The Nucleus and Radioactivity The Nucleus and Radioactivity Please Login to view this lesson. Login Page Back to the course SED122: General Chemistry for integrated Science Lessons Dalton’s Atomic Theory and Recent Modificationxation 12:04 Chemical Equations 17:02 Chemical Equations 17:02 Determination of the Number of Sub-Atomic Particles and Electronic Configuration 21:10 The Nucleus and Radioactivity 13:54 Chemical Bonding: Electrovalent, Covalent and Co-Ordinate Covalent 12:02 Classification of Elements 05:48 Atomic Orbital Model of Electronic Configuration 05:48 Concept of Moles and Calculations based on Molar Mass 10:34 Molar Volume for Gases 06:50 Load More