Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Question
Chapter 38, Problem 18A
To determine
The reason for the small size of the Helium than the Hydrogen.
Expert Solution & Answer
Explanation of Solution
Introduction:
The size of an atom depends on the electronic configuration of the atom. The distance of the electron in the outermost shell decides the size of the atom.
The atomic number of the Hydrogen is one, so it has one electron in the shell and one proton in the nucleus. The atomic number of the Helium is two and it has two electrons in the outer shell and one proton in the nucleus.
The attraction of the nucleus on the one electron of the Hydrogen atom is less than the attraction of the nucleus on the two electrons of Helium atom. The distance of the outer shell electrons from nucleus is less for the Helium atom than the for the Hydrogen atom due to strong attraction.
Conclusion:
The size of the Helium atom is less than the Hydrogen due to strong attractive force in the Helium atom than the Hydrogen atom.
Chapter 38 Solutions
Conceptual Physics: The High School Physics Program
Ch. 38 - What is a model? Give two examples for the nature...Ch. 38 - Prob. 2ACh. 38 - Prob. 3ACh. 38 - Prob. 4ACh. 38 - Prob. 5ACh. 38 - Prob. 6ACh. 38 - Prob. 7ACh. 38 - Prob. 8ACh. 38 - Prob. 9ACh. 38 - What causes light to behave like a particle?
Ch. 38 - Prob. 11ACh. 38 - Prob. 12ACh. 38 - Prob. 13ACh. 38 - Prob. 14ACh. 38 - Prob. 15ACh. 38 - Prob. 16ACh. 38 - Prob. 17ACh. 38 - Prob. 18ACh. 38 - Why are the heaviest elements not appreciably...Ch. 38 - Prob. 20ACh. 38 - Prob. 21ACh. 38 - What information is necessary to make predictions...Ch. 38 - Prob. 23ACh. 38 - Prob. 24ACh. 38 - Prob. 25ACh. 38 - Prob. 26ACh. 38 - Prob. 27ACh. 38 - Prob. 28ACh. 38 - Prob. 29ACh. 38 - Prob. 30ACh. 38 - Prob. 31ACh. 38 - Prob. 32ACh. 38 - Prob. 33ACh. 38 - Prob. 34ACh. 38 - Prob. 35ACh. 38 - Prob. 36ACh. 38 - Prob. 37ACh. 38 - Prob. 38ACh. 38 - Prob. 39ACh. 38 - Prob. 40ACh. 38 - Why will helium leak through an inflated rubber...
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