+**Alkaline Earth** refers to a [group](/wiki/Group) of six metallic [elements](/wiki/Element) found in the periodic table. These reactive metals are known for their two valence electrons and a tendency to form +2 ions, playing vital roles in chemistry and nature.
+## See also
+- [Periodic Table](/wiki/Periodic_Table)
+- [Metal](/wiki/Metal)
+- [Valence Electron](/wiki/Valence_Electron)
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