Chapter 7: Q73E (page 400)
Question: Complete the following Lewis structure by adding bonds (not atoms), and then indicate the longest bond:

Short Answer
The Lewis Structure with longest \({\rm{C - C}}\) bond is as follows 鈥

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Chapter 7: Q73E (page 400)
Question: Complete the following Lewis structure by adding bonds (not atoms), and then indicate the longest bond:

The Lewis Structure with longest \({\rm{C - C}}\) bond is as follows 鈥

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Which compound in each of the following pairs has the larger lattice energy? Note: \({\rm{M}}{{\rm{g}}^{{\rm{2 + }}}}\) and \({\rm{L}}{{\rm{i}}^{\rm{ + }}}\) have similar radii; \({{\rm{O}}^{{\rm{2 - }}}}\) and \({{\rm{F}}^{\rm{ - }}}\) have similar radii. Explain your choices.
(a) \({\rm{MgO}}\) or \({\rm{MgSe}}\)
(b) \({\rm{LiF}}\) or \({\rm{MgO}}\)
(c) \({\rm{L}}{{\rm{i}}_{\rm{2}}}{\rm{O}}\) or \({\rm{LiCl}}\)
(d) \({\rm{L}}{{\rm{i}}_{\rm{2}}}{\rm{Se}}\) or \({\rm{MgO}}\)
Question: Calculate the formal charge of each element in the following compounds and ions:
(a) \({{\rm{F}}_{\rm{2}}}{\rm{CO}}\)
(b) \({\rm{N}}{{\rm{O}}^{\rm{ - }}}\)
(c) \({\rm{BF}}_{\rm{4}}^{\rm{ - }}\)
(d) \({\rm{SnCl}}_{\rm{3}}^{\rm{ - }}\)
(e) \({{\rm{H}}_{\rm{2}}}{\rm{CC}}{{\rm{H}}_{\rm{2}}}\)
(f) \({\rm{Cl}}{{\rm{F}}_{\rm{3}}}\)
(g) \({\rm{Se}}{{\rm{F}}_{\rm{6}}}\)
(h) \({\rm{PO}}_{\rm{4}}^{{\rm{3 - }}}\)
Which compound in each of the following pairs has the larger lattice energy? Note: \({\rm{B}}{{\rm{a}}^{{\rm{2 + }}}}\) and \({{\rm{K}}^{\rm{ + }}}\) have similar radii; \({{\rm{S}}^{{\rm{2 - }}}}\) and \({\rm{C}}{{\rm{l}}^{\rm{ - }}}\) have similar radii. Explain your choices.
(a) \({{\rm{K}}_{\rm{2}}}{\rm{O}}\) or \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
(b) \({{\rm{K}}_{\rm{2}}}{\rm{S}}\) or \({\rm{BaS}}\)
(c) \({\rm{KCl}}\) or \({\rm{BaS}}\)
(d) \({\rm{BaS}}\) or \({\rm{BaC}}{{\rm{l}}_{\rm{2}}}\)
Use the Molecule Shape simulator (http://openstaxcollege.org/l/16MolecShape) to explore real molecules. On the Real Molecules tab, select H2O. Switch between the 鈥渞eal鈥 and 鈥渕odel鈥 modes. Explain the difference observed.
Draw the Lewis structures and predict the shape of each compound or ion:
(a) \({\rm{C}}{{\rm{O}}_{\rm{2}}}\)
(b) \({\rm{NO}}_{\rm{2}}^{\rm{ - }}\)
(c) \({\rm{S}}{{\rm{O}}_{\rm{3}}}\)
(d) \({\rm{S}}{{\rm{O}}_{\rm{3}}}^{{\rm{2 - }}}\)
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