Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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- Draw two resonance structures of POCI 3. Assign formal charges and circle the best resonance structure. Also identify the atom that has an extended octet by pointing an arrow to the atom.arrow_forward1. Considering ionic compounds, a) What type of elements tend to form cations and why? b) What type of elements tend to form anions and why? c) What is the formula for aluminum oxide? Describe or show what happened to the valence electrons of each atom to make the compound. 2. Considering molecules and covalent bonding, a) Draw the Lewis structure of SO2 that obeys the octet rule. (Draw this out on paper, take a photo, and embed this image into the document you will submit). b) Label on your structure which electrons are bonding and which are nonbonding. c) What is the molecular shape of this molecule? d) Look up the electronegativities of these two elements in Figure 4.5 of the text. Would you expect this molecule to be polar or nonpolar? Why? 3. What is molecular recognition, how is it used to create medicines and materials, and why is it advantageous to use this in the manufacturing new drugs and medicines? 4. Carbon dioxide in the atmosphere has been a topic in the news lately as…arrow_forwardEach pictured Lewis structure is invalid. Identify the error in each case. You are currently in a labeling module. Turn off browse mode or quick nav, Tab to items, Space or Enter to pick up, Tab to move, Space or Enter to drop. Answer Bank octet‑rule violationmulti-use wrong electron totalmulti-usearrow_forward
- proposed Lewis structure Is the proposed Lewis structure reasonable? O Yes. O No, it has the wrong number of valence electrons.. H-C N :F OF: O 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:* O Yes. ☐ O 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:* ☐ O Yes. O No, it has the wrong number of valence electrons. H-CEC-H 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:* ☐arrow_forward1 What is the total number of valence electrons in the Lewis structure of BrO4"? electrons 2 Draw a Lewis structure for BrO4 • Do not include overall ion charges or formal charges in your drawing. • If the species contains oxygen, do not draw double bonds to oxygen unless they are needed in order for the central atom to obey the octet rule. 0- Y **** O. Sn [1 2. Draw Lewis Structures (Octet and Nonoctet): This is group attempt 1 of 5arrow_forwardA skeletal structure for SO₂Cl₂ is shown below. Starting from this structure, complete the Lewis structure that follows the octet rule on all atoms. :O: CL II S: :CI: Click to edit moleculearrow_forward
- Use Lewis theory to determine the chemical formula for the compound formed between Na and I. Use Lewis theory to determine the chemical formula for the compound formed between Na and I. Which one? A-NaI B-Na2I2 C-Na2I D-Na3I E-NaI2arrow_forwardTo draw a Lewis Structure, start with the atomic symbol in the middle, then put dots around the symbol until all of the valence electrons are represented. Try to envision a box around the atom symbol, and the electrons on each side of the box. The valence electrons should be drawn around the element symbol one on each side before pairing the electrons up. The maximum number of electrons that could be on one side of a Lewis Structure is two, and the maximum number of electrons around an element symbol is eight. To figure out how many valence electrons each element has, use the Periodic Table. Remember, the number of valance electrons for Group A elements is equal to the Group A number the element is in on the Periodic Table. Use the data you collected in Table 1 to a draw Lewis structure model to show the formation of any one of the compounds you assembled, then explain the model you drew. Remember, you should be explaining and supporting your answers by referencing and citing the…arrow_forwardDraw the Lewis structure for OSiS before answering the following questions (You do NOT submit a picture just answer the questions). Silicon is the central atom and all atoms obey the octet rule. WARNING: Do NOT USE the internet or other sources to find the structures. Use ONLY the rules taught in class. ALL atoms obey the octet rule Answer the following questions for the Lewis structure for OSiS , given that silicon is the central atom and all atoms obey the octet rule. Give answers as numbers (1,2,3 ...etc.) NOT words (one, two three etc.) How many double bonds exist in this structure How many electrons surround the silicon atom How many lone pairs are around the silicon atom How many lone pairs are around the sulfur atom How many lone pairs are around the oxygen atom How many electrons surround the Sulfur atomarrow_forward
- Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure -C=C:] H-C : 0: 0=0=0 [HO] : O OO Is the proposed Lewis structure reasonable? 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:* 0 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:* П 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:* * 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, if two oxygen atoms don't satisfy the octet rule, enter "O,0".arrow_forwardCounting available electrons and drawing a Lewis structuresarrow_forwarddiagram of a molecule that shows atoms based on their a periodic table symbols. These symbols are surrounded by pairs of dots to show valence electrons that could be lone pairs or bonding pairs?arrow_forward
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