Periodic Classification of Elements

Choose the wrong statement:

गलत कथन चुनिए:

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Official Solution & Conceptual Rationale Ours Academy Hisar - Chapter 10 Periodic Classification

Both (B) and (C) are wrong: Group 1 are alkali metals (not alkaline earth, which is Group 2), and Ca (Period 4) and Ba (Period 6) are not in Period 2.

कथन (B) और (C) दोनों गलत हैं: पहले समूह के तत्व क्षार धातु हैं और Ca तथा Ba द्वितीय आवर्त के सदस्य नहीं हैं।

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