9th SCIENCE 11- அணு அமைப்பு(PART-1)Atomic structure 💥💥💥💥💥💥💥💥💥

[@lollipops7028]

Chemistry na ennaku alergy sir but neega semmaya nadathuringa thank you so much romba usefull la erukku ....theliva solluringa great..

[@selvas2278]

Very useful video sir.........

[@mathivathanit2820]

Thanks sir

[@ArunKumar-ho9dy]

Very useful sir

[@moorthimoorthi4094]

Ennga class edukuringa.comedy pannikitu