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7.13 Figure 7-2 depicts the interactions of an ion with its first nearest neighbors, second nearest neighbors, and third nearest neighbors in a lattice, (a) Would the interactions with the fourth nearest neighbors be attractive or repulsive? (b) Based on Coulomb's law, how would the relative sizes of the terms compare if the potential energy were expressed as
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- 11)Explain the given ionization energy for each pair using electron configurations. (12(Be)l1(B), I1(N)>l1(O) ).arrow_forwardThe ionization energy of lithium is 520.2 kJ/mole, and the electron affinity of hydrogen is 72.8 kJ/mole.(a) Find the separation distance in LiH at which the Coulomb potential energy equals the energy cost of removing an electron from Li and adding it to H.(b) The measured electric dipole moment of the molecule LiH is 2.00 × 10^−29 C · m. What is the fractional ionic character of LiH?(c) Instead of removing an electron from Li and attaching it to H, we could regard the formation of LiH as occurring by removing an electron from H and attaching it to Li (electron affinity = 59.6 kJ/mole). Why don’t we consider this as the formation process?arrow_forwardWithout consulting any tables, arrange the following sub- stances in order and explain your choice of order: (a) Mg²+, Ar, Br¯, Ca²* in order of increasing radius (b) Na, Na*, O, Ne in order of increasing ionization energy (c) H, F, Al, O in order of increasing electronegativityarrow_forward
- 5. Which of the following alkali metal halides has the larger lattice energy, and which has the smaller lattice energy? Explain. (a) (b)arrow_forward2. Which one of each of the following pairs has the higher ionization energy? Explain in detail for each case. (a) Na or K (b) Ве or B (с) В or C (d) N or O F or Ne (f) Mg or Mg* Ne or Naarrow_forwardWrite the electron configurations for the following ions, anddetermine which have noble-gas configurations: (a) Co2+ ,(b) Sn2+ , (c) Zr4+ , (d) Ag+, (e) S2- .arrow_forward
- Some chemical reactions proceed by the in it ial loss or transfer of an electron to a diatomic species. Which of the molecules N2, NO. O2, C2, F2, and CN would you expect to be stabil ized by (a) the addit ion of an electron to form AB-. (b) the removal of an electron to form AB+?arrow_forwardMixing SbCl3 and GaCl3 in a 1:1 molar ratio using liquid sulfur dioxide as a solvent gives a solidionic compound with the empirical formula GaSbCl6. A controversy arose over whether this compoundis [SbCl2]+[GaCl4]− or [GaCl2]+[SbCl4]−.(a) Predict the molecular structure of the two anions from the two choices using VSEPR theory.(b) It is learned that the cation in the compound has a bent structure. Based on this fact, whichformulation is the correct one?arrow_forwardConsider the setup below. 20cm 10cm 1µC -1µC 1µC 1. Which direction will the negative charge in the center be pushed. [Choose one]. (a) The middle charge will experience a force to the left. (b) The middle charge will experience a force to the right. (c) The middle charge won't experience a force either way.arrow_forward
- Item 5 Answer the following questions related to the chemical bonding in substances containing Cl. (a) What type of chemical bond is present in the Cl2 molecule? (b) Cl2 reacts with the element Sr to form an ionic compound. Based on periodic properties, identify a molecule, X2, that is likely to react with Sr in a way similar to how Cl2 reacts with Sr. Justify your choice. (c) A graph of potential energy versus internuclear distance for two Cl atoms is given below. On the same graph, carefully sketch a curve that corresponds to potential energy versus internuclear distance for two Br atoms. (d) In the box below, draw a complete Lewis electron-dot diagram for the C2Cl4 molecule. (e) Answer the following based on the diagram you drew above. (i) What is the hybridization of the CC atoms in C2Cl4? (ii) What is the approximate chlorine-carbon-chlorine bond angle in C2Cl4? (iii) Is the C2Cl4 molecule…arrow_forwardIdentify the atoms that correspond to each of the following electron configurations. Then, write the Lewis symbol for the common ion formed from each atom: (a) 1s 22s 22p 5 (b) 1s 22s 22p 63s 2 (c) 1s 22s 22p 63s 23p 64s 23d 10arrow_forward7. Which of the following has the smallest ionic radius? (А) рз- (В) к1* (C) Sc3+ (D) Ararrow_forward
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