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InterviewSolution
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Which of the following remains unchanged on descending down a group in the Periodic table(a) Valence electron(b) Atomic size(c) Density(d) Metallic characterइनमें से कौन किसी ग्रूप में नीचे जाने पर अपरिवर्तित रहता है ?(a) वेलेन्स इलेक्ट्रॉन(b) परमाण्विक आकार(c) घनत्व(d) धात्विक गुण |
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Answer» Valence electrons remain unchanged on descending down a group in Periodic table.In a group all elements have same valency. The group number is, in fact, valency with respect to oxygen. (a) is correct option |
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