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प्रश्न
Which of the following alkaline earth metals has the least affinity towards oxygen?
विकल्प
Magnesium
Beryllium
Strontium
Calcium
MCQ
उत्तर
Beryllium
Explanation:
Beryllium has the least affinity for oxygen of all the alkaline earth metals because it is the least electropositive.
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Alkali Metals and Alkaline Earth Metals
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