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CISCE(English Medium) ICSE Class 10
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Syllabus

At the time of Mendeleev, there were ______ elements known.

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Question

At the time of Mendeleev, there were ______ elements known.

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Solution

At the time of Mendeleev, there were 63 elements known.

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Q 2. (i)
Chapter 1: Periodic Properties and Variations of Properties - Intext Question [Page 4]

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Lakhmir Singh Chemistry [English] Class 10 ICSE
Chapter 1 Periodic Properties and Variations of Properties
Intext Question | Q 2. (i) | Page 4
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