Which element among the alkaline earth metals | vedclass

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(D) Among the alkaline earth metals,$Be$ (Beryllium) has the smallest atomic size and high ionization enthalpy. According to Fajan's rule,a small cati

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$Be$

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(D) Among the alkaline earth metals,$Be$ (Beryllium) has the smallest atomic size and high ionization enthalpy. According to Fajan's rule,a small cation with high charge density has high polarizing power,which leads to significant covalent character in its bonds. Therefore,$Be$ compounds are predominantly covalent,while other alkaline earth metals form ionic compounds.

Which element among the alkaline earth metals primarily forms covalent compounds?

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