Everything You Need to Know About Isotopes & Subshells | Class 9

📘 Class 9 Chemistry | Chapter 2 | Atomic Structure (Part 3) In this lecture, we discuss subshells, electron capacity, isotopes and radioactive isotopes in an easy and detailed way according to the SNC syllabus for 9th class students. 🔹 Topics Covered: ✔ Subshells of atom ✔ Size and visualization of atom ✔ Electron capacity of shells & subshells ✔ Atomic number & atomic mass ✔ Ions vs isotopes ✔ Isotopes and their masses ✔ Chemical & physical properties of isotopes ✔ Radioactive isotopes ✔ Why isotopes emit radiations 🎯 Helpful for Matric / 9th Class Chemistry preparation 📚 Chapter 2 – Atomic Structure (SNC) Like 👍 Share 🔁 Subscribe 🔔 for more chemistry lectures.