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Conceptual Physical Science (6th Edition)
6th Edition
ISBN: 9780134060491
Author: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
Publisher: PEARSON
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Question
Chapter 15, Problem 69E
To determine
The reason for Ammonia having more polarity than Boron trifluoride.
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Students have asked these similar questions
diamond and lead of pencil are composed by carbon atom. however their electrical properties is different. why?
pease give a detailed answer.
(a) Using the periodic table provided, write down the shorthand electron notation for the following three
elements and indicate whether they are active, inactive or intermediate:
Scandium (Sc):
Argon (Ar); Aluminium (Al)
(b) Metals are conductors of electricity whereas insulators such as ceramic materials are not. Using the
honding theory, show and explain why metals are conductors and ceramics are insulators.
(c) Aluminium is a good conductor of electricity. A 100 m aluminium wire of diameter 2.25 mm is to be
used in domestic electrical wiring. If a voltage of 250V and a current of 13 amps are needed,
answer the following
i.
What is the conductivity of the aluminium wire?
ii.
Give two reasons why aluminium wire is not used in domestic wiring in Zambia?
ii.
Give three applications of pure aluminium.
Referring only to a periodic table, give the ionic charge expected for each of these representative elements. (Type your answ
(a)
Be
(b)
Kr
(c)
Li
(d)
P.
(е)
Te
(f)
CI
(g)
(h)
Ba
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Chapter 15 Solutions
Conceptual Physical Science (6th Edition)
Ch. 15 - How many electrons can occupy the first shell? How...Ch. 15 - Which electrons are represented by an electron-dot...Ch. 15 - Prob. 3RCQCh. 15 - How does an ion differ from an atom?Ch. 15 - To become a negative ion, does an atom lose or...Ch. 15 - Why does the fluorine atom tend to gain only one...Ch. 15 - Prob. 7RCQCh. 15 - Suppose an oxygen atom gains two electrons to...Ch. 15 - Prob. 9RCQCh. 15 - Do metals more readily gain or lose electrons?
Ch. 15 - What is an alloy?Ch. 15 - What is a native metal?Ch. 15 - Prob. 13RCQCh. 15 - Prob. 14RCQCh. 15 - Within a neutral molecule, how many covalent bonds...Ch. 15 - Prob. 16RCQCh. 15 - Prob. 17RCQCh. 15 - Prob. 18RCQCh. 15 - Prob. 19RCQCh. 15 - How can a molecule be nonpolar when it consists of...Ch. 15 - Why do nonpolar substances boil at relatively low...Ch. 15 - Which is more symmetrical: a polar molecule or a...Ch. 15 - Why dont oil and water mix?Ch. 15 - Prob. 24RCQCh. 15 - Which is stronger: the ion-dipole attraction or...Ch. 15 - What is a hydrogen bond?Ch. 15 - Are induced dipoles permanent?Ch. 15 - Prob. 31TASCh. 15 - What is the electric charge on the calcium ion in...Ch. 15 - Prob. 33TASCh. 15 - Prob. 34TASCh. 15 - Rank these bonds in order of increasing polarity:...Ch. 15 - Prob. 36TARCh. 15 - Prob. 37TARCh. 15 - Prob. 38TARCh. 15 - Prob. 39ECh. 15 - Prob. 40ECh. 15 - How many more electrons can fit within the valence...Ch. 15 - Prob. 42ECh. 15 - What happens when hydrogens electron gets close to...Ch. 15 - Prob. 44ECh. 15 - Why does an atom with few valence electrons tend...Ch. 15 - Why is it so easy for a magnesium atom to lose two...Ch. 15 - Why doesnt the neon atom tend to lose or gain any...Ch. 15 - Why does an atom with many valence electrons tend...Ch. 15 - Sulfuric acid, H2SO4, loses two protons to form...Ch. 15 - Prob. 50ECh. 15 - Which should be more difficult to pull apart: a...Ch. 15 - Prob. 52ECh. 15 - Given that the total number of atoms on our planet...Ch. 15 - An artist wants to create a metal sculpture using...Ch. 15 - Two fluorine atoms join together to form a...Ch. 15 - How are metallic bonds similar to ionic bonds? How...Ch. 15 - What drives an atom to form a covalent bond: its...Ch. 15 - Atoms of nonmetallic elements form covalent bonds,...Ch. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Write the electron-dot structure for the covalent...Ch. 15 - Prob. 62ECh. 15 - In each molecule, which atom carries the greater...Ch. 15 - Which is more polar: a sulfur-bromine (S-Br) bond...Ch. 15 - True or False: The greater the nuclear charge of...Ch. 15 - True or False: The more shells in an atom, the...Ch. 15 - Water, H2O, and methane, CH4, have about the same...Ch. 15 - In the figure on the next page, the molecule from...Ch. 15 - Prob. 69ECh. 15 - Three kids sitting equally apart around a table...Ch. 15 - Which is stronger: the covalent bond that holds...Ch. 15 - The charges with sodium chloride are all...Ch. 15 - Prob. 73ECh. 15 - Prob. 74ECh. 15 - Prob. 75ECh. 15 - A thin stream of water is pulled to a rubber...Ch. 15 - Prob. 77ECh. 15 - Prob. 1RATCh. 15 - Prob. 2RATCh. 15 - Which would you expect to have a higher melting...Ch. 15 - Why are ores so valuable? (a) They are sources of...Ch. 15 - In terms of the periodic table, is there an abrupt...Ch. 15 - A hydrogen atom does not form more than one...Ch. 15 - When nitrogen and fluorine combine to form a...Ch. 15 - Prob. 8RATCh. 15 - Prob. 9RATCh. 15 - Iodine, I2, has a higher melting point than...
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Similar questions
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- Insulators also contain electrons, but they are not conductors, Why?arrow_forwardDetermine the dissociation energy of 12 moles of sodium chloride (NaCl). (Hint; the repulsion constant n is approximately 8.)arrow_forwardConsider the hypothetical case in which the charge on the electron is twice that of a proton. If the neutral atom must maintain a charge of 0, then how many protons and electrons would calcium-20 contain? Is it possible to make hydrogen this way?arrow_forward
- Why is chromium so useful for decorative electroplating?arrow_forwardWhat is the force of attraction (in newtons) between a cation with avalence of +2 and an anion with a valence of -3 , the centers of which are separated by 7.4 nm?arrow_forward(4) Predict the structure of CsCl. Given: radius of Cs+= 0.160 nm, radius of Cl-=0.181nm. Calculate the radius ratio between Cs+ and Cl- and derive the coordination number (CN) based on the table below. Rcation/Ranion CN 0-0.155 2 3 0.155-0.225 0.225-0.414 0.414-0.732 0.732-1 1 4 6 8 12arrow_forward
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