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Technetium-99m, an important radionuclide in

Technetium-99m, an important radionuclide in medicine, has a half-life of 6.0 hours. What percentage of a sample of
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2. asked by Anonymous
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If a patient is administered 4.7 nanograms (ng) of technetium-99m, how much will remain 1.251 days (d) later, assuming that no
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A radionuclide undergoes alpha emission, and thorium-234 is produced. What was the original radionuclide?
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2. asked by Josh
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A radionuclide undergoes alpha emission, and thorium-234 is produced. What was the original radionuclide?
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2. asked by chris
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All isotopes of technetium are radioactive, but they have widely varying half-lives. If an 800.0 g sample of technetium-99
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2. asked by Matthew
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A 130-mg sample of technetium-99 m is used for a diagnostic test. If technetium-99 m has a half-life of 6.0 h, how many
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Technetium is a transition metal similar to manganese.what chemical and physical properties would you expect technetium to have?
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2. asked by fern
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Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 {\rm hr} and is a pure gamma
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2. asked by Shay
3. 1,458 views
Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 {\rm hr} and is a pure gamma
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2. asked by Shay
3. 695 views
Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 hr and is a pure gamma emitter.
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2. asked by Nadia
3. 902 views