1 Chemistry: The Central Science 2 Atoms, Molecules, And Ions 3 Stoichiometry: Ratios Of Combination 4 Reactions In Aqueous Solutions 5 Thermochemistry 6 Quantum Theory And The Electronic Structure Of Atoms 7 Electron Configuration And The Periodic Table 8 Chemical Bonding I: Basic Concepts 9 Chemical Bonding Ii: Molecular Geometry And Bonding Theories 10 Gases 11 Intermolecular Forces And The Physical Properties Of Liquids And Solids 12 Modern Materials 13 Physical Properties Of Solutions 14 Chemical Kinetics 15 Chemical Equilibrium 16 Acids And Bases 17 Acid-base Equilibria And Solubility Equilibria 18 Entropy, Free Energy, And Equilibrium 19 Electrochemistry 20 Nuclear Chemistry 21 Environmental Chemistry 22 Coordination Chemistry 23 Metallurgy And The Chemistry Of Metals 24 Nonmetallic Elements And Their Compounds 25 Organic Chemistry expand_more
8.1 Sample Problem And Checkpoint 8.2 Sample Problem And Checkpoint 8.3 Sample Problem 8.4 Sample Problem And Checkpoint 8.5 Sample Problem And Checkpoint 8.6 Sample Problem And Checkpoint 8.7 Sample Problem And Checkpoint 8.8 Sample Problem And Checkpoint 8.9 Sample Problem And Checkpoint 8.10 Sample Problem 8.11 Sample Problem 8.12 Sample Problem 8.13 Sample Problem Chapter Questions expand_more
Problem 1KSP: 8.1
Which of the following atoms must always obey the octet rule? (Select all that... Problem 2KSP Problem 3KSP Problem 4KSP Problem 1QP: What is a Lewis dot symbol? What elements do we generally represent with Lewis symbols? Problem 2QP: Use the second member of each group from Group 1A to Group 7A to show that the number of valence... Problem 3QP Problem 4QP: 8.4 Write Lewis dot symbols for the following ions:
Problem 5QP: Write Lewis dot symbols for the following atoms and ions: ( a ) I, ( b ) I - , ( c ) S, ( d ) S 2- ,... Problem 6QP Problem 7QP Problem 8QP: Name five metals and five nonmetals that are very likely to form ionic compounds. Write formulas for... Problem 9QP Problem 10QP Problem 11QP Problem 12QP: The term molar mass was introduced in Chapter 3. Molar mass is numerically equivalent to molecular... Problem 13QP Problem 14QP Problem 15QP Problem 16QP: Explain how the lattice energy of an ionic compound such as KCl can be determined using the... Problem 17QP Problem 18QP Problem 19QP: 8.19 Use the Born-Haber cycle outlined in Section 8.2 for NaCl to calculate the lattice energy of... Problem 20QP: Calculate the lattice energy of CaCl 2 . Use data from Figures 7.8 and 7.10 and Appendix 2. (The... Problem 21QP: An ionic bond is formed between a cation A + and an anion B - Based on Coulomb's law E α Q 1 × Q 2 d... Problem 22QP Problem 23QP: Use Lewis dot symbols to show the transfer of electrons between the following atoms to form cations... Problem 24QP: Write the Lewis dot symbols of the reactants and products in the following reactions. (First balance... Problem 25QP: 8.25 Describe Lewis’s contribution to our understanding of the covalent bond.
Problem 26QP Problem 27QP Problem 28QP Problem 29QP Problem 30QP Problem 31QP Problem 32QP Problem 33QP Problem 34QP: Define electronegativity, and explain the difference between electronegativity and electron... Problem 35QP Problem 36QP Problem 37QP Problem 38QP: Using information in Table 8.5. calculate the percent ionic character of the bond in HBr . Problem 39QP: List the following bonds in order of increasing ionic character: cesium to fluorine, chlorine to... Problem 40QP: Classify the following bonds as covalent, polar covalent, or ionic, and explain: ( a ) CC bond in H... Problem 41QP: 8.41 Classify the following bonds as covalent, polar covalent, or ionic, and explain: (a) the bond... Problem 42QP: 8.42 List the following bonds in order of increasing ionic character: the lithium-to-fluorine bond... Problem 43QP Problem 44QP Problem 45QP Problem 46QP Problem 47QP: Draw Lewis structures for the following molecules and ions: ( a ) OF 2 , ( b ) N 2 F 2 , ( c ) Si 2... Problem 48QP: Draw Lewis structures for the following molecules: (a) ICl, ( b ) PH 3 , ( c ) P 4 (each P is bonded... Problem 49QP Problem 50QP Problem 51QP: 8.51 Draw Lewis structures for the following ions: (a) , (b) (C) (d) . Show formal charges.
Problem 52QP: Draw Lewis structures for the following ions: (a) O 2 2 − , (d) C 2 2 − ,(C) NO + , (d) NH 4 + .... Problem 53QP Problem 54QP Problem 55QP Problem 56QP Problem 57QP Problem 58QP: 8.58 Draw three resonance structures for the chlorate ion (). Show formal charges.
Problem 59QP Problem 60QP Problem 61QP: Draw three reasonable resonance structures for the OCN - ion. Show formal charges and rank the... Problem 62QP: Draw three resonance structures for the molecule N 2 O in which the atoms are arranged in the order... Problem 63QP Problem 64QP Problem 65QP Problem 66QP Problem 67QP Problem 68QP Problem 69QP Problem 70QP: The AlI 3 molecule has an incomplete octet around Al. Draw three resonance structures of the... Problem 71QP Problem 72QP Problem 73QP: 8.73 Write a Lewis structure for Does this molecule obey the octet rule?
Problem 74QP Problem 75QP Problem 76QP: 8.76 Draw two resonance structures for the bromate ion one that obeys the octet rule and one in... Problem 77QP Problem 78QP: What is bond enthalpy? Bond enthalpies of polyatomic molecules are average values, whereas those of... Problem 79QP Problem 80QP Problem 81QP Problem 82QP Problem 83QP: For the reaction 2 C 2 H 6 ( g ) + 7 O 2 ( g ) → 4 CO 2 ( g ) + 6 H 2 O ( g ) (a) Predict the... Problem 84QP Problem 85QP: 8.85. Use average bond enthalpies from Table 8.6 to estimate for the following reaction.
Problem 86AP Problem 87AP Problem 88AP Problem 89AP Problem 90AP Problem 91AP: 8.91 Describe some characteristics of an ionic compound such as KF that would distinguish it from a... Problem 92AP Problem 93AP Problem 94AP Problem 95AP Problem 96AP Problem 97AP Problem 98AP Problem 99AP Problem 100AP Problem 101AP Problem 102AP Problem 103AP Problem 104AP Problem 105AP: Which of the following species are isoelectronic: NH 4 + , C 6 H 6 ,CO,CH 4 ,N 2 ,B 3 N 3 H 6 ? Problem 106AP Problem 107QP: 8.107 Draw two resonance structures for each species—one that obeys the octet rule, and one in which... Problem 108QP: The following species have been detected in interstellar space: ( a ) CH, ( b ) OH, ( c ) C 2 , ( d... Problem 109QP: The amide ion ( NH 2 − ) is a Brø�nsted base. Use Lewis structures to represent the reaction between... Problem 110QP Problem 111QP: The triiodide ion ( I 3 − ) in which the I atoms are arranged in a straight line is stable, but the... Problem 112AP Problem 113AP: In 1999, an unusual cation containing only nitrogen ( N 5 + ) was prepared. Draw three resonance... Problem 114AP Problem 115AP Problem 116AP Problem 117AP: In the gas phase, aluminum chloride exists as a dimer (a unit of two) with the formula Al 2 Cl 6 .... Problem 118AP Problem 119AP: Calculate Δ H º for the reaction H 2 ( g ) + I 2 ( g ) → 2 HI ( g ) Using (a) Equation 8.4 and (b)... Problem 120AP: Draw Lewis structures for the following organic molecules: (a) methanol (CH 3 OH) ; (b) ethanol ( CH... Problem 121AP Problem 122AP Problem 123AP Problem 124AP: Write three resonance structures for (a) the cyanate ion ( NCO - ) and (b) the isocyanate ion ( NCO... Problem 125AP Problem 126AP Problem 127AP Problem 128AP Problem 129AP Problem 130AP Problem 131AP Problem 132AP: Among the common inhaled anesthetics are: Halothane ( CF 3 CHClBr ) Isoflurane (CF 3 CHClOCHF 2 )... Problem 133QP Problem 134QP Problem 135QP Problem 136QP: 8.136 Using this and data from Appendix 2, Figures 7.8 and 7.10, and Practice Problem 8.3B,... Problem 137QP Problem 138AP Problem 139AP Problem 140AP Problem 141AP Problem 142AP Problem 143AP Problem 144AP: Although nitrogen dioxide ( NO 2 ) is a stable compound, there is a tendency for two such molecules... Problem 145AP: 8.145 The chlorine nitrate molecule is believed to be involved in the destruction of ozone in the... Problem 146AP: The hydroxyl radical ( OH ) plays an important role in atmospheric chemistry. It is highly reactive... Problem 147AP Problem 148AP Problem 1SEPP Problem 2SEPP: 2. Use formal charges to choose the best of the resonance structures... Problem 3SEPP Problem 4SEPP format_list_bulleted