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30 Which radioisotopes have the same decay mode and have half-lives greater than 1 hour? (1) Au-198 and N-16 (3) I-131 and P-32 (2) Ca-37 and Fe-53 (4) Tc-99 and U-233

30 Which radioisotopes have the same decay mode and have half-lives greater than 1 hour? (1) Au-198 and N-16 (3) I-131 and P-32 (2) Ca-37 and Fe-53 (4) Tc-99 and U-233
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30 Which radioisotopes have the same decay mode

and have half-lives greater than 1 hour?
(1) Au-198 and N-16 (3) I-131 and P-32
(2) Ca-37 and Fe-53 (4) Tc-99 and U-233

User Ozlem
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8.7k points

1 Answer

4 votes
(4) Tc-99 and U-233 ..
User Malcolm Jones
by
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