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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.
Explain the Stagnant or Ischemic Hypoxia It is a hypoxia resulting from slow peripheral circulation (such as follows congestive cardiac failure). In this, the blood flow to the
Fire Escapes : When a fire breaks out in a building, it is not unusual for people to panic. Sometimes flames can spread rapidly, especially if fanned by blow of air from open or b
how is metal tyre fitted onthe wheel of bullock cart
classification of various qualitative & quantitative health management technologies
A field trip to a rock quarry The quarry should be visited by the teacher in advance. View how the rock is removed. If the rock is sedimentary, view the layers. Collect rock sa
What is the earth crust made of? Ans) The overall composition of the Earth crust is as follows: Silicon 27.7% Oxygen 46.6% Iron 5.0% Aluminum 8.1% All other elem
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How do you explain the fact that clay soils which commonly have higher pore space than sandy soils are often more poorly aerated than sandy soils. Clay soils have higher pore s
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