Web18 Feb 2024 · Thirty-four isotopes of radium, all radioactive, are known; their half-lives, except for radium-226 (1,600 years) and radium-228 (5.75 years), are less than a few weeks. The long-lived radium-226 is found in nature as a result of its continuous formation from uranium-238 decay. WebThe half-life of radium is 1600 years. The fraction of a sample of radium that would remain after 6400 years : A 1/4 B 1/2 C 1/8 D 1/16 Hard Solution Verified by Toppr Correct option …
The half - life of radium is about 1600 years. Out of 100g …
WebThe half-life of radioactive carbon-14 is 5,730 years. If a sample of a tree (for example) contains 64 grams (g) of radioactive carbon after 5,730 years it will contain 32 g, after … WebThe half-life of radium is approximately 1600 years. If the present amount of radium in a certain location is 800 grams, how much will remain after 1200 years? Express your answer to the nearest gram. filmes online website
The half life of radium is about 1600 years. Of 100 g of …
Web19 Dec 2024 · The half-life of radium is about 1600yr 1600 y r. Of 100g 100 g of radium existing now, 25g 25 g will remain unchanged after A. 6400 years B. 2400 years C. 3200 years D. 4800 years class-12 neet 1 Answer 0 votes answered Dec 19, 2024 by MukundJain (94.1k points) selected Dec 19, 2024 by EashtaBasu Best answer Correct Answer - C Web9 Dec 2015 · The half-life of radium-226 is 1600 years. (a) What is the exponential decay rate? Round to 5 decimal Places. (b) Suppose we have 20 mg sample. How much of the sample will remain after 3000 years? WebThe half life of radium is about 1600 years. Of 100g of radium existing now, 25g will remain unchanged after 2063 68 AIPMT AIPMT 2004 Atoms Report Error A 4800 years B 6400 years C 2400 years D 3200 years Solution: Using N = N 0 ⇒ N 0N = (21)n ⇒ 10025 = (21)n ⇒ n = 2. The total time in which radium change to 25g is = 2× 1600 = 3200yr grouping plants in landscaping