Class 12 · Chemistry · Ch

Formative-only topics (not in board exam)

The p-Block Elements (Groups 15-18) and The Solid State

JEE Tough ~12h to learn

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7 concepts to cover

7 concepts

Solid state: crystalline vs amorphousUnit cells and packing efficiency (fcc, bcc, hcp)Point defectsGroup 15: nitrogen, ammonia, nitric acid, phosphorus allotropes and oxoacidsGroup 16: oxygen, ozone, sulphur, H2SO4Group 17: chlorine, HCl, interhalogens, oxoacidsGroup 18: xenon fluorides and oxides

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Solid state: crystalline vs amorphous

Unit cells and packing efficiency (fcc, bcc, hcp)

Point defects

Group 16: oxygen, ozone, sulphur, H2SO4

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