Web226 Ra is the most stable isotope of radium and is the last isotope in the (4n + 2) decay chain of uranium-238 with a half-life of over a millennium: it makes up almost all of natural radium. Its immediate decay product is the dense radioactive noble gas radon (specifically the isotope 222 Rn ), which is responsible for much of the danger of environmental … WebQ: The half-life of radium 226 is 1602 years. If you have 500 grams of radium today how many grams… If you have 500 grams of radium today how many grams… A: This is a first order reaction where the radioactive substance disintegrates.
Radioactive Decay: Half-Life, Average Life, and Decay Rate
WebQuestion: 6. The half-life of radium-226 is 1600 years. Suppose we have a 24-mg sample. a. Find a function that models the amount remaining after t years: (do not use a calculator) b. how much of the sample will remain after 5,000 years? Exact Answer: Approximate answer (round to one decimal place): c. How long until there are only 5 mg remaining? Web1 Apr 2024 · 3. The half-life of radium-226 is 1600 years. If a sample of radium-226 has an original activity of 200 Bq, what will it’s activity be after 4800 years? A=A_0 2^ {-t/T_ {1/2}}=200\times 2^ {-4800/1600}=25\:\rm Bq. A = A02−t/T 1/2 = 200×2−4800/1600 = 25 Bq. should waterproof timberland leather boots
OneClass: Radium-226 decays by alpha emission to radon-222, a …
Web19 Apr 2013 · The half-life of radium-226 is about 1602 years, so the question, which asks after the change in 800 years actually asks about "half a half-life" of a 2.5 gram sample. We don't need a calculator ... Web9 Nov 2024 · 25% radium-226 remain after 3200 years.6.82 mg of sample remains after 3000 years.15 mg of the sample will stay long about 1179. 19 years.. Half life of radium-226 = 1600 years What is half-life? half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay.. Calculation of each part can … WebTranscribed Image Text: Radium-226 is radioactive and has a half life of 1600. years. How long would it take a sample to decay from 4.50 mg to 2.70 mg. Round your answer to 2 significant digits. Expert Solution Want to see the full answer? Check out a sample Q&A here See Solution star_border Students who’ve seen this question also like: should watermelons be pruned