write the monovalent and bivalent electropositive ions
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Electropositive elements tend to lose electrons and form positive ions, e.g. the univalent alkali metals Li+, Na+, K+, etc., and the divalent alkaline-earth metals Be2+, Mg2+, Ca2+. Compare electronegativit.
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monovalent :- Na+
divalent :- Ca+
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