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Class 12 , Chapter 8 : d and f block Elements
The d and f Block Elements Chapter 8 The d and f Block Elements 1. The elements lying in the middle of Periodic Table between s-bloc...
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Classification of Elements and Periodicity in Properties The Modern Periodic Table s a good tabular show of all compound elements. It is a...
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What is Concentration ? Concentration is the degree to which one substance is present in a mixture. The concentration of each substance i...
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