Question: Compared to 3He the probability of absorbing a neutron is
Compared to 3He, the probability of absorbing a neutron is much less likely for 4He. Explain this using what you know about odd– even proton and neutron numbers.
Answer to relevant QuestionsExplain how the fusing of very light nuclei and the split-ting of very heavy nuclei can both release energy. Theoretically, the tumor- killing efficiency of particle beams is much greater than that of a beam of X- rays or gamma rays. Explain why this is true. Complete the following nuclear decay equations by filling in the blanks: A sample of technetium-104, which has a half-lfe of 18.0 min, has an initial activity of 10.0 mCi. Determine the activity of the sample after exactly 1 h has elapsed. A basement room containing radon gas (t1/2 = 3.82days) is sealed to be airtight. (a) If 7.50 x 1010 radon atoms are trapped in the room, estimate how many radon atoms remain in the room after one week. (b) Radon undergoes ...
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