respected teacher,
till what atomic no. do i need to memorize the modern periodic table for my exams..and do i need to memorize the mendeleev's perodic table , the newland's octave and the traids too....?????....if yes,then till where????....

Asked by shailesh arlekar | 27th Feb, 2015, 11:15: AM

Expert Answer:

Entire chapter is important. Study and understand it throughly.
You can memorise first 30 elements of the periodic table.

Answered by Hanisha Vyas | 27th Feb, 2015, 09:01: PM

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