you should go through the NCERT class 11 or 12 and in any one of them you will get the chapter.

Go and download the pdf version of NCERT chemistry which is easily available online.

I hope my answer helps. All the very best for your future endeavors!

Hi

You can get the chapter some basic concepts of chemistry by visiting our page the link for the same page is provided below

https://learn.careers360.com/chemistry/some-basic-concepts-in-chemistry-chapter/

This is the first chapter of your class eleventh chemistry and as the the suggested by the name of the chapter you get to learn the basic concepts related with chemistry  so that you can move on to study the next, you will learn different concentration terms like molality molarity ,scientific notation etc in this chapter.

You can even get NCERT solution of this chapter by visiting our page at

https://school.careers360.com/ncert/ncert-solutions-class-11-chemistry-chapter-1-some-basic-concepts-of-chemistry

I hope that you find this helpful

Thank you