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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The diameter of a rubidium atom is 4.95 A° . We will consider
two different ways of placing the atoms on a surface. In arrangement
A, all the atoms are lined up with one another
to form a square grid. Arrangement B is called a close-packed
arrangement because the atoms sit in the “depressions”
formed by the previous row of atoms:(a) Using arrangement A, how many Rb atoms could be placed
on a square surface that is 1.0 cm on a side? (b) How many Rb
atoms could be placed on a square surface that is 1.0 cm on a
side, using arrangement B? (c) By what factor has the number
of atoms on the surface increased in going to arrangement B
from arrangement A? If extended to three dimensions, which
arrangement would lead to a greater density for Rb metal?

A
В
Transcribed Image Text:A В
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