MCQs on Class 11 Classification of Elements and Periodicity in Properties: Download important MCQs for Class 11 Chemistry Chapter 3 in PDF here. All questions are important for 2023-24 exams.

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To the three requirements of a modern Periodic Table, as stated by A. A. Clifford 1, must be added a fourth, namely, that it should be in as close accord as possible with chemical facts, and above ...