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- A stable triatomic molecule can be formed that contains one atom each of nitrogen, sulfur, and fluorine. Three bonding structures are possible, depending on which is the central atom: NSF, SNF, and SFN. (a) Write a Lewis diagram for each of these molecules, indicating the formal charge on each atom. (b) Often, the structure with the least separation of formal charge is the most stable. Is this statement consistent with the observed structure for this molecule—namely, NSF, which has a central sulfur atom? (c) Does consideration of the electronegativities of N, S, and F from Figure 3.18 help rationalize this observed structure? Explain.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?What are the formal charges on the sulfur (S), carbon (C), and nitrogen (N) atoms, respectively, in the "best" or most realistic Lewis structure shown below? The possible Lewis structures for the thiocyanate ion, SCN, are S=c=N] $-c=Ñ]' [:s=C-N;T Structure A Structure B Structure C Express your answers as integers separated by commas. • View Available Hint(s) formal charge on sulfur (S), carbon (C) and nitrogen (N) atoms = Submit
- Write resonance forms that describe the distribution of electrons in each of these molecules or ions. (a) sulfur dioxide, SO2 (b) carbonate ion, CO3²- (c) hydrogen carbonate ion, HCO3- (C is bonded to an OH group and two O atoms) (d) pyridine: H. H. (e) the allyl ion: H H H H-C-C-c-HIncomplete Lewis structures for the nitrous acid molecule,HNO2, and the nitrite ion, NO2-, are shown here. (a) Completeeach Lewis structure by adding electron pairs as needed.(b) Is the formal charge on N the same or different in thesetwo species? (c) Would either HNO2 or NO2- be expected toexhibit resonance? (d) Would you expect the N“O bond inHNO2 to be longer, shorter, or the same length as the N¬Obonds in NO2-? [Sections 8.5 and 8.6]and lonization X FAlpQLScakc2oiU1j3vSokCjqyudKH4ybxoMKBEeKDXwavuseJIGpDg/viewform?hr_suba contaminatio.. Which of the following correctly lists the elements in order of increasing electronegativity? *lowest -> highest.* Nitrogen, Arsenic, Antimony Arsenic, Antimony, Nitrogen Antimony, Arsenic, Nitrogen
- Part A The Lewis structure for the chlorate ion is Calculate the formal charge on the chlorine (CI) atom. Express your answer as an integer. • View Available Hint(s) formal charge on Cl = Submit Part B Calculate the formal charge on each of the oxygen (O) atoms labeled a, b, and e in the following Lewis structure. :O: Express your answers as integers separated by commas. View Available Hint(s) formal charge on 0,, O, O, = SubmitDraw 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?Draw the Lewis structures for each of the following moleculesor ions. Identify instances where the octet rule is notobeyed; state which atom in each compound does not followthe octet rule; and state how many electrons surround theseatoms: (a) NO, (b) BF3, (c) ICl2-, (d) OPBr3 (the P is the centralatom), (e) XeF4.
- The Lewis representation above depicts a reaction between a halogen (blue) and a main-group element from group (7A + (red). In this representation, each Y atom needs 1 electron(s) to complete its octet, and gains these electrons by forming bond(s) with atoms of X . There are unshared electron pair(s) and bonding electron pair(s) in the product molecule. The bonds in the product are Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical SupportThe Lewis structure for the chlorate ion is :0: Calculate the formal charge on the chlorine (Cl ) atom. Express your answer as an integer. • View Available Hint(s) formal charge on Cl = Submit Part B Calculate the formal charge on each of the oxygen (O) atoms labeled a, b, and c in the following Lewis structure. :0: Express your answers as integers separated by commas. • View Available Hint(s) formal charge on Oa , Ob , Oc = Submit ormal charges to predict the most stable structure he interactive activity shows how to calculate the formal charge of atoms in a structure. These formal charges can be used to predict the resonance structure that contributes most to the stability of a molecule or ion. The struc enerally the most stable. Part C What are the formal charges on the sulfur (S), carbon (C ), and nitrogen (N ) atoms, respectively, in the resonance structure that contributes most to the stability of the thiocyanate ion, SCN¯ ? The possible resonance structures for the thiocyanate…lectronegativity ools Add-ons Help Last edit was yesterday at 7:12 AM BIUA 回ロ,=-三 oxt 4. Russo One 30 Electronegativity Back ground The bonds butwoan atoms can be of diffarant songths Same atams bond vary ighty and an difficult to bruak. Ohars are wa ak and can be sap aratod aaily. Alhaugh theG are many lactoms that affact tha strangh of bands, and of the most important is the difloranco in the alameres ductonegativity Ins truc tons For this assignmont, use the information bulow to detarmina the strangth of the band banwaan the twa elamants 21 Decreasing Be N 10 1 20 4.0 17 Diffarence Botween Strength of bond 12 Mg 12 20 16 13 Al 14 15 Elactronegativit ies Na 19 1.7 and greater Extremety Strong 21 Ca 22 Sc 23 24 25 Or Mn 26 26 28 Cu Ti Fe Co 19 45 Ni Ga 16 Ge NO 1.5 1.5 0.9 to 1.09 15 43 Rlu Duans 37 38 39 40 46 Pd 41 42 44 50 47 Ag 53 Ro Mo 0.4 to 0.89 Weak Te 21 25 0.8 12 57 56 La 10 14 16 10 22 22 22 72 HE 0.0 to .039 56 Cs 0.7 73 74 Extremety Weak 75 Fe Os 78 81 A 1.1 1.3 1.5 17 19…
