Electronegativity | Trends in Periodic Table | Periodic Classification || Science Tree This topic covers the 9th Class Chemistry Chapter 3 (Periodic table and Periodicity of Properties) includes: 1. Electronegativity 2. Covalent Bond 3. Nonpolar Covalent Bond 4. Polar Covalent Bond 5. Unit of Electronegativity 6. Factors of Electronegativity 7. Electronegativity along the period 8. Electronegativity along the group #Electronegativity #CovalentBond #NonpolarCovalentBond #PolarCovalentBond #UnitofElectronegativity #FactorsOfElectronegativity #ElectronegativityAlongThePeriod #ElectronegativityAlongTheGroup