Be sure to answer all parts. The American chemist Robert S. Mulliken suggested a different definition for the electronegativity (EN) of an element, given by IE, kJ/mol kJ/mol EA Element IE, + EA EN = 1314 141 2 F 1680 328 where IE, is the first ionization energy and EA is the electron affinity of CI 1256 349 the element. Calculate the electronegativities of O, F, and Cl using the preceding equation and the data in the table. EN(O) = kJ/mol EN(F) = kJ/mol EN(CI) = kJ/mol Determine the electronegativities of these elements on the Mulliken and Pauling scales. (To convert to the Pauling scale, divide each EN value by 230 kJ/mol.) Mulliken EN(F) Mulliken EN(CI) Mulliken EN(0) Pauling scale = Pauling scale = Pauling scale = (Pauling EN(CI) = 3.0) %3D (Pauling EN(O) = 3.5) (Pauling EN(F) = 4.0)

Be sure to answer all parts. The American chemist Robert S. Mulliken suggested a different definition for the electronegativity (EN) of an element, given by IE, kJ/mol kJ/mol EA Element IE, + EA EN = 1314 141 2 F 1680 328 where IE, is the first ionization energy and EA is the electron affinity of CI 1256 349 the element. Calculate the electronegativities of O, F, and Cl using the preceding equation and the data in the table. EN(O) = kJ/mol EN(F) = kJ/mol EN(CI) = kJ/mol Determine the electronegativities of these elements on the Mulliken and Pauling scales. (To convert to the Pauling scale, divide each EN value by 230 kJ/mol.) Mulliken EN(F) Mulliken EN(CI) Mulliken EN(0) Pauling scale = Pauling scale = Pauling scale = (Pauling EN(CI) = 3.0) %3D (Pauling EN(O) = 3.5) (Pauling EN(F) = 4.0)

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter3: Atomic Shells And Classical Models Of Chemical Bonding

Section: Chapter Questions

Problem 86AP

See similar textbooks

Similar questions

Without using Fig. 3-4, predict which bond in each of the following groups will be the most polar. a. CH, SiH, SnH b. AlBr, GaBr, InBr, TIBr c. CO or SiO d. OF or OCl
7.84 Which of the following molecules is least likely to actually exist OF4,SF4,SeF4 , or TeF4 ? Why?
Which of the following bonds are polar? Which is the more electronegative atom in cach polar bond? (a) B-F (b) Cl-CI (c) Se-O (d) H–I Arrange the bonds in cach of the following sets in order of inereasing polarity: (a) C-F, O–F, Be-F; (b) 0-CI, S-Br, C-P; (c) C-S, B–F, N-0.
Construct a Born–Haber cycle for the formation of the hypotheticalcompound NaCl2, where the sodium ion has a 2+charge (the second ionization energy for sodium is given inTable 7.2). (a) How large would the lattice energy need to befor the formation of NaCl2 to be exothermic? (b) If we wereto estimate the lattice energy of NaCl2 to be roughly equalto that of MgCl2 (2326 kJ/mol from Table 8.1), what valuewould you obtain for the standard enthalpy of formation,ΔHf°, of NaCl2?
(a) Does the lattice energy of an ionic solid increase or decrease(i) as the charges of the ions increase, (ii) as the sizes of the ionsincrease? (b) Arrange the following substances not listed inTable 8.1 according to their expected lattice energies, listing themfrom lowest lattice energy to the highest: MgS, KI, GaN, LiBr.
Consider an ionic compound, MX,, composed of generic metal M and generic, gaseous halogen X. • The enthalpy of formation of MX, is AH; = -909 kJ/mol. | • The enthalpy of sublimation of M is AHsu sub 143 kJ/mol. • The first and second ionization energies of M are IE1 = 759 kJ/mol and IE2 1407 kJ/mol. • The electron affinity of X is AHEA = -339 kJ/mol. (Refer to the hint). • The bond energy of X, is BE = 177 kJ/mol. Determine the lattice energy of MX,. ΔΗattice kJ/mol * TOOLS x10
Aluminum oxide (Al₂ O₃) is a widely used industrial abrasive(emery, corundum), for which the specific application depends onthe hardness of the crystal. What does this hardness imply about the magnitude of the lattice energy? Would you have predictedfrom the chemical formula that Al₂ O₃ is hard? Explain.
Given the following data, calculate the lattice energy of barium chloride, BaCl. IE 1BA= 502.7 kJ mol, IE 2Ba = 965.0 kJ mol, AHsub (Ba) =175.6 kJ moľ, EA = 349.0 kJ mol, BDE (CI - CI) = 243.4 kJ mol, AH(BaCl) = -858.6 kJ mol
Determine the second ionization energy of calcium (in kJ mol-1) from the given data (all in kJ mol-1): AH°[CaCl,(s)] = -796 AH¡[Ca(g)] = 178 AH°[CI(g)] = 122 First ionization energy of Ca(g) = 590 Electron affinity of Cl(g) = -349 Lattice enthalpy of CaCl,(s) = -2260 А 1150 В 1235 C 1093 D 1210
IFAlpQLScakc2oiU1j3vsokCjqyudKH4ybxoMKBEeKDXwavuseJlGpDg/viewform?hr_subm irect contaminatio... Which of the following correctly lists the elements in order of increasing electronegativity? *lowest -> highest.** Lead, Cesium, Radon Radon, Cesium, Lead Cesium, Lead, Radon
Use principles of atomic structure to answer each of the following: (1] (a) The radius of the Ca atom is 197 pm; the radius of the Ca2* ion is 99 pm. Account for the difference. (b) The lattice energy of CaO(s) is –3460 kJ/mol; the lattice energy of K20 is –2240 kJ/mol. Account for the difference. (c) Given these ionization values, explain the difference between Ca and K with regard to their first and second ionization energies. Element First lonization Energy (kJ/mol) Second lonization Energy (kJ/mol) K 419 3050 Ca 590 1140 (d) The first ionization energy of Mg is 738 kJ/mol and that of Al is 578 kJ/mol. Account for this difference.