Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN: 9780618974122
Author: Andrei Straumanis
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 6E
For each element, predict (and draw a Lewis structure of) the most commonly occurring ion (some of these have a charge greater than
a. sulfur c. magnesium
b. iodine d. oxygen
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c) Explain which would have the lowest second ionization energy.
Explain which species in each of the following pairs would have the greater electronegativity.
a. lithium or nitrogen
b. sulfur or selenium
Consider the following table of ionization energies in kJ/mole.
Element
1st
2nd
3rd
4th
5th
6th
Na
496
4562
6912
9544
13353
16610
738
1451
7733
Mg
Al
10540
13630
17995
18378
578
1817
2745
11577
14831
Si
786
1577
3232
4356
16091
19785
P
1012
1903
2912
4957
6274
21269
a. Explain why the first ionization energy generally increases as one goes down the group of elements
listed above.
b. Explain why for a particular element , the second ionization energy is greater than the first jonization
energy, the third is greater than the second etc.
c. Explain why Mg has a higher first ionization energy than does Na, but a lower second ionization
energy than does Na.
d. Explain why for aluminum there is a large increase in ionization from 3rd to 4th
6. Write the singly bonded Lewis dot structure for BF3. Which of the following statements
best describes this structure?
A. It obeys the octet rule on all atoms.
B. It has less than an octet on at least one atom.
C. It has a lone pair of electrons on the boron atom.
D. It has less than an octet of electrons on all atoms.
Lewis structure for each of the following atoms.a. Rb (Z = 37) d. Ba (Z = 56)b. Cl (Z = 17) e. P (Z = 15)c. Kr (Z =36) f. At (Z = 85)
Chapter 2 Solutions
Organic Chemistry: A Guided Inquiry
Ch. 2 - Prob. 1CTQCh. 2 - The valence shell of an atom in a legitimate Lewis...Ch. 2 - Prob. 3CTQCh. 2 - Prob. 4CTQCh. 2 - Prob. 5CTQCh. 2 - It is impossible to draw a legitimate Lewis...Ch. 2 - Describe how to calculate the total number of...Ch. 2 - Prob. 8CTQCh. 2 - Prob. 9CTQCh. 2 - Prob. 10CTQ
Ch. 2 - Prob. 11CTQCh. 2 - Prob. 12CTQCh. 2 - A complete Lewis structure must show all nonzero...Ch. 2 - Prob. 14CTQCh. 2 - Prob. 15CTQCh. 2 - Prob. 16CTQCh. 2 - Prob. 17CTQCh. 2 - Prob. 18CTQCh. 2 - Complete the rest of the table for N, O or X by...Ch. 2 - Prob. 20CTQCh. 2 - Prob. 21CTQCh. 2 - Make a checklist that can be used to determine if...Ch. 2 - Prob. 2ECh. 2 - Prob. 3ECh. 2 - Draw the Lewis structure of a neutral molecule...Ch. 2 - Prob. 5ECh. 2 - For each element, predict (and draw a Lewis...Ch. 2 - Predict which of the following species is least...Ch. 2 - The molecules BH3 and SF6 and the ion SO42 exist...Ch. 2 - These are NOTlegitimate Lewisstructures (and...Ch. 2 - Fill in missing formal charges where needed (all...Ch. 2 - Below each structure in the previous question is a...Ch. 2 - Prob. 12ECh. 2 - Carbon monoxide (CO) is an example of an overall...Ch. 2 - Explain why this Lewis structure for CO is not as...Ch. 2 - Prob. 15ECh. 2 - Prob. 16ECh. 2 - Prob. 17ECh. 2 - Prob. 18ECh. 2 - Prob. 19E
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- chalcogen 10. It is a measure of how equally the electrons in a bond are distributed between the two atoms involved in a covalent bond. A polarity B. octet rule C. ionization energy D. electron affinityarrow_forwardIn drawing Lewis structures what does octet rule mean? O a. atoms lose electrons until they have only 8 electrons left O b. atoms are stable if they have 8 p electrons OC. Atoms are the most stable if they have 8 valence electronsarrow_forward2. Avogadro does not "waste" his time drawing a Lewis structure before determining the shape of PF3. He thinks that the shape of PF3 must be trigonal planar because there are three fluorine atoms bonded to the central phosphorus atom. a. Draw the Lewis structure for PF3. b. Was Avogadro's answer for the shape of a PF3 molecule correct? Explain c. Why is it important to draw the Lewis structure for a molecule before identifying the shape of the molecule?arrow_forward
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