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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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byemarc byemarc
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11 years ago
Radioactive isotope technetium-99m has a half-life of 6 hours.What fraction of a sample of technetium-99m remains after 24 hours?

 1/4
 1/6
 1/16
 1/24
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sml0920sml0920
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11 years ago
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