![]() (Technically, fissile material can undergo fission with neutrons of any energy, whereas fissionable material requires high-energy neutrons. nuclear fission, subdivision of a heavy atomic nucleus, such as that of uranium or plutonium, into two fragments of roughly equal mass. ![]() Material that can sustain a nuclear fission chain reaction is said to be fissile or fissionable. I would like to know what a nuclear bomb actually does Rafael, age 11, Melbourne. It is associated with nuclear energy, medical diagnostic and treatment procedures, and natural gas production. It has a radioactive decay half-life of about eight days. ![]() If this process continues, a nuclear chain reaction occurs. Iodine-131 (131I, I-131) is an important radioisotope of iodine discovered by Glenn Seaborg and in 1938 at the University of California, Berkeley. ![]() \): The fission of a large nucleus, such as U-235, produces two or three neutrons, each of which is capable of causing fission of another nucleus by the reactions shown. Fission fragments interact strongly with the surrounding atoms or molecules traveling at high speed, causing them to ionize. ![]()
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