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Solved: Calculate the energy of a photon of

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 42E Chapter 7

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 42E

Calculate the energy of a photon of electromagnetic radiation at each of the frequencies indicated in Problem 40.

REFERENCE PROBLEM:

Calculate the wavelength of each frequency of electromagnetic radiation:

a.        100.2 MHz (typical frequency for FM radio broadcasting)

b.        1070 KHz (typical frequency for AM radio broadcasting) (assume four significant figures)

c.        835.6 MHz (common frequency used for cell phone communication)

Step-by-Step Solution:
Step 1 of 3

SolutionStep1a)Ionization energy is the energy required to remove the outermost electron from an isolated,gaseous atom and it decreases down the group of 7A elementsThis is beacause as we move down the column 7A in the periodic table,size of the atomsincreases.Thus the distance of the outermost electrons from nucleus increases.When distanceincreases ,the effective nuclear pull experienced by the outermost electrons decreases andthey can be easily removed.Atomic size increases down a group.Thus atomic radius and ionization energy are inverselyproportional.

Step 2 of 3

Chapter 7, Problem 42E is Solved
Step 3 of 3

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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Solved: Calculate the energy of a photon of