Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Question
Chapter 56, Problem 1RQ
To determine
The correct term for the missing space.
Expert Solution & Answer
Explanation of Solution
The given sentence is “The atom of a material used as a conductor generally contains_____valence electron.”
The conductor is the material that allow the electron to pass through it easily. This is because there is no gap between the conduction band and the valence band in the conductor.
This is explained as, when the electron is in the valence band then the material is conductor and the atoms number of electrons in the valence band is only one and two.
Thus, the complete sentence is “The atom of a material used as a conductor generally contains one or two valence electron.”
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When an element has its proper complement of valence electrons, it is electrically _________; when an atom has more or fewer than that number, it is an ion and has an electric charge. The charge is ________ when extra electrons are present and ________ when some are missing.
.The ____________ bond is formed among metallic atoms when some electrons in the valence shell separate from their orbital path and exist in a free state like a cloud or gas. Surrounding the positive nuclei in this highly mobile state, the negative cloud bonds the atoms together. Because the electrons in the cloud do not “belong” to any particular atoms, the bond strengths can vary, deformation can take place without rupture, and good heat and electrical conductivity can occur owing to the easy movement of electrons from one atomic site to the next. This type of bonding makes possible some of the useful characteristics of metals, both mechanical properties and physical properties.
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Thermal conductivity measurement for good conductors using Searle's Method
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Industrial Motor Control
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