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...f the elements, it is expected to be an [[s-block]] element, an [[alkaline earth metal]], and the second element in the eighth [[Period (periodic table)|per ...ow the +4 and +6 oxidation states, which are unknown in any other alkaline earth metal. ...

...ile it should show the characteristic +1 [[oxidation state]] of the alkali metals, it is also predicted to show the +3 and +5 oxidation states, which are unk ...ngener]]s; however, it is also predicted to differ from the lighter alkali metals in some properties.<ref name="Haire" /> ...