Hey I wants some extra questions of chemistry chapter periodic table...becoz my pre board is coming soon...
Dear student
You can refer to the following link in our study material:
https://www.meritnation.com/cbse/class10/studymaterial/science/science/periodic-classification-of-elements/10_149_8987
Regards
You can refer to the following link in our study material:
https://www.meritnation.com/cbse/class10/studymaterial/science/science/periodic-classification-of-elements/10_149_8987
Regards