Chemistry Lab Manual®

No members of Group 8A (18) of the modern periodic table can be found on Mendeleev’s version of the periodic table. Suggest an explanation for their absence. 13. PERIODIC TABLE I: A STUDY OF REACTIVITY OF METALS ... A Ba-137 generator will be used as the source of the Ba-137m. The generator contains Cs-137, which decays by beta emission to Ba ... ................
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