Concept explainers
(a)
Interpretation: The molecular structure of the given molecules is to be determined.
Concept introduction: The molecular structure is the representation of the molecule that defines the exact position of the atom in a molecule.
To determine: The molecular structure of
(b)
Interpretation: The molecular structure of the given molecules is to be determined.
Concept introduction: The molecular structure is the representation of the molecule that defines the exact position of the atom in a molecule.
To determine: The molecular structure of
(c)
Interpretation: The molecular structure of the given molecules is to be determined.
Concept introduction: The molecular structure is the representation of the molecule that defines the exact position of the atom in a molecule.
To determine: The molecular structure of
(d)
Interpretation: The molecular structure of the given molecules is to be determined.
Concept introduction: The molecular structure is the representation of the molecule that defines the exact position of the atom in a molecule.
To determine: The molecular structure of
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Chapter 20 Solutions
Study Guide for Zumdahl/Zumdahl/DeCoste’s Chemistry, 10th Edition
- Consider the element Work (Wr) with an atomic number of 33 and an atomic mass of 81.03 g/mol. The following information was collected for this element Molecule/ Ion Names Wr-2 Workide WrO3-2 Workate WrO2-2 Workite WrO-3 hydroworkite a. Draw the Lewis structure of the molecule Workous acid and determine its electron geometry and molecular geometry. b.What is the mass % of work in Calcium hydroworkite.arrow_forward28. Estimate the enthalpy (change in energy) of reaction for 2 SO(g) + O2(g) →2 SO2(g) using bond energies. Assume that sulfur in SO2 (g) has an expanded octet. -> Bond Energy (kJ/mol) 498 265 a. 498 kJ/mol c. -498 kJ/mol bь. 731 kJ/mol d. -32KJ/molarrow_forwardThese form ionic compounds with large lattice energies. A. Small ions with small charges B. Small ions with large charges C. Large ions with large charges D. Large ions with small chargesarrow_forward
- 81. Using the VSEPR theory, predict the molecular structure of each of the following molecules a. NCI3 b. H2Se c. SiCl4arrow_forward2. Identify the true statement. a. Polar covalent compounds result from a complete transfer of at least one electron. b. Sodium is unlikely to form a bond with lithium. c. Covalent compounds exist in large lattices. d. The smallest unit of an ionic compound is a molecule. 3. A piece of zinc metal is placed in an aqueous solution of magnesium sulfate. The products of this reaction are a. ZnMg(s) + SO4(aq) b. Mg(s) + ZnSO4(aq) c. MgS(s) + ZnO4(aq) d. ZnO(s) + MgSO4(aq) e. There will be no reaction. 4. The shape of the NC13 molecule is a. linear b. trigonal planar c. tetrahedral d. trigonal pyramidal e. V-shaped Imi 5. Which of the following would have the highest boiling point? a. NH3 b. PH3 c. AsH3 d. They would all have approximately the same boiling point. 20 6. Aqueous solutions of silver nitrate and sodium sulfate are mixed. The products of the reaction are a. Ag2SO4(aq) + 2 NaNO3(aq) b. AgSO4(s) + Na2(NO3)2(aq) c. Ag2SO4(s) + 2 NaNO3(aq) d. AgSO4(aq) + Na2(NO3 e. There will be no…arrow_forwardWhat type of bond is found in the Lewis structure of nitrogen gas, Cl2?A. single covalent bond B. double covalent bond C. triple covalent bond D. All of the abovearrow_forward
- 1. Which of the following is a good conductor of electricity? A. Cu 2. What will happen if two difference atoms combine chemically? A. They will form new substance. B. They will become stable. C. Chemical bonds form. В. А1 С. Ag D. All of the above D. All of the above. 3. Which of the following is a covalent compound? A. H2O 4. What type of substance has the property of nonconductor of electricity? В. К C. Cu D. NaCl A. Molecular B: Ionic C. Mętallic D. None of the above . 5. What kind of bond exist in NaCl? A. Metallic B. Ionic C. Covalent D. Moleculararrow_forwardWhich physical change is endothermic? O A. CO2(t) - CO2(s) O B. CO2(g) - CO2(s) O C. CO2(s) – CO2(g) O D. CO2(g) - CO2(t)arrow_forwardM 16 16 16 16 TTTTT 10 Chemical bond that forms between nonmetal atom and a metalloid atom. A. Ionic bond B. Covalent bond 11 Which element is the best conductor of electricity? A. Copper B. Gold C. Silver A. Tensile strength B. Malleability 12 Metals can be stretched or spun into thin wire. What is this property called? C. Conductivity D. Ductility A. Tensile strength B. Malleability C. Metallic bond D. Hydrogen bond Metals can be flattened and shaped by pounding or molding. What is this property 13 called? A. Flammability B. Silvery color 14 Which is NOT a property of most transition metals? A. Hydrogen B. Boron C. Conductivity D. Ductility A. Hydrogen B. Boron Which element's atoms will not form an octet, but will be stable in a covalent 15 compound with six valence electrons. D. Lead C. High density D. High melting point temperature C. Lithium D. Nitrogen Which element's atoms will not form an octet, but will be stable in a covalent 16 compound with two valence electrons. A. 4…arrow_forward
- Consider these compounds: A. Ag2SO3 B. MnS C. Mg(OH)2 D. FeCO3 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that cobalt(II) carbonate is more soluble than cobalt(II) carbonate is less soluble than It is not possible to determine whether cobalt(II) carbonate is more or less soluble than comparing Ksp values. I and by simplyarrow_forwardWhich of the following describes the means of electrical conduction of Zn and ZNSO4? A. Both Zn and ZNSO4 conduct electricity in the solid state. O B. Zn conducts electricity because of the metal atoms floating in a sea of electrons. O C. ZnSO4 conducts electricity when it dissociates into the ions Zn2* and SO42. O D. All of the Choicesarrow_forwardConsider these compounds: A. BaSO4 . B. PbCrO4 C. Cr(OH)3 D. Ag3PO4 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that silver bromide is more soluble than bromide is less soluble than It is not possible to determine whether silver bromide is more or less soluble than [ Submit Answer Retry Entire Group 9 more group attempts remaining and silver by simply comparing Kp values.arrow_forward
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