following materials: 2. Cao (b) MnS (c) KBr (d) CsBr b. Justify your selections. Table 1: Ionic Radii for Several Cations and Anions Ionic Radias (nm) Jonic Radias (am) Cation Anion AP Br 0.196 0.136 a 0.181 0.100 0.133 0.170 0.220 Fe 0.077 0.140 Fe 0.069 0.184 K' 0.138 Mg 0.072 0.067 Na 0.102 0.069 0.040 0.061

following materials: 2. Cao (b) MnS (c) KBr (d) CsBr b. Justify your selections. Table 1: Ionic Radii for Several Cations and Anions Ionic Radias (nm) Jonic Radias (am) Cation Anion AP Br 0.196 0.136 a 0.181 0.100 0.133 0.170 0.220 Fe 0.077 0.140 Fe 0.069 0.184 K' 0.138 Mg 0.072 0.067 Na 0.102 0.069 0.040 0.061

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 107AP

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3. On the basis of ionic charge and ionic radii given in Table 1, predict crystal structures for the following materials: ( a. CaO (b) MnS (c) KBr (d) CsBr b. Justify your selections. Table 1: Ionic Radii for Several Cations and Anions Ionic Radius (am) Ionic Cation Radius (nm) Anion 0.053 Br 0.196 Ba?+ Ca?+ 0.136 0.181 0.100 F 0.133 Cs* 0.170 0.220 Fe2+ 0.077 0.140 Fe 0.069 0.184 K* 0.138 Mg Mn2* 0.072 0.067 Na* 0.102 Ni+ 0.069 Sit+ 0.040 0.061
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