Chapter 12, Problem 12.12VP

(a)

Interpretation Introduction

Interpretation: The questions based on thegiven figureofyttrium-barium-copper oxide are to be answered.

Concept introduction: Crystal structure of a material shows the number of ions, atoms or molecule in the ordered arrangement in the material.

There are different types of crystal lattice such as hexagonal, body centered, face centered and end centered cubic lattices.

Unit cell is the smallest unit of any three dimensional crystal lattice.

To determine: The chemical formula of the given compound.

(b)

Interpretation Introduction

To determine: If a difference is made by the fact that which of the oxygen atoms are removed.