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प्रश्न
Beryllium halides are covalent whereas magnesium halides are ionic why?
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उत्तर
Beryllium ion (Be2+) is smaller in size and it is involved in the equal sharing of electrons with halogens to form a covalent bond, whereas magnesium ion (Mg2+) is bigger and is involved in the transfer of electrons to form an ionic bond.
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