How many face atoms are shown in the image? number of face atoms: 2 What fraction of each face atom is inside the boundaries of the cell? fraction inside the cell: 1 Incorrect Additionally, there are three atoms that are 100% inside the boundaries of the unit cell. If you sum all the whole and fractions of atoms, how many atoms are actually inside a hexagonal close-packed unit cell? number of atoms inside the cell: 6.

How many face atoms are shown in the image? number of face atoms: 2 What fraction of each face atom is inside the boundaries of the cell? fraction inside the cell: 1 Incorrect Additionally, there are three atoms that are 100% inside the boundaries of the unit cell. If you sum all the whole and fractions of atoms, how many atoms are actually inside a hexagonal close-packed unit cell? number of atoms inside the cell: 6.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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.

Question

How many face atoms are shown in the image?
number of face atoms:
What fraction of each face atom is inside the boundaries of
the cell?
fraction inside the cell:
1
Incorrect
Additionally, there are three atoms that are 100% inside the
boundaries of the unit cell.
If you sum all the whole and fractions of atoms, how many
atoms are actually inside a hexagonal close-packed unit cell?
number of atoms inside the cell:
6.
2.

Consider a hexagonal close-packed unit cell, as shown in
the image.
How many corner atoms are shown in the image?
number of corner atoms:
12
What fraction of each corner atom is inside the boundaries of
the cell?
fraction inside the cell:
2
Incorrect
How many face atoms are shown in the image?
number of face atoms:
2

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