Half line question

timer Asked: Nov 22nd, 2016

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1- The half life of C-14 is 5730 years. If a 59.751 gram sample was allowed to decay for 57300 years, how many half lives have elapsed?

Can it be explained

2- Boron (Z=5) is used as a control rod material because its mass-10 isotope, 10B, readily captures neutrons. In the balanced nuclear reaction equation for this process, the other nucleus in the final state is 1n + 10B7Li + ___________

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