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Author Question: Which of the following minerals is not a chemical compound? (Read 50 times)

naturalchemist

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on: Feb 28, 2020

Question 1

Heavy elements like Pb (lead) and U (Uranium) were generated ________.
◦ by the Sun and expelled to the solar system via the solar wind
◦ by humans in nuclear reactors
◦ during the big band when the universe was formed
◦ during collapse of a star and subsequent nuclear synthesis in a supernova

Question 2

Which of the following minerals is not a chemical compound?
◦ graphite (C)
◦ quartz (SiO2)
◦ halite (NaCl)
◦ pyrite (FeS)
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
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Marked as best answer by naturalchemist on Feb 28, 2020

Cnarkel

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Reply #1 on: Feb 28, 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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naturalchemist

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Reply 2 on: Feb 28, 2020
Gracias!

deja

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Reply 3 on: Yesterday
:D TYSM

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