Join Miss Sarah Blake in this comprehensive GCSE Chemistry episode exploring atomic structure and the periodic table. Learn about the fundamental building blocks of matter - protons, neutrons, and electrons - and discover how these particles determine an element's identity and properties. This episode covers essential GCSE topics including atomic number, mass number, isotopes, and electron shell arrangements. Understand the historical development of atomic theory from ancient Greek philosophers to modern scientists, and explore how Dmitri Mendeleev's periodic table revolutionized chemistry. Students will gain insights into periodic trends, the difference between metals and non-metals, and why elements in the same group share similar properties. Perfect for GCSE Chemistry revision, this episode explains complex concepts in an accessible way, helping students understand electron configurations, chemical bonding foundations, and the organizational principles behind the periodic table. Essential listening for students preparing for chemistry exams, with clear explanations of how atomic structure determines chemical behavior and element classification. Ideal for reinforcing classroom learning and building confidence in fundamental chemistry concepts that form the basis for more advanced topics.