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The S-Block Elements

Question
CBSEENCH11007138

How will you explain the electropositive or metallic character of alkaline earth metals?

Solution

Alkaline earth metals are fairly electropositive as their atoms have a tendency to lose their two outermost electrons forming dipositive ions. 
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On moving down the group, the atomic radii increase and ionisation enthalpies decrease. Consequently, the electropositive or metallic character increases. Thus, Mg is more electropositive than Be and so on.