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Author Question: Potassium bromide, KBr, crystallizes like NaCl in a face-centered lattice. The ionic radii of K+ and ... (Read 22 times)

knightj

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on: Nov 5, 2023
Potassium bromide, KBr, crystallizes like NaCl in a face-centered lattice.  The ionic radii of K+ and Br– ions are 133 pm and 195 pm, respectively.  Assuming that all Br– ions are positioned in the face and corners of the unit cell, while the K+ ions are positioned along the edge alternating between anions, calculate the length of a unit cell edge.
◦ 230 pm
◦ 328 pm
◦ 523 pm
◦ 656 pm
◦ 780 pm
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Marked as best answer by knightj on Nov 5, 2023

romyclv

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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knightj

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

amandalm

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Reply 3 on: Yesterday
Gracias!

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