Atomic Structure |9th Chemistry |Ch-2

Topics covered in this lecture: The early concept of the atom by Democritus John Dalton’s atomic theory Discharge tube experiments Discovery of subatomic particles Electrons and their negative charge Protons and their positive charge Comparison of the masses of protons and electrons Deflection of charged particles in an electric field Introduction to the modern concept of atomic structure 🎯 What will you learn? By the end of this lecture, you will understand how the concept of the atom developed, how scientists discovered electrons and protons, and how their electric charges were identified through experiments. This lecture is helpful for chemistry students preparing for school examinations, conceptual learning, and competitive tests. 👍 If you find this lecture helpful, please LIKE, SHARE, and SUBSCRIBE to Sajjad Chemistry for more educational chemistry lectures. 🔔 Turn on notifications so you never miss a new lesson! #StructureOfAtom #Chemistry #AtomicStructure #SajjadChemistry #ChemistryLecture