-. What is the grade needed on your final exam worth 30% of the overall course grade to earn a C
(75.00%) in the course? You earned an 82.00% on the midterm worth 50% and you have a 90.00%
homework grade. Explain how Question #2 related to isotopes and atomic weight?

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.