Radon-222 has a half-life of 3.8 days. What mass of radon-222 would have a decay rate of 2220 Bq? Considering that radon-222 decays via alpha radiation, ALSO write the complete nuclear decay equation.
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. Radon-222 has a half-life of 3.8 days. What mass of radon-222 would have a decay rate of 2220 Bq? Considering that radon-222 decays via alpha radiation, ALSO write the complete
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- Please have computer typed.Please help me answer the following.The half-life of 1311 is 8.04 days. (a) Convert the half-life to seconds. S (b) Calculate the decay constant for this isotope. S-1 (c) Convert 0.570 μCi to the SI unit the becquerel. Bq (d) Find the number of 13¹1 nuclei necessary to produce a sample with an activity of 0.570 μCi. 1311 nuclei (e) Suppose the activity of a certain 13¹1 sample is 6.90 mCi at a given time. Find the number of half-lives the sample goes through in 40.2 d and the activity at the end of that period. (Enter your answer for the number of half-lives to at least one decimal place.) half-lives mCi
- β− decay of 40K , a naturally occurring rare isotope of potassium responsible for some of our exposure to background radiation.write the complete decay equation for the given nuclide in the complete ZAXN notation.Show what is meant by the radioactive half-life of a radionuclide, using a suitable sketch graph. Mark two half-lives on your graph. Also use your graph to show the relationship of the halflife with τ, the decay constant, or characteristic decay time and τ−1, the decay rate.Use the fact that there are 3.13x107 s/year. (a) The half-life of the radioactive nucleus 22688Ra is 1.58x103 years. What is the decay constant (in s-1) of 22688Ra? (b) If a sample of 22688Ra nuclei has a decay rate of 3.9x105 decays /s at t = 0, then what is the decay rate after the sample is 4740 years old?