1 Essential Ideas 2 Atoms, Molecules, And Ions 3 Electronic Structure And Periodic Properties Of Elements 4 Chemical Bonding And Molecular Geometry 5 Advanced Theories Of Bonding 6 Composition Of Substances And Solutions 7 Stoichiometry Of Chemical Reactions 8 Gases 9 Thermochemistry 10 Liquids And Solids 11 Solutions And Colloids 12 Thermodynamics 13 Fundamental Equilibrium Concepts 14 Acid-base Equilibria 15 Equilibria Of Other Reaction Classes 16 Electrochemistry 17 Kinetics 18 Representative Metals, Metalloids, And Nonmetals 19 Transition Metals And Coordination Chemistry 20 Nuclear Chemistry 21 Organic Chemistry expand_more
Chapter Questions expand_more
Problem 1E: Does a cation gain protons to form a positive charge or does it lose electrons? Problem 2E: Iron(III) sulfate [Fe2( SO 4)3] is composed of Fe3+ and SO42 ions. Explain why a sample of iron(III)... Problem 3E: Which of the following atoms would be expected to form negative ions in binary ionic compounds and... Problem 4E: Which of the following atoms would be expected to form negative ions in binary ionic compounds and... Problem 5E: Predict the charge on the monatomic ions formed from the following atoms in binary ionic compounds:... Problem 6E: Predict the charge on the monatomic ions formed from the following atoms in binary ionic compounds:... Problem 7E: Write the electron configuration for each of the following ions: (a) As3 (b) I (c) Be2+ (d) Cd2+ (e)... Problem 8E: Write the electron configuration for the monatomic ions formed from the following elements (which... Problem 9E: Write out the full electron configuration for each of the following atoms and for the monatomic ion... Problem 10E: From the labels of several commercial products, prepare a list of six ionic compounds in the... Problem 11E: Why is it incorrect to speak of a molecule of solid NaCl? Problem 12E: What information can you use to predict whether a bond between two atoms is covalent or ionic? Problem 13E: Predict which of the following compounds are ionic and which are covalent, based on the location of... Problem 14E: Explain the difference between a nonpolar covalent bond, a polar covalent bond, and an ionic bond. Problem 15E: From its position in the periodic table, determine which atom in each pair is more electronegative:... Problem 16E: From its position in the periodic table, determine which atom in each pair is more electronegative:... Problem 17E: From their positions in the periodic able, arrange the atoms in each of the following series in... Problem 18E: From their positions in the periodic table, arrange the atoms in each of the following series in... Problem 19E: Which atoms can bond to sulfur so as to produce a positive partial charge on the sulfur atom? Problem 20E: Which is the most polar bond? (a) CC (b) CH (c) NH (d) OH (e) Se-H Problem 21E: Identify the more polar bond in each of the following pairs of bonds: (a) HF or HCl (b) NO or CO... Problem 22E: Which of the following molecules or ions contain polar bonds? (a) O3 (b) S8 (c) O22 (d) NO3 (e) CO2... Problem 23E: Name the following compounds: (a) CsCl (b) BaO (c) K2S (d) BeCl2 (e) HBr (f) AlF3 Problem 24E: Name of the following compounds: (a) NaF (b) Rb2O (c) BCl3 (d) H2Se (e) P4O6 (f) ICl3 Problem 25E: Write the formulas of the following compounds: (a) rubidium bromide (b) magnesium selenide (c)... Problem 26E: Write the formulas of the following compounds: (a) lithium carbonate (b) sodium perchlorate (c)... Problem 27E: Write the formulas of the following compounds: (a) chlorine dioxide (b) dinitrogen tetraoxide (c)... Problem 28E: Write the formulas of the following compounds: (a) barium chloride (b) magnesium nitride (c) sulfur... Problem 29E: Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name... Problem 30E: Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name... Problem 31E: The following ionic compounds are found in common household products. Write the formulas for each... Problem 32E: The following ionic compounds are found in common household products. Name each of the compounds:... Problem 33E: What are the IUPAC names of the following compounds? (a) manganesedioxide (b)... Problem 34E: Write the Lewis symbols for each of the following ions: (a) As3 (b) I (c) Be2+ (d) O2 (e) Ga3+ (f)... Problem 35E: Many monatomic ions are found in seawater, including the ions formed from the following list of... Problem 36E: Write the Lewis symbols of the ions in each of the following ionic compounds and the Lewis symbols... Problem 37E: Iii (he Lewis structures listed here, M and X represent various elements iii the third period of the... Problem 38E: Write the Lewis structure for the diatomic molecule P2, an unstable form of phosphorus found in high... Problem 39E: Write Lewis structures for the following: (a) H2 (b) HBr (c) PCl3 (d) SF2 (e) H2CCH2 (f) HNNH (g)... Problem 40E: Write Lewis structures for the following: (a) O2 (b) H2CO (c) AsF3 (d) ClNO (e) SiCl4 (f) H3O+ (g)... Problem 41E: Write Lewis structures for the following: (a) ClF3 (b) PCl5 (c) BF3 (d) PF6 Problem 42E: Write Lewis structures for the following: (a) SeF6 (b) XeF4 (c) SeCl3+ Problem 43E: Write Lewis structures for: (a) PO43 (b) ICl4 (c) SO32 (d) HONO Problem 44E: Correct the following statement: The bonds in solid PbCl2 are ionic; the bond in a HCl molecule is... Problem 45E: Write Lewis structures for the following molecules or ions: (a) SbH3 (b) XeF2 (c) Se8 (a cyclic... Problem 46E: Methanol, H3COH, is used as the fuel in some race cars. Ethanol, C2H5OH, is used extensively as... Problem 47E: Many planets in our solar system contain organic chemicals including methane (CH4) and traces of... Problem 48E: Carbon tetrachloride was formerly used in fire extinguishers for electrical fires. It is no longer... Problem 49E: Identify the atoms that correspond to each of the following electron configurations. Then, write the... Problem 50E: The arrangement of atoms in several biologically important molecules is given here. Complete the... Problem 51E: A compound with a molar mass of about 28 g/mol contains 85.7% carbon and 14.3% hydrogen by mass.... Problem 52E: A compound with a molar mass of about 42 g/mol contains 85.7% carbon and 14.3% hydrogen by mass.... Problem 53E: Two arrangements of atoms are possible for a compound with a molar mass of about 45 g/mol that... Problem 54E: How are single, double, and triple bonds similar? How do they differ? Problem 55E: Write resonance forms that describe the distribution of electrons in each of these molecules or... Problem 56E: Write resonance forms that describe the distribution of electrons in each of these molecules or... Problem 57E: Write the resonance forms of ozone, Q3, the component of the upper atmosphere that protects the... Problem 58E: Sodium nitrite, which has been used to preserve bacon and other meats, is an ionic compound. Write... Problem 59E: In terms of the bonds present, explain why acetic acid, CH3CO2H, contains two distinct types of... Problem 60E: Write the Lewis structures for the following, and include resonance structures where appropriate.... Problem 61E: Toothpastes containing sodium hydrogen carbonate (sodium bicarbonate) and hydrogen peroxide are... Problem 62E: Determine the formal charge of each element in the following: (a) HCl (b) CF4 (c) PCl3 (d) PF5 Problem 63E: Determine the formal charge of each element in the following: (a) H3O+ (b) SO42 (c) NH3 (d) O22 (e)... Problem 64E: Calculate the formal charge of chlorine in the molecules Cl2, BeCl2, and ClF5. Problem 65E: 54. Calculate the formal charge of each element in the following compounds and ions: (a) F2CO (b) NO... Problem 66E: Draw all possible resonance structures for each of these compounds. Determine the formal charge on... Problem 67E: Based on formal charge considerations, which of the following would likely be the correct... Problem 68E: Based on formal charge considerations, which of the following would likely be the correct... Problem 69E: Based on formal charge considerations, which of the following would likely be the correct... Problem 70E: Draw the structure of hydroxylamine, H3NO, and assign formal charges; look up the structure. Is the... Problem 71E: Iodine forms a series of fluorides (listed here). Write Lewis structures for each of the four... Problem 72E: Write the Lewis structure and chemical formula of the compound with a molar mass of about 70 g/mol... Problem 73E: Which of the following structures would we expect for nitrous acid? Determine the formal charges: Problem 74E: Sulfuric acid is the industrial chemical produced in greatest quantity worldwide. About 90 billion... Problem 75E: Explain why the HOH molecule is bent, whereas the HBeH molecule is linear. Problem 76E: What feature of a Lewis structure can be used to tell if a molecule’s (or ion’s) electron-pair... Problem 77E: Explain the difference between electron-pair geometry and molecular structure. Problem 78E: Why is the HNH angle in NH3 smaller than the HCH bond angle in CH4? Why is the HNH angle in NH4+... Problem 79E: Explain how a molecule that contains polar bonds can be nonpolar. Problem 80E: As a general rule, MX molecules (where M represents a central atom and X represents terminal atoms;... Problem 81E: Predict the electron pair geometry and the molecular structure of each of the following molecules or... Problem 82E: Identify the electron pair geometry and the molecular structure of each of the following molecules... Problem 83E: What are the electron-pair geometry and the molecular structure of each of the following molecules... Problem 84E: Predict the electron pair geometry and the molecular structure of each of the following ions: (a)... Problem 85E: Identify the electron pair geometry and the molecular structure of each of the following molecules:... Problem 86E: Predict the electron pair geometry and the molecular structure of each of the following: (a) IOF5 (I... Problem 87E: Which of the following molecules and ions contain polar bonds? Which of these molecules and ions... Problem 88E: Which of these molecules and ions contain polar bonds? Which of these molecules and ions have dipole... Problem 89E: Which of the following molecules have dipole moments? (a) CS2 (b) SeS2 (c) CCl2F2 (d) PCl3 (P is the... Problem 90E: Identify the molecules with a dipole moment: (a) SF4 (b) CF4 (c) Cl2CCBr2 (d) CH3Cl (e) H2CO Problem 91E: The molecule XF3 has a dipole moment. Is X boron or phosphorus? Problem 92E: The molecule XCl2 has a dipole moment. Is X beryllium or sulfur? Problem 93E: Is the Cl2BBCl2 molecule polar or nonpolar? Problem 94E: There are three possible structures for PCl2F3 with phosphorus as the central atom. Draw them and... Problem 95E: Describe the molecular structure around the indicated atom or atoms: (a) the sulfur atom in sulfuric... Problem 96E: Draw the Lewis structures and predict the shape of each compound or ion: (a) CO2 (b) NO2 (c) SO3... Problem 97E: A molecule with the formula AB2, in which A and B represent different atoms, could have one of three... Problem 98E: A molecule with the formula AB3, in which A and B represent different atoms, could have one of three... Problem 99E: Draw the Lewis electron dot structures for these molecules, including resonance structures where... Problem 100E: What is the molecular structure of the stable form of FNO2? (N is the central atom.) Problem 101E: A compound with a molar mass of about 42 g/mol contains 85.7% carbon and 14.3% hydrogen. What is its... Problem 102E: Use the simulation (http://openstaxcollege.org/l/16MolecPolarity) to perform the following exercises... Problem 103E: Use the simulation (http://openstaxcollege.org/l/16MolecPolarity) to perform the following exercises... Problem 104E: Use the Molecule Shape simulator (http://openstaxcollege.org/I/6MolecShape) to build a molecule.... Problem 105E: Use the Molecule Shape simulator (http://openstaxcollege.org/l/16MolecShape) to explore real... Problem 106E: Use the Molecule Shape simulator (http://openstaxcollege.org/l/16MolecShape) to explore real... format_list_bulleted