{"ok":true,"q":"Quantum Numbers","n":21,"results":[{"id":"class_11\/chemistry\/chapter_02_structure_of_atom","title":"Chapter 2 — Structure Of Atom","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces the historical development and modern understanding of the atom — from early atomic models to the quantum mechanical model. It explains experimental evidenc","topic":"Quantum numbers and orbitals","anchor":"topic-11"},{"id":"class_12\/physics\/chapter_04_atoms","title":"Chapter 12 — Atoms","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter introduces the atomic structure as revealed by early 20th-century experiments and the first successful quantum model of the atom (Bohr model). Beginning with Rutherfor","topic":"","anchor":""},{"id":"class_11\/chemistry\/chapter_03_classification_of_elements_and_periodicity_in_properties","title":"Chapter 3 — Classification Of Elements And Periodicity In Properties","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"Introduction: This chapter introduces the systematic arrangement of elements in the Periodic Table and explains the recurrence (periodicity) of chemical and physical properties. It","topic":"Electronic Configuration and Periodicity","anchor":"topic-5"},{"id":"class_11\/chemistry\/chapter_02_s_block_elements","title":"Chapter 2 — S Block Elements","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter (s-Block Elements) in Chemistry – Part II for Class 11 introduces Group 1 (alkali metals) and Group 2 (alkaline earth metals). It explains their electronic configurati","topic":"Electronic Configuration and Position in the Periodic Table","anchor":"topic-3"},{"id":"class_09\/science\/chapter_04_structure_of_the_atom","title":"Chapter 4 — Structure Of The Atom","class_num":9,"subject":"science","subject_label":"Science","summary":"Introduction: This chapter traces how the idea of the atom evolved from Dalton’s indivisible particles to modern models showing a tiny central nucleus surrounded by electrons. It e","topic":"Electronic Configuration","anchor":"topic-8"},{"id":"class_11\/chemistry\/chapter_03_some_p_block_elements","title":"Chapter 3 — Some P Block Elements","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces the p-block elements (groups 13–18) with emphasis on their electronic configuration, general trends in properties and the characteristic chemistry of select","topic":"Periodic trends in p‑block","anchor":"topic-2"},{"id":"class_12\/chemistry\/chapter_02_the_d_and_f_block_elements","title":"Chapter 4 — The D And F Block Elements","class_num":12,"subject":"chemistry","subject_label":"Chemistry","summary":"Introduction: The d- and f-Block Elements (Class 12 Chemistry – Part II) covers the transition elements (d-block) and inner transition elements (f-block: lanthanoids and actinoids)","topic":"Atomic and ionic radii; lanthanoid contraction","anchor":"topic-6"},{"id":"class_12\/physics\/chapter_03_dual_nature_of_radiation_and_matter","title":"Chapter 11 — Dual Nature Of Radiation And Matter","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter introduces the dual nature of radiation and matter — the idea that electromagnetic radiation and particles like electrons show both wave-like and particle-like propert","topic":"","anchor":""},{"id":"class_12\/physics\/chapter_05_nuclei","title":"Chapter 13 — Nuclei","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter explores the structure, properties and reactions of atomic nuclei — the small, dense cores of atoms made of protons and neutrons. It introduces fundamental concepts su","topic":"Nuclear Reactions and Q-value","anchor":"topic-8"},{"id":"class_12\/physics\/chapter_08_electromagnetic_waves","title":"Chapter 8 — Electromagnetic Waves","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter presents electromagnetic waves as self-propagating disturbances of electric and magnetic fields that follow from Maxwell’s equations. It begins with the physical need ","topic":"","anchor":""}]}