An overlap between two parallel p orbitals is called is O a pi bond O sigma bond O double bond Which of the following would have to gain two electrons in order to achieve a noble gas electron configuration? - Check all that applies- Mg Se Sr

An overlap between two parallel p orbitals is called is O a pi bond O sigma bond O double bond Which of the following would have to gain two electrons in order to achieve a noble gas electron configuration? - Check all that applies- Mg Se Sr

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter10: Molecular Structure And Bonding Theories

Section: Chapter Questions

Problem 10.86QE

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Ozone (O3) has a nonzero dipole moment. In the molecule of O3 , one of the oxygen atoms is directly bonded to the other two, which are not bonded to each other. (a) Based on this information, state which of the following structures are possible for the ozone molecule: symmetric linear, nonsymmetric linear (for example, different OO bond lengths), and bent. (Note: Even an OO bond can have a bond dipole if the two oxygen atoms are bonded to different atoms or if only one of the oxygen atoms is bonded to a third atom.) (b) Use the VSEPR theory to predict which of the structures of part (a) is observed.
Discuss the nature of the bonding in the nitrite ion (NO2) . Draw the possible Lewis resonance diagrams for this ion. Use the VSEPR theory to determine the steric number, the hybridization of the central nitrogen atom, and the geometry of the ion. Show how the use of resonance structures can be avoided by introducing a de-localized MO. What bond order does the MO model predict for the NO bonds in the nitrite ion?
Consider the following flat drawing of methane (CH4) . a. What is HCH bond angle implied by this drawing if you assume it is flat? b. Are the electron domains of this flat CH4 spread out as much as possible? c. Use model materials to make a model of CH4 (methane). If you assembled it correctly, thefour bonds (bonding electron domains) of your model will be 109.5° apart. d. In which representation, the drawing above or the model in your hand (circle one) are theH’s of CH4 more spread out around the central carbon? e. Confirm that your model looks like the following drawing. The wedgebond represents a bond coming out of the page, and the dash bondrepresents a bond going into the page f. You will often see methane drawn as if it were flat (like on the previous page). Why is thismisleading, and what is left to the viewer’s imagination when looking at such a drawing?
Ozone (O3) has a nonzero dipole moment. In the moleculeof O3, one of the oxygen atoms is directly bonded to theother two, which are not bonded to each other.(a) Based on this information, state which of the following structures are possible for the ozone molecule:symmetric linear, nonsymmetric linear (for example,different OUO bond lengths), and bent. (Note: Evenan OUO bond can have a bond dipole if the twooxygen atoms are bonded to different atoms or if onlyone of the oxygen atoms is bonded to a third atom.)(b) Use the VSEPR theory to predict which of the structures of part (a) is observed.
Explain below ? The resonance hybrid is more stable than any resonance structurebecause it delocalizes electron density over a larger volume.
Antibonding molecular orbitals can be used to make bondsto other atoms in a molecule. For example, metal atomscan use appropriate d orbitals to overlap with the p*2p orbitalsof the carbon monoxide molecule. This is calledd@p backbonding. (a) Draw a coordinate axis system inwhich the y-axis is vertical in the plane of the paper andthe x-axis horizontal. Write “M” at the origin to denote ametal atom. (b) Now, on the x-axis to the right of M, drawthe Lewis structure of a CO molecule, with the carbonnearest the M. The CO bond axis should be on the x-axis.(c) Draw the CO p*2p orbital, with phases (see the “CloserLook” box on phases) in the plane of the paper. Two lobesshould be pointing toward M. (d) Now draw the dxy orbitalof M, with phases. Can you see how they will overlap withthe p*2p orbital of CO? (e) What kind of bond is being madewith the orbitals between M and C, s or p ? (f) Predict whatwill happen to the strength of the CO bond in a metal–COcomplex compared to CO alone.
Write simple valence bond wave functions for formationof bonds between C and H atoms. What C-H compounddoes the VB model predict? What geometry does it predictfor the molecules?
www-awu.aleks.com O CHEMICAL BONDING Recognizing typical LCAO molecular orbitals OOD OC Heather V Study the following sketch of a molecular orbital (MO) in a homonuclear diatomic molecule. This MO was formed by combining one 2s atomic orbital from each atom. The dark dots in this sketch are the nuclei. da Now use the sketch to complete the table below. Write the symbol for this MO. O bonding O antibonding Is this a bonding or antibonding MO? On O higher O lower What is the energy of this MO, compared to the energy of a 2s orbital on one of the separate atoms? O the same not enough information to decide Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use Privacy Accessibility
Tlatch chemtcal terminelogy vzittecorrect definitiom is a measure of the tendency of an atom to A EectronegatVIEY attrart electrone BValence electrons Is used to show the bonding beween atome of a CEone nar motecute and the Ione pairs of eloctrons that may exist in the imolecule Bond that farms hetveen izo atoms where the electrons are unoqually distributed causing the molecuile to have a 3light electrieal dioole moment is called DLewis structure ENarpolar bond Bond that formIs between we atoms where the siecttons ate oqually distributed is caltad v Valerice elaconsthat ar notsharec wtaianuther atom are caled hathe Eltons l tha Stiferim
Benzene is commonly regarded as a resonance hybrid ofthe two Kekule structures. but other possible structures canalso contribute. Draw three other structures in which thereare only covalent n bonds (al lowing for bonding betweensome non-adjacent C atoms) and two structures in whichthere is one ionic bond. Why may these structures be ignoredin simple descriptions of the molecule?
O CHEMICAL BONDING Recognizing typical LCAO molecular orbitals Heather V Stua, che following sketch of a molecular orbital (MO) in a homonuclear diatomic molecule. This MO was formed by combining one 3p atomic orbital from each atom. The dark dots in this sketch are the nuclei. do Now use the sketch to complete the table below. Write the symbol for this MO. O bonding O antibonding O higher Is this a bonding or antibonding MO? On O lower What is the energy of this MO, compared to the energy of a 3p orbital on one of the separate atoms? O the same O not enough information to decide Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy| Accessibility
A ALEKS - Daniela Garcia Gonzalez X + www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkasNW8D8A9PVVfeR1Y7GY2KsT3SAA8EqmvAn... O ELECTRONIC STRUCTURE AND CHEMICAL BONDING Daniela Identifying the electron added or removed to form an ion For each atom in the table below, write down the subshell from which an electron would have to be removed to make a +1 cation, and the subshell to which an electron would have to be added to make a -1 anion. The first row has been completed for you. atom subshell from which electron subshell to which electron removed to form +1 cation added to form -1 anion olo H 1s 1s Ar Li Ar Sc Explanation Check © 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility 11:49 PM Type here to search 12/5/2021 18)