why is nitrogen the most abundant gas in the atmosphere

When asked people about the most abundantly available in they tend to say it is either oxygen or carbon dioxide. But in reality the most abundant element present in. Though oxygen is the most essential gas it is the nitrogen which has higher position in the earth atmosphere. of earth. This means it is four times abundant than oxygen or hydrogen. And just not in earth surface but nitrogen is the seventh most abundantly found element in the universe. In the existence of solar radiation the nitrogen will be quiet stable.


All these factors combine to make nitrogen the most commonly found element. What is the history of nitrogen? A discovered nitrogen element in 1977. The chemical abbreviation of nitrogen is N, with atomic number 7 and atomic mass number 14. It is present as a diatomic gas in atmosphere. Nitrogen occurs in various other forms too. For example it is present in the, uric acids etc. all these are the compositions of nitrogen. The fusion reaction occurring in stars led to the formation of nitrogen element 300000 years ago.


According to research the scientists have stated that nitrogen was in solid form initially, after the formation of earth due to. Then the natural calamities like volcanos caused the liquid nitrogen to heat up and emit nitrogen gas atoms. The natural phenomenon causes. So when lightning strikes the nitrogen atoms they form. The dry weight of plant matter is nitrogen. Thought the earth atmosphere has 78% of nitrogen the plants cannot directly access it. So the plants will have legumes in its roots which converts the atmospheric nitrogen to nitrates and other compounds for the use of plants.


The abundant presence of nitrogen makes it suitable in many fields. ,
A. Nitrogen - 78% - Dilutes oxygen and prevents rapid burning at the earth's surface. Living things need it to make proteins. Nitrogen cannot be used directly from the air. The Nitrogen Cycle is nature's way of supplying the needed nitrogen for living things. B. Oxygen - 21% - Used by all living things. Essential for respiration. It is necessary for combustion or burning.


C. Argon - 0. 9% - Used in light bulbs. D. Carbon Dioxide - 0. 03% - Plants use it to make oxygen. Acts as a blanket and prevents the escape of heat into outer space. Scientists are afraid that the buring of fossil fuels such as coal and oil are adding more carbon dioxide to the atmosphere. E. Water Vapor - 0. 0 to 4. 0% - Essential for life processes. Also prevents heat loss from the earth. F. Trace gases - gases found only in very small amounts. They include neon, helium, krypton, and xenon. Composition

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