Which of the following is most electronegative element? (a) \( \mathrm{Li} \) (b) \( \mathrm{Mg}...

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Which of the following is most electronegative element?
(a) \( \mathrm{Li} \)
(b) \( \mathrm{Mg} \)
(c) \( \mathrm{H} \)
(d) \( \mathrm{Na} \)
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