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Author Question: What statement is not consistent with the chemistry of lead? (Read 76 times)

penza

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on: Feb 15, 2020

Question 1

What is the structure of the "gray" allotropic form of tin that is used as a semiconductor?
◦ diamond-like
◦ simple cubic
◦ body centered
◦ graphite-like

Question 2

What statement is not consistent with the chemistry of lead?
◦ It is used in making pipes, cables, paint pigments and electrodes for storage batteries.
◦ It has the highest density of the group 4A elements.
◦ It is commonly used as a fuel additive in gasoline to boost the octane rating.
◦ It is obtained from its ore galena (PbS) by roasting in air and then by reduction with carbon monoxide.
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by penza on Feb 15, 2020

rnehls

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Reply #1 on: Feb 15, 2020
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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penza

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Reply 2 on: Feb 15, 2020
Excellent

jackie

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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