The Solid State

ChemistryClass 12

Unit cells, the fractional contribution rule, packing efficiency, and voids. Count the slices, not the spheres. 2-3 NEET questions every year.

Key Topics in this Chapter

Simple cubic, bcc, fccPacking efficiencyAtoms per unit cell (Z)Tetrahedral and octahedral voidsDensity formula

Interactive 3D Labs for this Chapter

Unit Cell Packing

3D

Unit Cells: Count the Slices, Not the Spheres

2-3 NEET questions

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