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Author Question: A lead cube that is 3.00 cm on each side contains atoms. What is the density of this cube in g/cm3? (Read 141 times)

washai

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Question 1

A hypothetical element, E, has two stable isotopes.

E-38 = 38.012 u  75.68%
E-46 = 45.981 u  24.32%

The element's atomic mass would be closest to which of the elements?
◦ K
◦ Ar
◦ Ca
◦ Sc
◦ Cl

Question 2

A lead cube that is 3.00 cm on each side contains atoms. What is the density of this cube in g/cm3?
◦ 34.1 g/cm3
◦ 11.4 g/cm3
◦ 0.0550 g/cm3
◦ 0.990 g/cm3
◦ 26.7 g/cm3


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Marked as best answer by washai on Jul 8, 2021

ndhahbi

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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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washai

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Reply 2 on: Jul 8, 2021
YES! Correct, THANKS for helping me on my review


epscape

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Reply 3 on: Yesterday
Excellent

 

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