+Ba2+ is the [Ion](/wiki/Ion) of [Barium](/wiki/Barium), an alkaline earth metal. This dication carries a +2 charge, reflecting its nature in ionic compounds and solutions.
+## See also
+- [Alkaline Earth Metals](/wiki/Alkaline_Earth_Metals)
+- [Periodic Table](/wiki/Periodic_Table)
+- [Ionic Bond](/wiki/Ionic_Bond)
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