6-Year AAT Q.71 MCQ · 1.0M Verified Key ID: sci-ch10-q11
General Science

Periodic Classification of Elements

The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?

निम्न में से कौन सा जोड़ा एक ही समूह से होगा? 9A, 11B, 17C, 12D, 13E
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