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Answered: A) Which characteristic do valence…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section: Chapter Questions

Problem 85QRT

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7.13 Figure 7-2 depicts the interactions of an ion with its first nearest neighbors, second nearest neighbors, and third nearest neighbors in a lattice, (a) Would the interactions with the fourth nearest neighbors be attractive or repulsive? (b) Based on Coulomb's law, how would the relative sizes of the terms compare if the potential energy were expressed as V=V1st+V2nd+V3rd+V4th ?
(a) Using the electronegativities of Br and Cl, estimate thepartial charges on the atoms in the Br¬Cl molecule. (b) Usingthese partial charges and the atomic radii given in Figure7.8, estimate the dipole moment of the molecule. (c) Themeasured dipole moment of BrCl is 0.57 D. If you assume thebond length in BrCl is the sum of the atomic radii, what arethe partial charges on the atoms in BrCl using the experimentaldipole moment?
Using Lewis symbols and Lewis structures, diagram the formationof SiCl4 from Si and Cl atoms, showing valence-shellelectrons. (a) How many valence electrons does Si have initially?(b) How many valence electrons does each Cl haveinitially? (c) How many valence electrons surround the Siin the SiCl4 molecule? (d) How many valence electrons surroundeach Cl in the SiCl4 molecule? (e) How many bondingpairs of electrons are in the SiCl4 molecule?
Q1part (a)Draw rosnance structure assign formal charge and and select rosnanace structure to provide best description for ion (1)SeCN (2) HCSO(3)S2CO2 Part(b) draw rosnanace structures for isoelectronic ions NSO and SNO and assin formarl charge which is more likely stable?
“Inert” xenon actually forms several compounds, especially with the highly electronegative elements oxygen and fluorine.The simple fluorides XeF₂, XeF₄, and XeF₆ are all formed by di-rect reaction of the elements. As you might expect from the sizeof the xenon atom, the Xe-F bond is not a strong one. Calcu-late the Xe-F bond energy in XeF₆, given that the heat of for-mation is 402 kJ/mol.
Draw the correc (best) Lewis structure (LS) for the ionic compound K2SeO3 (on looose leaf paper--NOT TO BE SUBMITTED) and then answer the following questions.(NOTE: Use the cardinal numbers 0, 1, 2, 3, and so on for any quantity required)a) What charge does the K ion have in this compound? (give size & sign of charge: e.g., 1+, 2-, etc.) b) What charge does the SeO3 ion have in this compound? (give size & sign of charge: e.g., 1+, 2-, etc.) c) How many lines, if any, attach each K ion to the SeO3 ion? d) How many valence electrons does the SeO3 ion (alone) have? e) How many single bonds does the LS of the SeO3 ion have? f) What is the number of lone electron pairs in the LS of the SeO3 ion?
Q3: (A) Answer the following questions: 1. Give an example of allotropy materials and explain it. 2.State three types of smart materials. 3. What is bonding of NaCl ? List its properties and sketch this bond. 4. Explain Pauli principle.
Determine the magnitude of the positive and negative charges on each atom for the following. OF2: bond angle 103.1 degrees, bond length 1.405 A, dipole moment 0.297 D SF2: bond angle 98.1 degrees, bond length 1.587 A, dipole moment 1.050 D Rationalize your answers above using concepts of electronegativity.
In Lewis theory, we use electron dot formulas and the VSEPR model to determine electron distributionand geometric structure of covalent particles. Two important basic forms are ??5 and ??6 as outlined here: SEE IMAGE. A ) Iodine (?) often forms compounds with other halogens, such as fluorine (?), chlorine (??) and bromine(??). Compare valid Lewis electron structures and VSEPR geometries of the particles: see image Write down the correct VSEPR classification (?????) for each particle and provide a valid geometry
Draw possible Lewis structures and using formal charge determine the best one for [AsSiSe]-. Show FC for ALL structures and then explain why you chose the one that is best.
The partial Lewis structure that follows is for a hydrocarbonmolecule. In the full Lewis structure, each carbon atomsatisfies the octet rule, and there are no unshared electronpairs in the molecule. The carbon—carbon bondsare labeled 1, 2, and 3. (a) How many hydrogen atomsare in the molecule? (b) Rank the carbon–carbonbonds in order of increasing bond length. (c) Whichcarbon—carbon bond is the strongest one?
The molecular ion S3N3 has the cyclic structure All SN bonds are equivalent. (a) Give six equivalent resonance hybrid Lewis diagrams for this molecular ion. (b) Compute the formal charges on all atoms in the molecular ion in each of the six Lewis diagrams. (c) Determine the charge on each atom in the polyatomic ion, assuming that the true distribution of electrons is the average of the six Lewis diagrams arrived at in parts (a) and (b). (d) An advanced calculation suggests that the actual charge resident on each N atom is 0.375 and on each S atom is +0.041 . Show that this result is consistent with the overall +1 charge on the molecular ion.

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A) Which characteristic do valence electrons indicate about reactions between atoms? O electronegativity difference absolute electronegativity bond type bond number uestion 4 7:35 PM P Type here to search (? 2 62°F Mostly clear a 4 10/20/2021 fo insert delete home end pg up pg prt scr