FSc Chemistry Book2, CH 1, LEC 4: Electronegativity, Ionization Energy & Electron Affinity - Periodic Trends in Elements (Part 2)

Concept of nuclear interactions and bonding. Electronegativity and electropositivity alongwith the ease of removing electrons from atoms. The screening/shielding affect, affect of atomic size on I.E & E.A an their trends groupwise and periodwise.