9Th Class Chemistry New Book 2025 || Lecture 1 || Chapter 2

Atomic Structure National curriculum of pakistan 2023 This video is about first lecture of chemistry new book 2025 and unit 2 of all punjab boards for 2025 and onwards. Second chapter of new chemistry book is about states of atomic structure and the video includes concepts like what is an atom, discovery of electrons , protons and neutrons. #9thchemistrynew