
Living by Chemistry
2nd Edition
ISBN: 9781464142314
Author: Angelica M. Stacy
Publisher: W. H. Freeman
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Transcribed Image Text:Some plant fertilizer compounds are NH,NO3, KPO3, MgO, H3BO3 and FeCls. Which of these compounds contain both ionic and covalent bonds? (Select all that apply.) MgO O KPO3 O FeCl3 OHBO3 O NH4NO3
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Which of the following are molecular compounds? Chose all that apply. Select one or more: a. CO2 b. Fe2S3 c. SO2 d. MgO e. PCl3 f. K2SO4 g. KI h. SF6
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Practice Exercise 1Although it is helpful to know that many ions have the electronarrangement of a noble gas, many elements, especially among themetals, form ions that do not have a noble-gas electron arrangement.Use the periodic table, Figure 2.14, to determine which ofthe following ions has a noble-gas electron arrangement, andwhich do not. For those that do, indicate the noble-gas arrangementthey match: (a) Ti4+, (b) Mn2+, (c) Pb2+, (d) Te2- , (e) Zn2+.
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Which of the following are molecular compounds? Chose all that apply. Select one or more: a. PCl3 b. MgO c. KI d. Fe2S3 e. SO2 f. CO2 g. K2SO4 h. SF6
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1. Which of the following Lewis Structures are correct? Select all that apply. 2. Which of these compounds are polar molecules? Select all that apply.
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Resonance Forms Question (b) Draw two resonance forms for nitrite ion, NO2−. What can yousay about the geometry of this molecule (linear or bent)? (Hint: Consider the effect of electron repulsion exerted by the lone pair on nitrogen.) (c) The possibility of valence-shell expansion increases the number of feasibleresonance forms, and it is often difficult to decide on one that is “best.” Onecriterion that is used is whether the Lewis structure predicts bond lengths andbond angles with reasonable accuracy. Draw Lewis octet and valence-shellexpanded resonance forms for SO2(OSO). Considering the Lewis structure for SO (Exercise 1-8), its experimental bond length of1.48Å, and the measured S–O distance in SO2 of 1.43Å, which one of the various structures would you consider “best”. Explain your answer in depth, clarity and with details and in a step-by-step fashion.
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explain difference between non-polar and polar covalent compound along with example of this type of bond in clear handwritten answer!
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Which of the following has polar bonds, but is not a polar molecule? Select all that apply. Element Electronegativity H 2.1 B 2.0 C 2.5 N 3.0 O 3.5 F 4.0 Si 1.8 P 2.1 S 2.5 Cl 3.0 Se 2.4 Br 2.8 I 3.0 Xe 2.6 -XeF4 -CS2 -NCl3 -IBr2- -SF4
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A) Which of the following bonds are nonpolar? Choose all that apply Choices: O=O double bond C=O double bond C-O single bond C=C double bond C-H single bond N-H single bond O-H single bond H-H single bond B) Which of the following bonds are polar covalent? Choices: N-H single bond C=O double bond C-O single bond C-H single bond C-C single bond N-F single bond S-H single bond O=O double bond Thank you so Much!!
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Predict which of these compounds are ionic and which are covalent. State your reasoning.(a) SF6(b) KBr(c) N2O3(d) BaS(e) CaCO3(f) C6H5Cl
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QUESTION 1 In which of the compounds below is the bonding covalent? Key Concept: An ionic bond exists between two substances where the electronegavity difference is greater than two; a covalent bond exists between two atoms whose electronegativity difference is less than one. Usually, an ionic bond forms between a metal and nonmetal and a covalent bond forms between two nonmetals. A KF B CoO C CCl4 D CuO
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Which of the following Lewis Dot Structures is definitely incorrect? Group of answer choices C A B D E
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Which of the following compounds is likely to have ionic bonds? Select all that apply. CsCl NBr3 OCl2 IF5
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