Simply Explaination about the why we need of CHEMICAL Formula and how the concept of VELENCY come and Valence Electron and so more about it by this Audio Podcast, we will share this all abouts the 3rd Chapter of our Class 9th and that mainly include in Chemistry but in text combined and we take the reference topics from our NCERT text books and it's presented by "Srj Science Hub", an Educational branch of Srj Group founnded by Suraj Singhaniya whom abbreviation named as "Srj".
