Pushing Electrons
4th Edition
ISBN: 9781133951889
Author: Weeks, Daniel P.
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 56EQ
Tetrahydrofuran has the structure
When a proton becomes bonded to tetrahydrofuran the result is
___________________________
In this structure the oxygen atom owns one electron from each of ____ shared pairs and two electrons from ____ unshared pair. The formal charge on the oxygen atom is ____. The Lewis structure for the conjugate acid of tetrahydrofuran is
___________________________
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___________ pairs: shared electrons in a Lewis structure; they can be represented by two dots or one line, NOT both!
A. State the Octet Rule.B. Write the Lewis symbol of neon. Is the neon atom stable? Does neon exist as atoms in nature? If not, how does neon exist in nature.C. Write the Lewis symbol of nitrogen. Is the nitrogen atom stable? Does nitrogen exist as atoms in nature? If not, how does nitrogen exist in nature.
Decide whether these proposed Lewis structures are reasonable.
proposed Lewis structure
Is the proposed Lewis structure reasonable?
Yes.
No, it has the wrong number of valence electrons.
Н— Br
The correct number is: U
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:*
Yes.
No, it has the wrong number of valence electrons.
..
The correct number is: O
Н — С — С — Н
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:*
Yes.
No, it has the wrong number of valence electrons.
The correct number is: ||
Н — Н-
No, it has the right number of valence electrons but doesn't satisfy the
octet rule.
The symbols of the problem atoms are:*
:0 :
:
Chapter 1 Solutions
Pushing Electrons
Ch. 1 - 1. Hydrogen is a Group I element and each...Ch. 1 - Methanol has the molecular formula CH4O. Its...Ch. 1 - 3. The skeleton of chloromethane is...Ch. 1 - 4. Methanol’s skeleton is
Connecting all bonded...Ch. 1 - 5. The structure for chloromethane is
It...Ch. 1 - Prob. 6EQCh. 1 - 7. Dimethyl ether
No. of electrons in...Ch. 1 - Methylamine (CH5N) No. of electrons in structure...Ch. 1 - Methanethiol (CH4S) No. of electrons in structure...Ch. 1 - Methylal (C3H8O2) No. of electrons in structure...
Ch. 1 - Prob. 11EQCh. 1 - Adding electrons to the skeleton by making single...Ch. 1 - This is done by removing an unshared pair from...Ch. 1 - Prob. 14EQCh. 1 - Prob. 15EQCh. 1 - Prob. 16EQCh. 1 - The skeleton of acetyl chloride is . Write the...Ch. 1 - Three constitutional isomers exist for the formula...Ch. 1 - A number of constitutional isomers exist for the...Ch. 1 - Using the method outlined above, derive the...Ch. 1 - Prob. 21EQCh. 1 - Prob. 22EQCh. 1 - Prob. 23EQCh. 1 - Prob. 24EQCh. 1 - The skeleton of benzyldimethylamine is
The...Ch. 1 - The skeleton is benzaldoxime is The number of...Ch. 1 - Prob. 27EQCh. 1 - Derive Lewis structures for the compounds below....Ch. 1 - Prob. 29EQCh. 1 - Derive Lewis structures for the compounds below....Ch. 1 - Prob. 31EQCh. 1 - Derive Lewis structures for the compounds below....Ch. 1 - The Lewis structure of acetone is Circling the...Ch. 1 - Chloromethane has the Lewis...Ch. 1 - In the Lewis structure for chloromethane, the...Ch. 1 - Prob. 36EQCh. 1 - The oxygen atom in acetone possesses ____ unshared...Ch. 1 - Nitrobenzene has the skeleton
The number of...Ch. 1 - Prob. 39EQCh. 1 - Compute and add on the formal charges I these...Ch. 1 - Prob. 41EQCh. 1 - Prob. 42EQCh. 1 - Prob. 43EQCh. 1 - Prob. 44EQCh. 1 - Prob. 45EQCh. 1 - Prob. 46EQCh. 1 - Prob. 47EQCh. 1 - Compute and add on the formal charges in these...Ch. 1 - Prob. 49EQCh. 1 - Prob. 50EQCh. 1 - The n-propyl cation can be formed from a molecule...Ch. 1 - Prob. 52EQCh. 1 - Prob. 53EQCh. 1 - Methanol, CH3OH, is a compound in which the formal...Ch. 1 - When a proton becomes bonded to diethyl ether, by...Ch. 1 - Tetrahydrofuran has the structure
When a proton...Ch. 1 - Prob. 57EQCh. 1 - Prob. 58EQCh. 1 - The structure of pyridine is
When a proton...Ch. 1 - The carbon atom owns one electron from each of ...Ch. 1 - The n-butyl anion can be formed from When the CLi...Ch. 1 - The isobutyl anion can be formed from When the CNa...Ch. 1 - Prob. 63EQCh. 1 - Ethanol, , is a compound in which the formal...Ch. 1 - The loss of a proton attached to the oxygen atom...Ch. 1 - A very strong base can remove a proton from...Ch. 1 - Prob. 67EQCh. 1 - Prob. 68EQCh. 1 - Prob. 69EQCh. 1 - The homolysis of the OO bond in diacetyl peroxide...Ch. 1 - Prob. 71EQCh. 1 - Prob. 72EQCh. 1 - Prob. 73EQCh. 1 - Prob. 74EQCh. 1 - Prob. 75EQCh. 1 - Heterolytic cleavage of the CO bond to yield a...Ch. 1 - Prob. 77EQCh. 1 - Prob. 78EQCh. 1 - Prob. 79EQCh. 1 - Prob. 80EQ
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- Using Lewis Structures to Determine the Correct Chemical Formula for Ionic Compounds Use Lewis structures to determine the correct chemical formula for the compound formed between LiandO.arrow_forwarda. How many sticks did you need to make the skeleton structure?____________ b. How many sticks are left over? ____________ If your model is to obey the octet rule, each ball must have four sticks in it except for hydrogen atom balls, which need and can only have one. Each atom in an octet rule species is surrounded by four pairs of electrons. c. How many holes remain to be filled? ____________ Fill them with the remaining sticks, which represent nonbonding electron pairs. Draw the complete Lewis structure for NH2Cl using lines for bonds and pairs of dots for nonbonding electrons.arrow_forwardRepresent the following molecules by Lewis structures: a. CH4 each H atom is bonded to the C atom b. CO2 each O atom is bonded to the C atom c. H2Se each H atom is bonded to the Se atom d. NH3 the H atom is bonded to the N atomarrow_forward
- The n-propyl cation can be formed from a molecule such as When the C–Cl bond is broken so that both electrons leave with Cl, the fragments formed are The carbon atom that had been attached to Cl is now sharing ____ electron pairs. In each shared pair the carbon atom owns ____ electron. The number of electrons that belong to carbon is ____. The formal charge on the carbon atom is ____. The correct Lewis structure for the n-propyl cation isarrow_forwardThink of forming an ionic compound as three steps (this is a simplification, as with all models): (I) removing an electron from the metal; (2) adding an electron to the nonmetal; and (3) allowing the metal cation and nonmetal anion to come together. a. What is the sign of the energy change for each of these three processes? b. In general, what is the sign of the sum of the first two processes? Use examples to support your answer. c. What must be the sign of the sum of the three process d. Given your answer to part c, why do ionic bonds occur? e. Given your above explanations, why is NaCl stable but not Na2Cl? NaCl2? What about MgO compared to MgO2? Mg2O?arrow_forwardIn the Lewis structure for chloromethane, the chlorine atom is sharing _____ electron pair and “owns” _____ of those electrons. Also, the chlorine atom possesses two electrons from each of _____ unshared pairs. The total number of electrons that belong to chlorine is 7 . Chlorine is a Group ____ element. The formal charge on chlorine in chloromethane is ____.arrow_forward
- For three simple molecules of your own choice, apply the rules for writing Lewis structures. Write your discussion as if you are explaining the method to someone who is not familiar with Lewis structures.arrow_forwardWrite the Lewis structure for nitrosyl fluoride, FNO. Using only a periodic table, identify (a) which is the longer bond. (b) which is the stronger bond. (c) which is the more polar bond.arrow_forwardDecide whether these proposed Lewis structures are reasonable. proposed Lewis structure Is the proposed Lewis structure reasonable? Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are: 0 Yes. No, it has the wrong number of valence electrons. a=ö:] The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are: 0 Yes. No, it has the wrong number of valence electrons. :0: The correct number is: 0 HIC-H No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:" * If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example, if two oxygen atoms don't satisfy the octet rule, enter "O,0". X 5 ? : Z: I :Z:arrow_forward
- To draw a Lewis Structure, start with the atomic symbol in the middle, then put dots around the symbol until all of the valence electrons are represented. Try to envision a box around the atom symbol, and the electrons on each side of the box. The valence electrons should be drawn around the element symbol one on each side before pairing the electrons up. The maximum number of electrons that could be on one side of a Lewis Structure is two, and the maximum number of electrons around an element symbol is eight. To figure out how many valence electrons each element has, use the Periodic Table. Remember, the number of valance electrons for Group A elements is equal to the Group A number the element is in on the Periodic Table. Use the data you collected in Table 1 to a draw Lewis structure model to show the formation of any one of the compounds you assembled, then explain the model you drew. Remember, you should be explaining and supporting your answers by referencing and citing the…arrow_forwardTo draw a Lewis Structure, start with the atomic symbol in the middle, then put dots around the symbol until all of the valence electrons are represented. Try to envision a box around the atom symbol, and the electrons on each side of the box. The valence electrons should be drawn around the element symbol one on each side before pairing the electrons up. The maximum number of electrons that could be on one side of a Lewis Structure is two, and the maximum number of electrons around an element symbol is eight. To figure out how many valence electrons each element has, use the Periodic Table. Remember, the number of valance electrons for Group A elements is equal to the Group A number the element is in on the Periodic Table. Use the data you collected in Table 1 to a draw Lewis structure model to show the formation of any one of the compounds you assembled, then explain the model you drew. Remember, you should be explaining and supporting your answers by referencing and citing the…arrow_forward的[A]“E] , A is just a generic symbol. 11. In the Lewis Dot Structure Which of the following symbols is an acceptable choice for A? A. Al Mg B. С. Ne D. Sarrow_forward
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