p-Block Elements (Class 12): Groups 15 to 18 as Trends, Not Lists
Class 12 · Inorganic Chemistry p-Block Elements (Class 12): Groups 15 to 18 as Trends, Not Lists The chapter students most often try to memorise whole — and the one where that strategy fails most completely. Class 12 · Chemistry · Inorganic · Published 29 August 2026 In short: The p-Block looks like the largest memory load in Class 12 Inorganic. Most of it is not memory at all: a small number of trends — size, electronegativity, the inert pair effect and the anomalous behaviour of the first element — predict the majority of what students are asked to recall….