Captivated Chemistry Module 4: Periodic Trends Module 4: Periodic Trends Lesson Content 0% Complete 0/7 Steps Section 1: Effective Nuclear Charge Section 2: Atomic Radius Section 3: Ionic Radius Section 4: Electronegativity Section 5: Ionization Potential Section 6: Electron Affinity Section 7: Periodic Trends Review Homework: Periodic Trends Previous Lesson Back to Course Next Lesson