What would the nuclear equation be for the beta-decay of …
2016年6月27日 · Here's what I got. Strontium-90, ""^90"Sr", undergoes beta minus decay, so your goal here will be to use what you know about the emission of a beta particle to figure out the …
The half-life of strontium-90 is 28 years. How long will it ... - Socratic
2015年10月20日 · "56 years" A radioactive isotope's nuclear half-life tells you how much time must pass until an initial sample is halved. In your case, strontium-90 is known to have a half …
Write a nuclear reaction for the neutron-induced fission of
2015年5月31日 · When uranium-235 undergoes a neutron-induced fission reaction, it will split into two smaller nuclei, which, in your case, are tellurium-137, ""^137"Te", and zirconium-97, …
Nuclear Half-Life Calculations - Chemistry - Socratic
The half-life of strontium-90 is 28 years. How long will it take a 44 mg sample to decay to a mass of 11 mg? Thorium-234 has a half-life of 24 days. if you started with 100 gram sample of …
If we start with 1 mg of strontium, 0.953 mg will remain after 2.0 ...
2016年6月26日 · t_"1/2" = "29 years" The nuclear half-life of a radioactive nuclide, t_"1/2", is defined as the time needed for a sample of this nuclide to decay to half of its initial mass. The …
The half-life of strontium-90 is 25 years. How much strontium-90 …
2017年1月15日 · 0,25 g If the half-life of Sr-90 is 25 years it means that after 25 years its amount will be half the initial quantity. If you have 4,00 g, after 25 years you have 2,00 g; after 50 …
How do you balance nuclear fission equations? + Example - Socratic
2014年7月16日 · The sums of the superscripts and of the subscripts must be the same on each side of the equation. Here are some links that show how to balance nuclear equations. http ...
The half life strontium-90 is 28.8 years. How much of a 325
2017年6月7日 · After four half lives 20.3125 is remaining and the sample is 115.2 years old. We start with 325 and divide by two this accounts for one out the four half lives. Which is 162.5 …
If 100.0 g of a radioactive isotope that has a half life of ... - Socratic
2014年5月17日 · The amount remaining will be 6.2 g. The number of half-lives is n = t/t_½ For each half-life, you divide the total amount of the isotope by 2, so Amount remaining = "original …
Question #32808 - Socratic
2015年10月25日 · In this case, you are dealing with a strontium-90 isotope #""_38^90"Sr " -> # strontium-90 Read more about why stronyium-90 is considered a hazardous isotope here: