkali metal because it exists as a gas at room temperature and does not share the metallic properties characteristic of the group. Alkali metals are defined by having a single valence electron in their outermost shell, which contributes to their high reactivity and similar chemical behaviors.1345