shellyeva shellyeva

20-06-2016
Chemistry

contestada

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

Respuesta :

vaibhavmunde vaibhavmunde

20-06-2016

(4) Tc-99 and U-233 ..

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