{"ok":true,"q":"Physics of Radioactivity","n":26,"results":[{"id":"class_11\/chemistry\/chapter_06_environmental_chemistry","title":"Chapter 6 — Environmental Chemistry","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces Environmental Chemistry as the study of chemical processes occurring in air, water and soil and the impact of human activities on these natural processes. I","topic":"","anchor":""},{"id":"class_11\/chemistry\/chapter_01_hydrogen","title":"Chapter 1 — Hydrogen","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces Hydrogen — the simplest and most abundant element in the universe (electronic configuration 1s1) — and examines its unique position in the periodic table, p","topic":"Isotopes of Hydrogen","anchor":"topic-3"},{"id":"class_12\/biology\/chapter_16_environmental_issues","title":"Chapter 16 — Environmental Issues","class_num":12,"subject":"biology","subject_label":"Biology","summary":"This chapter introduces Environmental Issues relevant to Class 12 Biology, explaining how human activities affect air, water, soil and biodiversity at local to global scales. It hi","topic":"Thermal and Radioactive Pollution","anchor":"topic-7"},{"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":"Group 18 (Noble gases)","anchor":"topic-9"},{"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":"Rutherford's nuclear model","anchor":"topic-4"},{"id":"class_10\/science\/chapter_13_our_environment","title":"Chapter 13 — Our Environment","class_num":10,"subject":"science","subject_label":"Science","summary":"Introduction: This chapter introduces the environment as the complex of living (biotic) and non-living (abiotic) components that interact to form ecosystems. It explains how organi","topic":"Pollution and Its Effects","anchor":"topic-10"},{"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":"Isotopes and Isobars","anchor":"topic-7"},{"id":"class_11\/geography\/chapter_03_interior_of_the_earth","title":"Chapter 3 — Interior Of The Earth","class_num":11,"subject":"geography","subject_label":"Geography","summary":"Introduction: This chapter examines the Interior of the Earth — its layered structure, composition, physical properties and the methods geoscientists use to study what lies beneath","topic":"Applied Aspects and Modern Techniques","anchor":"topic-13"},{"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":"Applications and Safety","anchor":"topic-12"},{"id":"class_08\/science\/chapter_18_pollution_of_air_and_water","title":"Chapter 18 — Pollution Of Air And Water","class_num":8,"subject":"science","subject_label":"Science","summary":"Introduction: This chapter explains how air and water — essential natural resources — become contaminated by harmful substances called pollutants. It introduces common air pollutan","topic":"Major Water Pollutants and Their Nature","anchor":"topic-9"}]}