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Hydrogen and its Uses Hydrogen the simplest element it composed of one proton and one electron It makes up more than 90 of the composition of the universe More than 30 of the mass of the sun is atomic hydrogen It is the third most abundant element in the earths surface and is found mostly in water Under ordinary conditions hydrogen is a colorless odorless tasteless and nonpoisonous gas composed of diatomic molecules When hydrogen is generated from renewable sources its production and use is part of a clean cyclic process Henry Cavendish 17311810 was the first chemist to produce water from hydrogen and oxygen and to understand that the production of water was essentially related to the loss of the combined weights of the gases He was an English chemist and physicist who spent several years studying the properties of hydrogen and carbon dioxide In 1776 he discovered that hydrogen was a separate substance The ultimate goals of chemists studying Hydrogen are to produce cost-effective hydrogen from renewable energy sources and to make it available for widespread use as a clean energy carrier and fuel To achieve this scientists must develop advanced technologies to safely produce store transport use and detect hydrogen The most abundant element in the universe is Hydrogen and it is also a nonpolluting substance Not to mention it is an important fuel and energy carrier now and in the future Hydrogen is also the lightest element It is a gas at 298 K the lightest gas ever known Hydrogen as water H2O is absolutely necessary to life and it is present in all organic compounds Hydrogen gas was used in lighter-than-air balloons for transport but is far too dangerous because of the fire risk Hydrogen is located in the S-block of the periodic table of elements Its symbol is H and its atomic number is one Its specific heat capacity
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