Detailed Electron Configurations & Valence Electrons of Key Elements | Chemistry Deep Dive Explore the full electron configurations and valence electrons of sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, and argon in this detailed instructional video. Understand atomic structures, orbital diagrams, and periodic trends with clear visuals and explanations. Perfect for chemistry students and educators seeking an engaging, academic deep dive into elemental electron arrangements.