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Chemistry, 04.02.2022 01:10 Giabear23

Thorium-229 is the radioactive substance that gives lantern mantels their eerie glow. The half life of thorium-229 is 7340 years. If one mantel consists of 0.4 grams of thorium, how much thorium will remain after 14,680 years? a.
0.2

b.
0.1

c.
0.05

d.
0.8

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Answers: 1

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Thorium-229 is the radioactive substance that gives lantern mantels their eerie glow. The half life...
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