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Which of the following electromagnetic waves can create ions?
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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.
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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a radioactive substance decays to one third of its original amount in 10 hours. Find the half life o...
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