Respected IITians, Sir i have joined late for IIT class and i was not there for the lesson 'Structure of atom' and 'Classification of element and periodicy in properties' so i want imp topic in them and tips to cover the topic

Dear Rohit,

Imp topics are..    trend of electonegativity, affinity, atomic size etc along periods and groups , learn and work out all formulae in Structure of atom chapter. Both these topics are imp. and plz practice lots of questions from books  n  coaching material.

Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.

All the best.

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IIT Bombay