Question
Alkaline earth metals have low values of electronegativity; which decrease down the group.
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Answer
- Electronegativity represents attractive force exerted by the nucleus on shared electrons.
- The general outer electronic configuration of alkaline earth metals is $ns^2$. They readily lose their two valence shell electrons to achieve stable noble gas configuration. They are electropositive and hence, they have low values of electronegativity.
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