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Many elements crystalize with a unit cell that is hexagonally shaped (6 sided). The calculations of the unit cell dimension are not significantly more complicated than those for cubic unit cells. A hexagonal unit cell is shown below. Volume 3√3 a²c 2 6 atoms per unit cell The cell dimension "a" is twice the radius (r) of the atom. 2r=a. For most elements the dimension "c" is approximately 1.633x"a". The element cobalt (Co) crystallizes with a Simple Hexagonal unit cell. The density of a cobalt is 8.9 g/cm³. Use this information to calculate the metallic radius of cobalt in picometers (pm). 1 pm = 1x10-12 meters. You can assume that the dimension c-1.633-a

Many elements crystalize with a unit cell that is hexagonally shaped (6 sided). The calculations of the unit cell dimension are not significantly more complicated than those for cubic unit cells. A hexagonal unit cell is shown below. Volume 3√3 a²c 2 6 atoms per unit cell The cell dimension "a" is twice the radius (r) of the atom. 2r=a. For most elements the dimension "c" is approximately 1.633x"a". The element cobalt (Co) crystallizes with a Simple Hexagonal unit cell. The density of a cobalt is 8.9 g/cm³. Use this information to calculate the metallic radius of cobalt in picometers (pm). 1 pm = 1x10-12 meters. You can assume that the dimension c-1.633-a

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter9: Liquids, Solids, And Materials
Section9.6: Crystalline Solids
Problem 9.12E: Crystalline polonium has a primitive cubic unit cell, lithium has a body-centered cubic unit cell,...
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Many elements crystalize with a unit cell that is hexagonally shaped (6 sided). The calculations of the unit cell dimension are not significantly more complicated than those for cubic unit cells. A hexagonal unit cell is shown below. Volume 3√/3 a²c 2 6 atoms per unit cell The cell dimension "a" is twice the radius (r) of the atom. 2r=a. For most elements the dimension "c" is approximately 1.633x"a". The element cobalt (Co) crystallizes with a Simple Hexagonal unit cell. The density of a cobalt is 8.9 g/cm³. Use this information to calculate the metallic radius of cobalt in picometers (pm). 1 pm = 1x10-¹2 meters. You can assume that the dimension c=1.633.a
Transcribed Image Text:Many elements crystalize with a unit cell that is hexagonally shaped (6 sided). The calculations of the unit cell dimension are not significantly more complicated than those for cubic unit cells. A hexagonal unit cell is shown below. Volume 3√/3 a²c 2 6 atoms per unit cell The cell dimension "a" is twice the radius (r) of the atom. 2r=a. For most elements the dimension "c" is approximately 1.633x"a". The element cobalt (Co) crystallizes with a Simple Hexagonal unit cell. The density of a cobalt is 8.9 g/cm³. Use this information to calculate the metallic radius of cobalt in picometers (pm). 1 pm = 1x10-¹2 meters. You can assume that the dimension c=1.633.a
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