journey Inside the Atom NCERT Solutions | Class 9 Science Chapter 9 | Nikita Ma'am

In this session, we'll explore the fascinating world of atoms and understand how scientists discovered the structure of matter. Learn every NCERT question with simple explanations, exam-oriented concepts, and important points to help you score full marks in your school exams. --------------- ➡️Class 9, 10, 11, 12 subscription: https://unacademy.com/goal/cbse-class... ⏬Download Session PDF: https://unacademy.com/content/cbse/cl... 📌Telegram Channel: https://t.me/knightsclass9unacademy -------------- Timestamp 00:00 – Introduction 00:31 – Rutherford's Gold Foil Experiment 02:10 – Bohr's Atomic Model 03:56 – Isotopes & Isobars 05:32 – Rutherford's Conclusions 07:15 – Evolution of Atomic Models 07:52 – Why Electrons Don't Fall into the Nucleus? 09:03 – Assertion & Reason 09:37 – Magnesium Numericals 10:55 – Electronic Configuration & Valency 13:19 – Rutherford vs Bohr Model 14:53 – NCERT Numericals 17:32 – Final NCERT Question 19:39 – Conclusion #class9science #atom #ncertsolutions #newncert #cbseclass9 #scienceclass9