Assertion (A): लीधियम अगले समूह में विकर्ण रूप से स्थित मैग्नीशियम से समानता रखता है। Reason (R)...

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Assertion (A): लीधियम अगले समूह में विकर्ण रूप से स्थित मैग्नीशियम से समानता रखता है।
Reason (R): \( \mathrm{Li}^{+} \)एवं \( \mathrm{Mg}^{2+} \) के आकार भिन्न होते हैं तथा उनके विद्युत्-धनात्मक
गुण समान होते हैं।
(A) Both A and R are true and R is the correct explanation of A.br(B) Both A and R are true, but R is not the correct explanation of A.
(C) A is true, but R is false.
(D) A is false, but R is true.
(E) Both A and R are false.
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