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hello

my question abt mendlives periodic table ,

by obeserving the oxide n hydride of different metals how he kept the elements in groupes?

or what was the basic idea of forming SubgroupA N SubGroup B in a particular group???

Profile image of bharat bhushan  sharma
16 Years agoGrade Upto college level
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1 Answer

Profile image of RAHUL ROHILLA
7 Years ago
I hope the query is resolved.