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- O ELECTRONIC STRUCTURE AND CHEMICA... Deciding whether a Lewis... Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure [O=C-H]* :0: : CIC CI: [¤¤-6: 0/5 Is the proposed Lewis structure reasonable? Yes. No, it has the wrong number of valence electrons. The correct number is: 0 No, it has the right number of valence electrons but doesn't satisfy the octet rule. 000 The symbols of the problem atoms are:* Yes. No, it has the wrong number of valence electrons. The correct number is: 0 Alia V No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* Yes. No, it has the wrong number of valence electrons. The correct number is: No, it has the right number of valence electrons but doesn't satisfy the octet rule. The symbols of the problem atoms are:* X Ar If two or more atoms of the same element don't satisfy the octet rule, just enter the chemical symbol as many times as necessary. For example,…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?vo/index.html?deploymentld%35575082893 288909969212&elSBN=9781305657571&snapshotld%3D2199898&id%3D1... NDTAP Q Search this cour Use the References to access important values if needed for this question. Draw (on paper) a Lewis structure for SF2 and answer the following questions based on your drawing. Do not draw double bonds unless they are needed for the central atom to obey the octet rule. 1. For the central sulfur atom: the number of lone pairs the number of single bonds the number of double bonds = Numeric input field 2. The central sulfur atom A. obeys the octet rule. B. has an incomplete octet. C. has an expanded octet. Submit Answer 5 question attempts remaining
- O Unit 3d - Polarity O Unit 3c - Molecular Geometry O Unit 3b - Lewis Structures O Unit 3a - Molecules s3.net/mod/quiz/attempt.php?attempt=31808328&cmid3D26593598&page=7 The following two Lewis structures may be drawn for a certain ion with a charge of -1. First, show the formal charge on each atom of each ion, then choose which structure is preferred. :C=N=ö: The formal charge on C is 2 + The formal charge on N is +1 + The formal charge on O is o + . EN-C=0: The formal charge on N is -2 : The formal charge on C is 0 : The formal charge on O is +1 : The preferred structure is the bottom + one.Draw all possible resonance structures for SO2, S0,, and SO. Use the resonance structures to solve the problems below. (a) Arrange these species in order of increasing S-O bond length (shortest bond first). O SO O SO O SO2 O SO2 O so;²- O SO O So3? O SO2 (b) Match each species with the number of covalent bonds predicted by Lewis structures to exist between an S atom and an O atom bonded to this S atom. (Hint: Average the number of bonds between S and an attached oxygen atom in a particular position using all of your resonance structures for the species that you are working on.) SO: -Select-v bonds between S and 0. -Select--- v bonds between S and O. SO2: Select-v bonds between S and O. (c) Match each species with the correct formal charge on the central S atom. SO: Select- charge on S. SO2: Select--v charge on S. SO32:-Select-vcharge on S. (d) Match each species with the average formal charge on an outside oxygen atom predicted by Lewis structures. so: -Select-vaverage charge on…Q2-a) Compare and contrast metallic and covalent primary bonds and give one example in each bond. b) What type of bonding does KCI have? Fully explain your reasoning by referring to the electronic structure and electronic properties of each element.
- A resonance hybrid is a structure that can be depicted by more than one valid Lewis structure. part1: Draw the major resonance form of fulminic acid, HCNO, with the atoms connected as indicated in the formula. Your structure should have nonzero formal charges minimized, and it should include all nonzero formal charges and all nonbonding electrons. part2: Draw the second most important resonance form of fulminic acid, HCNO, with the atoms connected as indicated in the formula. Your structure should have nonzero formal charges minimized, and it should include all nonzero formal charges and all nonbonding electrons.O 14-C O Quiz: O 17-Pc PE JPG to M Inbox 14-C O Calen 13-Cc On a O 16-M New Tab com /courses/2126119/files/171672875?module_item_id=55281625 377 > Files > 15-Lewis Structures.pdf 15-Lewis Structures.pdf Download 15-Lewis Structures.pdf (88.1 KB) Draw a valid Lewis structure for each compound, using the given arrangement of atoms. (May need multiple bonds) 1. HCN N 2. CH,0 H H. 99+ 58°F CopA resonance hybrid is a structure that can be depicted by more than one valid Lewis structure. part1: Draw the major resonance form of fulminic acid, HCNO, with the atoms connected as indicated in the formula. Your structure should have nonzero formal charges minimized, and it should include all nonzero formal charges and all nonbonding electrons. part2: Draw the second most important resonance form of fulminic acid, HCNO, with the atoms connected as indicated in the formula. Your structure should have nonzero formal charges minimized, and it should include all nonzero formal charges and all nonbonding electrons. part3: Draw the least important resonance contributor for fulminic acid, HCNO, with the atoms connected as indicated in the formula. Your structure should have nonzero formal charges minimized and should include all nonzero formal charges and all nonbonding electrons.
- 2. each atom if it has. Show all steps (NHSB). Draw the Lewis structures for the following molecules. Indicate the formal charge on (a) N,²- (b) SO3 olda ad ni d Two molecules may both be correctly described as "bent" even though one has a bond angle of 118° and the other has a bond angle of 105°. How is this possible?1. Write Lewis symbols for the following atoms. (1pt each) (a) Kr (b) Ge (c) N (d) Ga (e) As (f) Rb 2. Write plausible Lewis structures for the following molecules that contain only single covalent bonds. (2 pts each) (а) FCI (b) I2 (c) SF2 (d) NF3 (е) Н-Те 3. By means of Lewis structures, represent bonding between the following pairs of elements (Your structures should show whether the bonding is essentially ionic or covalent): (2 pts each) (a) Cs and Br (b) H and Sb (c) B and Cl (d) Cs and Cl (e) Li and O (f) Cl and I 4. Assign formal charges to each of the atoms in the following structures. (3 pts each) (a) [H–C=C:]¯ (c) [CH3–CH-CH3]* (b) |2– :0: :0: 5. What is the formal charge of the indicated atom in each of the following structures? (2 pts each) (a) the central O atom in 03 (b) Al in AIH4- (c) Cl in Cl03 (d) Si in SiF62- (e) Cl in CIF3 6. Arrange the following elements in the order of decreasing electronegativity: fluorine, bromine, lithium, francium, silicon. (1 pt each per…dimensional structure of each molecule. Refer to the steps for drawing Lewis structures, the molecular geometry guide, the polarity flow chart and the attractive forces chart in the modules in the Unit 3 course documents to help you complete the chart. Molecular Total # of valence Formula electrons Ex: NCI3 CO₂ BF3 (exception to octet rule) H₂O N: 5 e Cl: 7e x 3 = 21 Total = 26 e Lewis Structure :d-N-a: 1 :cl: # of Electron Groups 4 28 Electron Geometry Bond Angle tetrahedral. 109.5 * # Bonds / # Lone Pairs 3/1 3 Molecular Geometry trigonal pyramidal Polar or Nonpolar polar ||| Attractive Force dipole- dipole O <
