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- For each of the following pairs of atoms or ions, state which you expect to have the larger radius. (a) Na or K (b) Cs or Cs+ (c) Rb+ or Kr (d) K or Ca (e) Cl or ArWithout consulting any tables, arrange the following substances 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 electronegativityDetermine the second ionization energy of calcium (in kJ mol−1) from the given data (all in kJ mol−1):ΔHf°[CaCl2(s)] = −796ΔHf°[Ca(g)] = 178ΔHf°[Cl(g)] = 122First ionization energy of Ca(g) = 590Electron affinity of Cl(g) = −349Lattice enthalpy of CaCl2(s) = −2260 a)1150 b)1235 c) 1093 d) 1210
- With what neutral molecule ClO–is isoelectronic?Write the full electron configuration of the ion oxide, O2- You can indicate superscript through the ^ symbol (e.g. 3s2 could be written as 3s^2) or use the superscript text formatting tool above.estion 15 of 19 > earning Write the full electron configuration for S²-
- To ionize Mg to Mg2+ costs two times as much energy as to form Mg+. The formation of O2- is endothermic rather than exothermic as for O-. Nevertheless, magnesium oxide is always formulated as Mg2+ O2- rather than Mg+O-a) Give theoretical reason for formulation of Mg2+O2-b) What simple experiment could be done to predict that magnesium oxide wasnot Mg+O- ?The experimental Bi¬I bond length in bismuth triiodide,BiI3, is 2.81 Å. Based on this value and data in Figure 7.7, predictthe atomic radius of Bi.Which atom has the largest first ionization energy? - Ga - As - N - B Which ion has the largest radius? - O2- - Na+ - Mg2+ - F-
- Rank the following in order of increasingradius:(a) O²⁻, F⁻, Na⁺(b) S²⁻, P³⁻, Cl⁻I need help with this question that is attached. Table 1.4 gave the ionic radii in pm. For k+ it was 138(6), 151(8),159(10) and for f- it was 128(2), 132(4), 133(6). Table 1. 5 gave ionization energies in kj/mol. For k they were 419, 3051 and 4410. For f it was 1681,3375, and 6050. Table 1.6 gave electron affinities in kj/mol and for k it was 48 and for f it was 328. I've also attached the resource table18 - for Cl, Cl + and Cl- ions;Cl- is the largest number of electronsII. Stripping electrons from the Cl + ion is most difficultIII. Neutral Cl atom and Cl- ions have equal radiiWhich of his judgments are correct? A) Only IIIB) I, IIC) I, IIID) I onlyE) I, II, III