[1] Download our App ðą: QUALITY SPEAKS KOTA [2] For web access :https://qualityspeakskota.com/ [3] TELEGRAM channel : https://t.me/qualityspeaks2 [4] INSTAGRAM Follow:   / qualityspeaks_official  0:00 Introduction 3:49 Kossel-lewis concept 38:41 Covalent bond 52:04 Valence bond theory (VBT) 1:28:33 Hybridisation 2:26:05 VSEPR Theory 3:01:25 Bond parameters