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Author Question: A radioactive sample decays from 0.500 grams to 0.0135 g in 18.5 hours. What is its half-life? (Read 56 times)

jrubin

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on: Mar 21, 2021

Question 1

Which unit takes into account the relative ability of radiation to cause damage?

◦ rem
◦ rad
◦ curie
◦ becquerel
◦ cpm

Question 2

A radioactive sample decays from 0.500 grams to 0.0135 g in 18.5 hours. What is its half-life?

◦ 3.5 hours
◦ *
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by jrubin on Mar 21, 2021

tanna.moeller

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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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jrubin

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

juliaf

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Reply 3 on: Yesterday
:D TYSM

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