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Hello sir/ma'am,
I am a student of class 10th and I am going to face the board exams this year, So, I was just going through my science book and decided to learn the periodic table of chapter 5 chemistry... So, can someone of you tell me that till which element should I learn or am supposed to learn please?

  • 4 answers

Hritika Prasad 6 years, 1 month ago

20 is enough because 30 are not ask anywhere .

Himanshu Jha 6 years, 1 month ago

Learn up to 30 only .. It is enough

Hritika Prasad 6 years, 1 month ago

yes tushar sharma is absolutely right

Mini Sharma 6 years, 1 month ago

You dont need to learn the table jst learn first 20 elements and their atomic number,period and group number
http://mycbseguide.com/examin8/

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