Which of the following is not true of nuclear fusion? a. nuclear fusion produces helium b. nuclear fusion requires extremely high temperatures c. nuclear fusion reactors produce more energy than they consume

2. In February 1981, the first atoms of the element Bohrium-262, 107 262BH, were made from the bombardment of bismuth-209 atoms by chromium-54 atoms Write a nuclear equation for this reaction. (One or more neutrons may be released in this type of nuclear reaction.)

Question 11 The most used 'nuclear fuel' for nuclear fission is Uranium-235. HAROUSE POPIEREATEST BIZOTARARA LASTENIGHED STEFACING SIAMASTOJE Untukan a) Explain what happens to a Uranium-235 nucleus when it undergoes nuclear fission. [Suggested word count 70] b) Write an equation and explain Uranium-235 nucleus chain reaction and critical mass. (About 80 words)

Which of the following describes safeguards used in nuclear power plants to protect the environment? I. Radioactive sections of the plant are cleaned every week. II. Cooling the reactor prevents an explosion and leak of radiation. III. A mixture of different forms of uranium prevents explosions. O l only Ol and II O Il and III O , II, and III