Atomic Structure and Periodic Table — Mains Questions

Discuss the evolution of atomic models from Rutherford to the Quantum Mechanical Model, highlighting their successes, limitations, and how each contributed to our current understanding of atomic structure. (250 words, 15 marks)

Explain the major periodic trends in atomic properties (atomic radius, ionization energy, electronegativity) and provide reasons for their variation across a period and down a group. Illustrate with suitable examples. (250 words, 15 marks)

Describe the organization of the modern periodic table based on Moseley's Modern Periodic Law. Elaborate on the characteristics of s, p, d, and f block elements, providing examples and their significance in various applications. (250 words, 15 marks)