A mole of a newly discovered crystalline substance weighs 14.56 grams and displaces 2.3 mL of water. What is the density of the crystal? Find the atomic radius and density of each atom if it is a simple cubic cell? BCC? FCC? HCP?

A mole of a newly discovered crystalline substance weighs 14.56 grams and displaces 2.3 mL of water. What is the density of the crystal? Find the atomic radius and density of each atom if it is a simple cubic cell? BCC? FCC? HCP?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter2: Chemical Compounds

Section: Chapter Questions

Problem 49QRT

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Concept explainers

Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.

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PROBLEM SOLVING: Solve the following problems completely, neatly and orderly. Express all answers to the nearest 4th decimal place.

3. A mole of a newly discovered crystalline substance weighs 14.56 grams and displaces 2.3 mL of water. What is the density of the crystal? Find the atomic radius and density of each atom if it is a simple cubic cell? BCC? FCC? HCP?

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