gracee10245 gracee10245

20-10-2022
Physics

contestada

Question 1
Thallium-208 has a half-life of 3.00 minutes. How much of 80.0 g sample of Thallium-208 has decayed (no longer radioactive) after 12 minutes?

75,0 g
5.0 g
10.0 g
40,0 g

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