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#Chemistry #HighSchool #chemistry #youtubeshorts Atomic Structure, Explanation of Atomic Structure, Thomson's Model, Rutherford's Model, Second Year High School Chemistry, Chemistry Explanation, Atomic Models If the lesson on atomic structure is confusing you in chemistry, this video will explain the topic step by step in a simple way. 00:00 Introduction to Chapter Two – Atomic Structure 00:36 What is the meaning of an atom? Explaining the concept simply 02:05 Scientists who talked about the atom 04:30 Scientists included in the second year of secondary school curriculum 07:15 The beginning of Thomson's model of the atom 07:30 Explanation of Thomson's model (the solid sphere) 08:40 Thomson's model as a watermelon 10:50 The beginning of Rutherford's model of the atom 12:40 Rutherford's laboratory experiment 14:05 Components of Rutherford's experiment 16:00 The lead box and the source of alpha particles 19:00 The zinc sulfide (ZnS) plate 22:00 The fluorescence phenomenon 24:00 Placing the gold foil in the experiment 26:00 Most alpha particles pass through 28:40 Some alpha particles are deflected 29:20 A few alpha particles are reflected back 31:50 Interpreting the results of Rutherford's experiment 33:40 Concluding the existence of the atomic nucleus 36:00 Assumptions of the model Rutherford 37:30 Properties of the Atomic Nucleus 39:30 Electron Movement Around the Nucleus 42:00 Explanation of Why Electrons Don't Fall into the Nucleus 44:30 Important Notes on Rutherford's Model 46:10 Reason for the Failure of Rutherford's Model 48:20 Comparison Between Thomson's and Rutherford's Models 51:30 The Relationship of Alpha Particles to the Helium Nucleus 52:20 End of Lesson and Preparation for the Next Lesson (Bohr and Modern Theory) We will discuss Thomson's and Rutherford's models and understand how scientists explained the structure of the atom and the differences between these models in an easy way suitable for second-year high school chemistry students. This video will help you understand the main concepts instead of memorizing them, and you will be able to answer questions about the atomic structure lesson easily. Explaining the structure of the atom is one of the most important parts of the 11th grade chemistry curriculum. 📘 In this video with Mr. Mohamed El-Meniawy: ✔ The concept of the atom and its evolution ✔ Thomson's model with a simplified explanation ✔ Rutherford's experiment and model ✔ Comparison between the models ✔ Important exam concepts 🎯 This video is suitable for: – Understanding from the beginning – Reviewing before the exam 🔔 Subscribe to the channel 👍 Like the video 💬 Write your question in the comments. Explanation of the structure of the atom, 11th grade chemistry, Thomson and Rutherford models, comparison of atomic models, exam concepts, 11th grade chemistry, Mr. Mohamed El-Meniawy, edu live academy Atomic structure, 11th grade chemistry, Thomson and Rutherford models, explanation of the atom, atomic models, 11th grade chemistry exam, Mr. Mohamed El-Meniawy Atomic structure, 11th grade chemistry, Thomson and Rutherford models, atomic models, Mr. Mohamed El-Meniawy, edu live academy