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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.
what are the functions of the natural environment?
facts
Why does a glacier move? It moves due to the huge pressure of the ice and snow lowers the freezing point of its lower layers, causing by to melt.
Some potato cores were weighed and then placed into a dilute sugar solution. After 2 hours, they were taken out of the solution, dried on a paper towel and weighed again. The mass
Explain Viscosity - Functions of Plasma Proteins Plasma proteins account for about half of the viscosity of blood, the other half being due to the blood cells. The contribution
Pantothenic acid (vitamin B5) Pantothenic acid, also known as vitamin B5, is essential to all forms of life. Pure pantothenic acid was first isolated as its calcium salt
How are fossils formed? Ans) Fossils are formed amongst periods of rock formation, and caused by the gradual accumulation of sediment above millions of years at the bottom, mos
What is full form of WHO ?
models
Explain the Control of Salivary Secretion The autonomic control of saliva secretion occurs in two ways, as unconditioned and conditioned reflex. What are these? Let's find out.
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