PPT-Nuclear

Chemistry involve changes with electrons involve changes in atomic nuclei Spontaneouslychanging nuclei emit and are said to be Chemical reactions. Special thanks to Madison Marks for her research assistance on this second edition Copyright 57513 November 2013 In April of 2012 we released the report Nuclear Famine A Billion People at Risk which examined the climatic and agri cultural consequenc Team Alpha. Student1 Name. , . Student2 . Name, . Student3 . Name, . Student4 . Name, . Student5 . Name . What risks were overlooked in the Fukushima nuclear disaster and what risk controls could have been put in place to avoid this catastrophe?. How it works?. Just as conventional power-stations generate electricity by harnessing the . thermal energy . released from .  . burning fossil fuels, . nuclear reactors convert the thermal energy released from . I can draw a . model of nuclear fission.. I can . recognize a nuclear fission equation. .. I can . describe two applications for nuclear fission.. I can . draw a model of nuclear fusion. .. I can . recognize a nuclear fusion equation. Is radiation dangerous? . Is nuclear power a good choice?. . What is nuclear energy?. Are nuclear energy and nuclear bombs both dangerous? . Guiding Questions. The Power of the Nucleus. Bravo – 15,000 kilotons. April 1986. https://publicintelligence.net/wp-content/uploads/2011/03/chernobyl.jpg. By the time the Soviet Union fell apart in 1991, they had . 17. . nuclear. power plants, with more being built. These plants provided 12.7% of all the electricity used in the Soviet Union. . Nuclear power plant. 2. NUCLEAR FUEL. Nuclear . fuel is any material that can be consumed to derive nuclear energy. The most common type of nuclear fuel is fissile elements that can be made to undergo nuclear fission chain reactions in a nuclear reactor . In the nuclear equation for alpha decay, the mass number of the new nucleus decreases by 4 and its atomic number decreases by 2.. Learning Goal . Write a balanced nuclear equation showing mass numbers and atomic numbers for radioactive decay.. Fission and Fusion. A brief history…. 1919: Ernest Rutherford experimented with bombarding nitrogen gas molecules with alpha particles emitted from bismuth-214. Discovery: faster moving particles were produced, and these could travel farther than the alpha particles!. Learning Goal . Write a balanced nuclear equation showing mass numbers and atomic numbers for radioactive decay.. Balancing Nuclear Equations. In a process called . radioactive decay. , the nucleus breaks down by emitting radiation. . Standards. Paddy Regan. Department of Physics, U. Surrey, UK . p.regan@surrey.ac.uk. &. Nuclear Metrology Department, National Physical Lab. UK, . paddy.regan@surrey.ac.uk. . Outline:. Introduction to radioisotope physics. Enormous Energies. Nuclear Fission. Take a large atom and impact the nucleus with a particle. . Split the atom releasing high energy, more high energy neutrons, and two daughter nuclides.. Fission occurs only rarely in nature. Alpha decay is much more common.. A naturally . radioactive element . will . emit . energy without the absorption of energy from an outside source. . The nucleus of an element becomes radioactive because of an unstable ratio of protons to neutrons in the nucleus.. Stephen Croft (ORNL). Ramkumar Venkataraman (ORNL). Louise G. Worrall (ORNL). Robert D. McElroy Jr. (ORNL). Andrea Favalli (LANL). Acknowledgement. This work was sponsored in part by the U.S. Department of Energy (DOE), National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation Research and Development (NA-22) and in part by ORNL and LANL..