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Grade 12th passModern Physics

Explain the Mendleef, Modern, Extended and long form.

Profile image of khursheed
9 Years agoGrade 12th pass
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1 Answer

Profile image of Tushar
9 Years ago
Mendeelev grouped elements according to increasing order of atomic mass while in modern form ielements are arranged on basis on incresing atomic number moreover modern form of table is able fit more elements as compared to mendeeleve periodic table