Chem 10, Section:Exercise Date:Name:Lab Partner:Lewis Structures and Molecular Shapes1. H₂STotal # of Valence Electrons:3-D Model SketchLewis Structure (show all resonance structures if applicable)Molecular Shape:Molecular Polarity:Any polar bonds in the molecule? Yes No2. COCI₂Total # of Valence Electrons:3-D Model SketchLewis Structure (show all resonance structures if applicable)Molecular Shape:Molecular Polarity:Any polar bonds in the molecule? Yes No3. Sil4 - use a black ball for silicon when constructing this modelTotal # of Valence Electrons:3-D Model SketchLewis Structure (show all resonance structures if applicable)Molecular Shape:Molecular Polarity:Any polar bonds the molecule? Yes No4. HCNTotal # of Valence Electrons:3-D Model SketchLewis Structure (show all resonance structures if applicable)Molecular Shape:Molecular Polarity:Any polar bonds in the molecule? Yes NoPolarPolarPolarPolarBond AnglesNon-PolarNon-Bond AnglesNon-PolarBond AngleslarBond AnglesNon-PolarPage 1 of 4

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1. H₂S Total # of Valence Electrons: Lewis Structure (show all resonance structures if applicable) Any polar bonds in the molecule? Yes No 3-D Model Sketch Molecular Shape: Molecular Polarity: Polar Bond Angles Non-Polar

1. H₂S Total # of Valence Electrons: Lewis Structure (show all resonance structures if applicable) Any polar bonds in the molecule? Yes No 3-D Model Sketch Molecular Shape: Molecular Polarity: Polar Bond Angles Non-Polar

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter1: Bond Angles And Shape

Section: Chapter Questions

Problem 7CTQ

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5. NO₂-¹ Total # of Valence Electrons: Lewis Structure (show all resonance structures if applicable) 3-D Model Sketch Any polar bonds in the molecule? Yes No Molecular Shape: Molecular Polarity: Any polar bonds in the molecule? Yes No 6. H30*¹ — use a yellow ball for oxygen (not red) when constructing this model Total # of Valence Electrons: 3-D Model Sketch Lewis Structure (show all resonance structures if applicable) Molecular Shape: Molecular Polarity: Polar Polar Bond Angles Non-Polar Bond Angles Non-Polar
Student Merced College - Login to Orn Molecular Geometry Lab 4 X W GOB_4803_ ets & Slides chrome-extension/bpmcpldpdmajfigpchkicefoigmkfalc/views/app.html eometry.docx BIU A - A - PRE-LAB QUESTIONS Describe the difference between valence and core electrons. What is the octet rule, and which elements obey the octet rule? How does VSEPR affect the shape of molecules? What effect does the presence of lone-pair electrons have on the bond angles in a molecule?
Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule proposed Lewis structure OF 2 BeH₂ PF4 || :O: H - Be H F - P F W ... :F: :F: Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. O No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: O Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: O No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: O Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as…
9. Molecule: SF6 indicate the number of available electrons that are ae = in the molecule. in the space to the right connect all of the atoms Trial Structure: to the central atom and then make each atom follow the octet rule (duet rule for hydrogen). How many electrons are necessary in the trial structure? ne = Circle the correct ne = ae ne ae relationship between ne and ae. Draw the corrected Lewis Structure to the right. Add Later: e- geometry: molecular geom: Hybridization:
13. Which of the following Lewis structures are valid? A) i only :Z: i. :Z: N=N B) ii only ii. H-O-H H iii only + D) i and iii F : F- F: H E) ii and iii
Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule BF 3 BeH, SF. proposed Lewis structure : F H :F: B - F: - Be S :F: .. - - H Is this a reasonable structure? If not, why not? Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 Yes, it's a reasonable structure. No, the total number of valence electrons is wrong. The correct number is: No, some atoms have the wrong number of electrons around them. The symbols of the problem atoms are: 0 * If two or more atoms have the wrong number of valence electrons around them, just enter the chemical symbol for the atom as many times as…
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 Cop
ll X b My Questions | bartleby Login | bartleby 101 Chem101 ぐ app.101edu.co Question 1 Draw a resonance structure that shifts a pi bond to a new position. Don't increase the number of atoms with formal charges. Include all hydrogen atoms in your structure. H. Atoms, Bonds an Drawing CHa :CHs: %3. 3D CH2 CH2 MacBook 0:0 3D 3D
- Word Search (Alt+Q) Review View Help E- EEE AaBbCcDd AaBbCcDd AABBCC AaBbCcD 1 Normal T No Spac... Heading 1 Heading 2 Styles Paragraph Draw the best Lewis structures for CNS_and include formal charges on atoms with non-zero values. Concisely identify at least four steps of the procedure for drawing the Lewis structures. Draw the best Lewis structures for CNS and IFs (iodine pentafluoride) ald include formal charges on atoms with non-zero values. Concisely identify at least four steps of the procedure for drawing the Lewis structures. go 21
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
a) For the three Lewis structures shown below, determine the formal charge of each of the three atoms (S, C, and N). Structure 1 Structure 3 Atom S Q Z EC- -N: Structure 1 .. Structure 1 Structure 2 Structure 3 : S Structure 2 EN: Structure 2 Structure 3 -N b) Which of the three structures listed above is the best Lewis structure for this molecule?