Common Uses of Nitrogen This element is present in virtually all pharmacological drugs. For an in-depth technical explanation, Google “Rayleigh scattering.” In short: when something is said to have color, it means it absorbs some wavelengths of light, and reflects others. Nitrogen dioxide is a paramagnetic , bent molecule and with a pungent, acrid odor, becomes a yellowish-brown liquid below 21.2 °C and converts to the colorless below −11.2 °C. Interactions with nitrogen produce red, violet, and occasionally blue colors. It is a constituent element of amino acids and therefore of proteins and nucleic acids (DNA and RNA). Liquid nitrogen's efficiency as a coolant is limited by the fact that it boils immediately on contact with a warmer object, enveloping the object in insulating nitrogen gas. Nitrogen is important to the chemical industry. That's not the case with the atmosphere. Typically, when the particles collide with oxygen, yellow and green are produced. It has no color, odor or taste. Nitrogen occurs in all living organisms. Nitrogen actually is a big part of chlorophyll which is the chemical that gives plants their dark green color. Nitrogen is an important part of our bodies. Color: Colorless gas: Electron Configuration [He] 2s2 2p3: Electron Number: 7: Proton Number: 7: Electron Shell: 2, 5: Density: 1.25 g.cm-3 at 20°C: Atomic number: 7: Atomic Mass: 14.01 g.mol -1 : Electronegativity according to Pauling: 3.04: Occurrence. During fall plants turn colors other than green because they lose their chlorophyll.

This is done by the Haber process. Nitrogen is a non-reactive gas. 150 million tonnes of ammonia are produced in this way every year.
The solid nitrogen allows the feeble light arriving from the sun to pass through it. Nitrogen is a very common element, both on Earth and in the universe. Nitrogen is also present in every living thing on the planet. Amino acids all contain nitrogen and these are the building blocks that make up the proteins in your hair, muscles, skin and other important tissues. Neptune’s satellite Triton has five mile high, nitrogen-powered geysers. Nitrogen actually is a big part of chlorophyll which is the chemical that gives plants their dark green color.

For some colors, such as those of oxygen and nitrogen, the inspiration is less clear. In the form of nitrous oxide it is used as an anesthetic. Like Earth, Triton’s atmosphere is mainly nitrogen, but Triton is so cold the nitrogen sits on the surface as a rock-hard solid. To make these products, nitrogen must first be reacted with hydrogen to produce ammonia. This effect, known as the Leidenfrost effect , applies to any liquid in contact with an object significantly hotter than its boiling point. Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting 78% by volume of Earth's atmosphere. Nitrogen is an important part of your DNA, which defines what you are like in many ways. Its atomic number is 7 and the symbol is N. it comprises around 78% of the Earth’s atmosphere. Oxygen emits either a greenish-yellow light (the most familiar color of the aurora) or a red light; nitrogen generally gives off a blue light. Nitrogen dioxide is a deep red-orange gas that is poisonous but not flammable. The colors most often associated with the aurora borealis are pink, green, yellow, blue, violet, and occasionally orange and white. It is used to make fertilisers, nitric acid, nylon, dyes and explosives. The oxygen and nitrogen molecules also emit ultraviolet light, which can only be detected by special cameras on satellites.

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