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Author Question: A salt, MY, crystallizes in a body-centered cubic structure with a Y anion at each cube corner and ... (Read 69 times)

acc299

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on: Mar 21, 2021

Question 1

A material is made from Al, Ga, and As. The mole fraction of each element is 0.25, 0.26, and 0.49, respectively. This material would be:

◦ a metallic conductor because Al is present.
◦ an insulator.
◦ a p-type semiconductor.
◦ an n-type semiconductor.
◦ none of these are correct.

Question 2

A salt, MY, crystallizes in a body-centered cubic structure with a Y– anion at each cube corner and an M+ cation at the cube center. Assuming that the Y– anions touch each other and the M+ cation at the center, and the radius of Y– is 1.50 × 102 pm, the radius of M+ is:

◦ 62.0 pm
◦ 110 pm
◦ 124 pm
◦ 220 pm
◦ None of these are correct
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by acc299 on Mar 21, 2021

brbarasa

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Reply #1 on: Mar 21, 2021
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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acc299

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Reply 2 on: Mar 21, 2021
Wow, this really help

Sarahjh

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Reply 3 on: Yesterday
Gracias!

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