Periodic properties -Electron affinity (इलेक्ट्रॉन लब्धि)। Electron negativity (विद्युतऋणता)

Periodic Properties: Electron Affinity & Electronegativity | Chemistry by Maya Mam In this video, we will study Periodic Properties: Electron Affinity and Electronegativity in detail. This lecture is helpful for B.Sc. Chemistry students and competitive examinations, including UGC NET, CSIR NET, RPSC Assistant Professor Chemistry, and other chemistry-related exams. 📚 Topics Covered in This Video: 🔹 1. Electron Affinity Definition and meaning of electron affinity Energy changes during the addition of an electron Factors affecting electron affinity Periodic trends in electron affinity Electron affinity across a period and down a group Exceptions in electron affinity trends Comparison of electron affinity in important elements Difference between electron affinity and electron gain enthalpy 🔹 2. Electronegativity Definition and concept of electronegativity Factors affecting electronegativity Periodic trends in electronegativity Variation across a period and down a group Pauling's scale of electronegativity Mulliken's electronegativity scale Allred–Rochow scale Electronegativity and chemical bonding Applications of electronegativity in predicting bond polarity 🔹 3. Important Comparisons Electron affinity vs. electronegativity Electron affinity vs. electron gain enthalpy Important exceptions and examples Exam-oriented questions and concepts 🎯 Who Should Watch This Lecture? ✅ B.Sc. Chemistry Students ✅ M.Sc. Chemistry Students ✅ UGC NET / CSIR NET Aspirants ✅ RPSC Assistant Professor Chemistry Aspirants ✅ First Grade Chemistry Aspirants ✅ Students preparing for competitive examinations 📌 Why Watch This Video? Understand the fundamental concepts of periodic properties with great explanation , important trends, examples and exam oriented preparation. 🔍SEO Keywords Periodic Properties, Electron Affinity, Electronegativity, Electron Gain Enthalpy, Periodic Trends in Chemistry, Pauling Scale, Mulliken Scale, Allred Rochow Scale, BSc Chemistry, MSc Chemistry, UGC NET Chemistry, CSIR NET Chemistry, RPSC Assistant Professor Chemistry, Periodic Table Chemistry, Chemistry by Maya Mam. 🏷️ Hashtags #PeriodicProperties #ElectronAffinity #Electronegativity #Chemistry #BScChemistry #MScChemistry #UGCNETChemistry #CSIRNET #RPSCAssistantProfessor #ChemistryByMayaMam #PeriodicTable #ChemicalBonding