Allotropic Forms of Substance - Diamond, Graphite & Fullerene Explained | Class 9 Chemistry

Allotropy is the property of an element to exist in two or more different forms in the same physical state, and these different forms are called allotropes. In this lecture, Faizan Tariq explains the Allotropic Forms of Substance from Chapter 1 (Fundamentals of Chemistry / States of Matter) according to the Punjab Textbook Board New Book 2026 for Class 9 Chemistry. Topics covered: What is allotropy and what are allotropes Crystalline allotropes of carbon: Diamond, Graphite and Fullerene (Buckminsterfullerene) Diamond - structure, hardness and uses Graphite - structure, conductivity and uses (pencils, lubricants) Fullerene (C60) - soccer ball shaped carbon molecule Amorphous allotropes of carbon: Coal, Coke, Charcoal and Lampblack (Soot) Difference between crystalline and amorphous allotropes MCQs and exercise questions for board exam preparation Timestamps: 00:00 Intro 00:05 MCQs 00:49 Allotropic forms of substance 09:38 Lecture overview This lecture is designed for Class 9 students preparing for Punjab Boards including Lahore Board, Faisalabad Board, Multan Board, Gujranwala Board, Sargodha Board, Rawalpindi Board, Sahiwal Board, Bahawalpur Board and DG Khan Board, following the new PTB Chemistry book 2026. Faisal Public School - Quality Education with Conceptual Learning For Admissions Contact: 0300-7663349 Address: Street # 4, Kalar Colony, Opposite Power House, Samundri Road, Faisalabad Subscribe to Faisal Public School for complete Class 9 Chemistry lectures aligned with the new book, daily MCQs, quizzes and exam preparation content. #Class9ChemistryNewBook #AllotropesOfCarbon #DiamondGraphiteFullerene #ChemistryChapter1 #FaisalPublicSchool #faizantariq