Chemistry Exam Modules 4-6 Questions And Answers 2024

For the halogens, as you go down the group, the reactivity __________ a. decreases b. increases c. varies unpredictably d. stays about the same - Correct Answer a. decreases Which one of the following elements is most likely to have the following series of ionization IE1= 801 IE2= 2427 IE3= 3660 IE4= 25030 IE5= 32830 a. B b. Be c. C d. O e. Li - Correct Answer a. B Coulomb's Equation is useful in explaining trends in a. electron affinities b. ion sizes c. atomic size d. all of these e. ionization energies - Correct Answer d. all of these The lines on the diagram above represent the average valence energy level of the atoms. In our energy well model, this means that the lines also represent the average distance of the valence electrons from the nucleus. Which atom below would have the largest atomic radius? a. 2 b. 5 c. 4 d. 1 e. 3 - Correct Answer a. 2 Ionic bonds are a. strong, directional attractions between ions b. strong, directional attractions between atoms c. strong, non-directional attractions between ions d. strong, non-directional attractions between atoms - Correct Answer c. strong, non-directional attractions between ions Select the compound expected to have the largest lattice energy