7. The five spheres below represent Se, Se²-, O, H, and S, not necessarily in that order. 37 pm 72 pm 100 pm 114 pm 196 pm Which answer correctly orders all five species from smallest to largest? A. O
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- 1. Which one of the following atoms has the largest radius? S, F, Cl, or O 2. Of the following species, __________ has the largest radius. Br-, Ar, Rb+, or Sr2+Directions: O Predict the number of valence electrons and energy levels for Strontium and Selenium. O Explain how you arrived at this conclusion using the patterns discovered from this activity. 1 18 2 1 Не 13 14 16 17 3 4 10 Li Be Ne 11 Na (Mg Write your response below. Strontium: Selenium: e to search 15Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of ionizations by increasing amount of energy required. In other words, for each set choose "1" next to the ionization that would require the least energy, "2" next to the ionization that would require the next least energy, and so on. ionization + Pb → Pb + e He + ► F + e F→>> + - → He + e ? ? energy required ? V ionization + Br Br + e → + Sn Sn +e + He → He + e energy required ✓ ? 1 (least) 2 3 (most)
- Identify the total number of electrons, the number of valence electrons, and the name of the element with each electronic confi guration. a. 1 s22 s22 p63 s2 b. 1 s22 s22 p63 s23 p3 c. 1 s22 s22 p63 s23 p64 s23 d. [Ar]4 s23 d67. Order the following species from smallest to largest size. Ba, Se, Au, Ba2+, Se²-, P A. Se < P < Se²- < Ba < Ba2+ < Au B. Se?- < SeArrange the atoms below in order of decreasing atomic size. Sn, Te, Sr Te > Sn > Sr Sr > Te > Sn Sr > Sn > Te Sn> Sr > Te1. Arrange the following elements in order of increasing ionization energy P, S, Sb and Sr Sb < Sr < P < S P< Sb < S< Sr Sr < Sb < S < P )S < P < Sr < Sb Sr < S < PArrange these atoms and ions in order of increasing radius: S, cr, Ar. O A. s2- < CrOrder the following elements from largest atomic radius to smallest? Group of answer choices Ca > Ga > Se > Kr Kr > Se > Ga > Ca Ga > Ca > Se > Kr Kr > Ca > Ga > SePart A: Which element has the electron configuration 1s2 2s2 2p6 3s1 Li Be Mg Na Part B: Which of these elements is in the S block? Be O Fe Ar Part C: Which of these elements has 6 electrons in its outer shell (6 valence electrons)? B Al Li S Part D: Which of these elements has an electron configuration ending in 3p5? C Br Cl SiUsing the data in the tables and Coulomb's law, calculate the energy change for this reaction (per formula unit of CaS). Ca(g) + S(g) → CaS(g) Ionization energy Atom Mg Ca Electron affinity Atom O S Ionic radius Ion Mg²+ Ca²+ 0²- S²- I₁ (aJ) 1.23 0.980 EA₁ (aJ) -0.234 -0.332 I₂ (aJ) 2.41 1.90 EA₂ (aJ) +1.30 +0.980 Radius (pm) 72 100. 140. 184 ▲Erxn 0.096 Incorrect aJ5. Isoelectronic ions are the species that have the same number of electrons. Part a. What +2 ion is isoelectronic with Na+? What -2 ion? Part b. Which of the following has (have) the same electron configuration as (isoelectronic with) Ar? A. K- B. Ca2+ C. 02- D. CI-SEE MORE QUESTIONSRecommended textbooks for youChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind…ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEYChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind…ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY