Understanding Atomic Structure and Applications of Key Elements for Grade 8 This educational video explores the atomic structure of ten important elements including La, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Hg. Designed for Grade 8 students, it covers atomic numbers, subatomic particles, valence electrons, and highlights real-world applications in industry and technology. Clear animations and diagrams help explain complex concepts in a friendly and informative way. Learn how these elements impact e