Ionization Energy & its Factors | Class 11 | New Syllabus 2025 | | Chemistry | Ansar Abbas Khan |

📘 Welcome to Chemistry with AAK! In this lecture, we cover the concept of Ionization Energy — what it means, how it varies across the periodic table, and what factors affect it. Whether you’re new to this topic or revising for exams, this video will help you understand it clearly and quickly. 🧪 Topics Covered: • What is Ionization Energy? • First, Second & Third Ionization Energies • Factors Affecting Ionization Energy:  • Effective Nuclear Charge  • Atomic Size  • Electron Configuration  • Shielding Effect  • Spin-Pair Repulsion • Periodic Trends in Ionization Energy • Examples using Na, Ca, N, O, etc. 💡 Perfect for: Students of Chemistry who want clear, exam-ready understanding of periodic properties. 📩 Got a topic request? Let me know in the comments or message me directly! 📸 Follow on Instagram for updates & content: @being_ansarkhan ❤️ Spread Chemistry • Spread Love 🎓 Subscribe now and turn on the bell icon 🔔 for more conceptual chemistry videos. #IonizationEnergy #ChemistryLecture #Class11Chemistry #ElectronsAndEnergy #PeriodicTrends #IonizationPotential #GroupAndPeriodTrends #ElectronConfiguration #SpinPairRepulsion #ShieldingEffect #NobleGases #ChemistryShorts #ScienceEducation #ChemistryBoardExam #ChemistryWithAAK #brt #chemistry #chemistrynewsyllabus #chemistry2025 #factorsofionizationenergy #bahriatown #lahore #pakistan