Chemistry, asked by Shreekar, 1 year ago

My question is that till where I have to learn periodic table to deal with questions of periodic classification of elements PLEASE ANSWER ONLY IF YOU KNOW NO SPAM

josm: 20-24

avni521: till 20

Answers

Answered by roopkor23

u should learn upto 30 elements with their group number and period number

Shreekar: but with periods and groups

Shreekar: how????

avni521: yes with periods and groups

Answered by KhiteshaA

You can memorize till 20.. It is more than enough.. Provided this is for 9th.. For 10th and above I don't know..
Thank you
Please mark this answer as the brainliest answer : )

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