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Solution: These exercises are not divided by category,

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 84AE Chapter 2

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 84AE

Problem 84AE

These exercises are not divided by category, although they are roughly in the order of the topics in the chapter. They are not paired.

The diameter of a rubidium atom is 4.95 Å. 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?

Step-by-Step Solution:
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February 08-12 Chemistry 121 Chapter 3 Notes: Atoms and Ionic Bonds: Ions, Molecules, and Chemical Bonds: - Atoms in molecules are bonded together by covalent bonds- which result from sharing two or more electrons between two atoms (nonmetals) Ionic Compounds: Made of charged particles called ions (one metal + one nonmetal) - Gains/loses electrons - Held together by the attraction of positive and negative charges Molecules: Made up of two or more nonmetals Diatomic Molecules: These elements exist naturally as two atoms of each element bonded with one covalent bond (you can remember these elements using BrINClHOF) - Bromine (Br ) 2 - Iodine (I2) - Nitrogen (N 2 - Chlori

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Chapter 2, Problem 84AE is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

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Solution: These exercises are not divided by category,