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Nuclear Fission:
Splitting the Atom You know that atoms are made up of a nucleus and electrons moving around the nucleus, and the nucleus is made up of protons and neutrons. The principal actor in the fission drama is the uranium atom. The nucleus of the Uranium 238 atom has 92 protons and 146 neutrons. About one atom in 140 atoms of uranium has 143 neutrons in its nucleus. lt is called Uranium 235. It is the Uranium 235 that is mostly used to provide fuel for nuclear furneces. Before the Second World War, two German scientists discovered that if neutrons were shot at the nuclei of Uranium 235, the nuclei split into two and produced other neutrons to repeat the process. This is called nuclear fission.
when one moves from bright to dark place, chairs are not seen at ones. why?
general characters of cylintreta
List any three human activities that you think would lead to air pollution. The following three human activities would lead to air pollution: (i) Burning of fossil fuels such
Flammable Liquids : Bulk supplies of all flammable liquids should be kept in a solvent store well away from main buildings. The store should be securely locked and fire warning no
What is Dry manure Dry manure though contains 80 percent carbon, yet it is considered primarily as a nitrogen fertilizer and, to a lesser extent, one of potassium. Losses of nu
1) Consider the diagram below, where a pump is used to draw water from a lake to feed an irrigation system. a) Which of the points of departure the minimum water flow takes
Objectives : After studying this unit, you should be able to: 1. List the obligations of the teachers and the Head of the institution towards 2. Safe working conditions
Why marbles rarely contain fossils
Question: what did you learn about yourself from reading the other theories of personality?list and explain at least three things.) There is no doubt that it was very knowledgeabl
if we drink liquid nitrogen then what happen
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