Concept explainers
Draw Lewis structures for the following polyatomic ions:
a.
b.
c.
Want to see the full answer?
Check out a sample textbook solutionChapter 4 Solutions
Chemistry for Today: General, Organic, and Biochemistry
Additional Science Textbook Solutions
General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
Elementary Principles of Chemical Processes, Binder Ready Version
Introductory Chemistry (5th Edition) (Standalone Book)
Living By Chemistry: First Edition Textbook
Introduction to Chemistry
Principles of Chemistry: A Molecular Approach (3rd Edition)
- Think of forming an ionic compound as three steps (this is a simplification, as with all models): (I) removing an electron from the metal; (2) adding an electron to the nonmetal; and (3) allowing the metal cation and nonmetal anion to come together. a. What is the sign of the energy change for each of these three processes? b. In general, what is the sign of the sum of the first two processes? Use examples to support your answer. c. What must be the sign of the sum of the three process d. Given your answer to part c, why do ionic bonds occur? e. Given your above explanations, why is NaCl stable but not Na2Cl? NaCl2? What about MgO compared to MgO2? Mg2O?arrow_forwardWrite Lewis structures that obey the octet rule (duet rule for H) for each of the following molecules. a. H2CO b. CO2 c. HCN Carbon is the central atom in all of these molecules.arrow_forwardWrite the Lewis symbols for each of the following ions: (a) As3 (b) I (c) Be2+ (d) O2 (e) Ga3+ (f) Li+ (g) N3arrow_forward
- Draw Lewis structures for the following molecules or polyatomic ions. a. SO3 b. SO32arrow_forwardMethanol, H3COH, is used as the fuel in some race cars. Ethanol, C2H5OH, is used extensively as motor fuel in Brazil. Both methanol and ethanol produce CO2 and H2O when they burn. Write the chemical equations for these combustion reactions using Lewis structures instead of chemical formulas.arrow_forwardWhen drawing a Lewis structure for a covalent compound, you need to know the total number of valence electrons for the compound. How many valence electrons are there for Cl2CO? A) 17 B) 24 C) 28 D) 32arrow_forward
- How are ionic bonds and covalent bonds different? Why is F2 a nonpolar molecule, but H2O is a polar molecule? How do you name a positive ion? How do you name a negative ion? How do you name an ionic compound?arrow_forwardWhy is sodium iodide an ionic bond? CLEAR PHOTOarrow_forwardWhich pair of elements has maximum electronegativity difference? (a) Li and F (c) Na and Br (b) Na and F (d) Na and Clarrow_forward
- Part 1: Nomenclature What are covalent compounds (molecules)? Give two examples of covalent compounds and their formula. What are binary ionic compounds (formula units)? Give two examples of binary ionic compounds and their formula What is the difference between naming of cations with variable charge and compounds with fixed charge? Give two examples of each and their formula What are polyatomic ions? Give two examples of polyatomic ions and their formula Give two examples of compounds containing polyatomic ions and their formula Give an example of names of binary acids (not containing a polyatomic ion) in aqueous solution and its formula. Give an example of an oxyacid (containing a polyatomic ion) inn aqueous solution and its formula. Part 2: Structure, Shape and polarity Draw the Lewis structure of PH3 draw the electronic geometry and name the geometry (hint: very similar to NH3) draw the molecular geometry and name the…arrow_forwardBeCl2 has an incomplete octet around the beryllium atom.Draw the Lewis structure of BeCl2.arrow_forwardDoes a cation gain protons to form a positive charge or does it lose electrons? Iron(III) sulfate [Fe2(SO4)3] is composed of Fe3+ and SO2−4SO42− ions. Explain why a sample of iron(III) sulfate is uncharged.arrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
- Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax