![]() Let me tell you the atomic mass of Nitrogen and oxygen. However, this value is very small and the reason behind such a small value is the difference in atomic mass of Nitrogen and oxygen. So they tend to remain at the top layer of atmosphere.īecause of these reasons, nitrogen is 78 % in Earth’s atmosphere. Other gases like hydrogen, helium, argon, neon, etc are lighter than nitrogen. Hence they remain close to Earth’s surface. Also Nitrogen and oxygen are heavy compared to other gases present in the atmosphere.Nitrogen gas does not get easily involved in chemical reaction with other elements present in the Earth’s atmosphere.There are few reasons which make 78% of Nitrogen in the atmosphere. Why is Nitrogen 78 percent of the atmosphere? Thus nitrogen is very important for plants and animals to grow, survive and reproduce. As nitrogen is important for plants, there are many nitrogen-containing fertilizers available for the better growth of plants.Also too much nitrogen is also harmful for the growth of plants. Plants which do not get enough nitrogen turn yellow and they also lack growth. Plants receive nitrogen from the water and soil in the form of nitrates and ammonium.Chlorophyll which is responsible for the green color of the plants has a large amount of nitrogen in it. Plants prepare their food during the photosynthesis process. Apart from humans, plants also need nitrogen for their growth.The nitrogen present in human body does not enter directly from the air, but it enters our body from the food which we eat.For their growth, replacement or repair, nitrogen is very essential. Our skin, hair, muscles, nails, blood, etc contains proteins. ![]() Also nitrogen is a part of amino acids, which are the building block of proteins in our body.DNA is responsible for the transfer of genetic information from one generation to another. Nitrogen is present in the nucleic acid of our body which includes DNA and RNA.Nitrogen element is very important for sustaining life because of the following reasons. HEX (Hexagonal) Melting point of Nitrogen (N 2) 63.23 K or -209.86 ☌ or -345.75 ☏ Boiling point of Nitrogen (N 2) 77.35 K or -195.79 ☌ or -320.43 ☏ Density 0.808 g/cm 3 (when liquid at barometric pressure) Main isotope 14N Who discovered Nitrogen and when? Protons 7 Neutrons 7 Electrons 7 Symbol N Atomic massĢ, 5 Electronic configuration 2s 2 2p 3 Atomic radiusġ55 picometers (van der Waals radius) Valence electronsĥ 1st Ionization energy 14.534 eV Electronegativity Nitrogen Element (N) Information Appearance Colorless gas State (at STP) Gas Position in Periodic table So if you want to know anything about Nitrogen element, then this guide is for you. In fact, the table mentioned below is the perfect information box (Which gives you every single detail about the nitrogen element in Periodic table.) This is a SUPER easy guide on Nitrogen element.
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