How to study periodic classification chapter for scoring good marks in exam
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First learn all the limitations, bases, laws, inventers of all the 4 periodic tables that are : dobernier triad, Newland, Mandeleev and modern.
learn about the way of moving to valency, electropositivity, electronegativity, acidity, basicity etc. in groups and periods
learn about the way of moving to valency, electropositivity, electronegativity, acidity, basicity etc. in groups and periods
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