Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN: 9781305079250
Author: Mark S. Cracolice, Ed Peters
Publisher: Cengage Learning
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Chapter 12, Problem 60E
Interpretation Introduction
Interpretation:
An explanation as to how five or six electron pairs around a central atom are possible when there are only four valence electrons from the
Concept introduction:
The number of bonds formed by an atom is generally explained by the octet rule. The octet rule states that there can be a maximum of eight valence electrons around an atom to attain stability. So, if the number of valence electrons in an atom is
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13:56
Question 3: What is the best
reason for the observation that
carbon can form four bonds and
no more? *
Carbon is in period 2 of the
periodic table.
Carbon has four valence
electrons in the n = 2 energy
level.
An electron is transferred from
the filled 2s orbital to an
unoccupied 2p orbital.
The energy gap between the n =
1 and n = 2 is large and no
further electrons can, therefore,
be promoted from lower energy
levels to facilitate more bonds.
All of the reasons given above
explain the observation.
Question 4: Select the structures
in Figure 4 that are drawn
correctly *
II
...
The Lewis structure for SF6 is shown below. This sulfur S atom in this molecule has an expanded octet, and you are not expected to be familiar with the specific electron geometry and molecular geometry for expanded octets. Still, we can make some predictions with the knowledge that we have.
Would you predict the electron geometry and molecular geometry for SF6 to be the same or to differ? Please briefly explain your answer.
A chemical reaction produces formaldehyde, with a chemical formula of CH2O. Carbon is in Group 4A, oxygen is in Group 6A, and hydrogen is in Group 1A on the periodic table. In one to two sentences, can you describe the bonds in a molecule of formaldehyde in terms of valence electrons?
Chapter 12 Solutions
Introductory Chemistry: An Active Learning Approach
Ch. 12 - Write the electronic configuration for the ions of...Ch. 12 - A monoatomic ion with a charge of 1 has an...Ch. 12 - Identify by symbol two positively charged...Ch. 12 - Considering only ions with charges of 1+,2+,1, and...Ch. 12 - Write the symbols of two ions that are...Ch. 12 - Considering only ions with charges of 1+,2+,1, and...Ch. 12 - Prob. 7ECh. 12 - Prob. 8ECh. 12 - When potassium and chlorine react and form an...Ch. 12 - Fill in the blanks with the smallest integers...
Ch. 12 - Prob. 11ECh. 12 - Prob. 12ECh. 12 - Prob. 13ECh. 12 - Prob. 14ECh. 12 - Prob. 15ECh. 12 - Prob. 16ECh. 12 - Prob. 17ECh. 12 - Prob. 18ECh. 12 - Prob. 19ECh. 12 - Prob. 20ECh. 12 - Prob. 21ECh. 12 - Consider the following bonds: GeSe, BrSe, BrGe....Ch. 12 - Prob. 23ECh. 12 - Consider the following bonds: TeSe, OTe, OSe....Ch. 12 - Prob. 25ECh. 12 - Prob. 26ECh. 12 - Prob. 27ECh. 12 - Prob. 28ECh. 12 - Prob. 29ECh. 12 - What is the maximum number of atoms to which a...Ch. 12 - Prob. 31ECh. 12 - Prob. 32ECh. 12 - Prob. 33ECh. 12 - Prob. 34ECh. 12 - Prob. 35ECh. 12 - Prob. 36ECh. 12 - Prob. 37ECh. 12 - Prob. 38ECh. 12 - Prob. 39ECh. 12 - Prob. 40ECh. 12 - Prob. 41ECh. 12 - Prob. 42ECh. 12 - Prob. 43ECh. 12 - Prob. 44ECh. 12 - Prob. 45ECh. 12 - Prob. 46ECh. 12 - Prob. 47ECh. 12 - Prob. 48ECh. 12 - Which orbitals of each atom overlap in forming a...Ch. 12 - Prob. 50ECh. 12 - Prob. 51ECh. 12 - A monatomic ion with a 2 charge has the electron...Ch. 12 - Prob. 53ECh. 12 - Prob. 54ECh. 12 - Prob. 55ECh. 12 - Prob. 56ECh. 12 - Prob. 57ECh. 12 - Prob. 58ECh. 12 - Prob. 59ECh. 12 - Prob. 60ECh. 12 - Prob. 61ECh. 12 - Which ions among the following are isoelectronic...Ch. 12 - Prob. 12.2TCCh. 12 - Prob. 12.3TCCh. 12 - Prob. 12.4TCCh. 12 - Prob. 12.5TCCh. 12 - Prob. 1CLECh. 12 - Prob. 2CLECh. 12 - Prob. 3CLECh. 12 - Prob. 4CLECh. 12 - Prob. 5CLECh. 12 - Prob. 6CLECh. 12 - Write the electron configurations for the oxide...Ch. 12 - Arrange the following bonds in order of decreasing...
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- Selenium tetrafluoride, SeF₄, is a colorless liquid that is used as a fluorinating reagent in organic synthesis. Based on your Lewis structure for SeF₄, how many electron domains are on the central atom?arrow_forwardUse the electron configurations of SO− and SO+ to predict which is likely to have the shorter bond length.arrow_forwardA chemical reaction produces formaldehyde, with a chemical formula of CH2O. How can i explain the bonds in a molecule of formaldehyde in terms of valence electronsarrow_forward
- According to Huckel theory, what is the difference in total energy between the anion (C6H6) and the dication (C6H6)2+ of Benzene? In your work, explicitly state which orbitals are occupied in case of the anion and the dictation and what the total energy of each of the two ions is. The total energy difference is defined as AE = Eanion Ea dication· O 2a – 23 O 3a + B O a + B O 2a + 28 3a - Barrow_forwardTwo important diatomic molecules for the welfare of humanity are NO and N2 : the former is both a pol lutant and a neurotransmitter. and the latter is the ultimate source of the nitrogen of proteins and other biomolecules. Use the electron configurations of NO and N2 to predict which is likely to havethe shorter bond length.arrow_forwardwhen atoms each contributes an unmatched electron to the same orbital, they form what type of bond.arrow_forward
- The ionization energy of CO is greater than that of NO. Explain this difference based on the electron configurations of these two molecules.arrow_forwardUse the electron configurations of NO− and NO+ to predict which is likely to have the shorter bond length.arrow_forwardDraw the Lewis structure for acetamide (CH3CONH2), an organic compound, and determine the geometry about each interior atom. Experiments show that the geometry about the nitrogen atom in acetamide is nearly planar. What resonance structure can account for the planar geometry about the nitrogen atom?arrow_forward
- What aspect of the following Lewis structure indicates that the concept of coordinate covalency is needed to explain the bonding in the molecule?arrow_forwardIn each of the following molecules, a central atom is surrounded by a total of three atoms or unshared electron pairs: SnCl2, BCl3, SO2. In which of these molecules would you expect the bond angle to be less than 120? Explain your reasoning.arrow_forwardhe relative ability of an atom in a molecule to attract electrons to itself is called the atom’s .arrow_forward
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