Hydrogen is the chemical element with the symbol H and atomic number 1. At standard condition hydrogen is a gas of diatomic molecules having the formula H2It is a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The hydrogen atom has a nucleus consisting of a proton bearing one unit of positive electrical charge; an electron, bearing one unit of negative electrical charge, is also associated with this nucleus. Although hydrogen is the most abundant element in the universe, it makes up only about 0.14% of Earth’s crust by weight. The presentation will give better understanding on the topic.

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