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Concentrated nitric acid stains human skin yellow due to its reaction with the keratin

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Nitric acid isn’t combustible, but a strong oxidizer that enhances the combustion of other substances. It’s extremely reactive and a dangerous explosive hazard. Reactions with compounds such as cyanides, carbides, or metallic powders can be explosive, and those with organic compounds are silent and hypergolic (igniting spontaneously on mixing with another substance).

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Gold Coin Dissolving in Acid (Aqua Regia)

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The boiling point of nitric acid is  181.4°F (83°C)

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1.51 grams/cubic centimeter

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The melting point of nitric acid is -43.6 degrees Fahrenheit or -42 degrees Celsius.

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Nitric acid is made by reaction of nitrogen dioxide with water. Normally, the nitric oxide produced by the reaction is reoxidized by the oxygen in air to produce additional nitrogen dioxide. Bubbling nitrogen dioxide through hydrogen peroxide can help to improve acid yield

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Nitric acid is a very corrosive compound. The vapor is irritating to the eyes, throat, lungs, and abrasive to the teeth. If it is inhaled in significant amounts, it will result in severe coughing, chest pain, and shortness of breath.

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Nitric acid is mainly used in the production of fertilizers, explosives, flares and rocket propellants.

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aqua fortis, Hydrogen nitrate

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Nitric acid was first discovered in 1648 by a German chemist, Johann Rudolf.

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HNO3

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The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water.

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HNO3 is an organic molecule. All the bonds in it are covalent.

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Nitric Acid has been called Aqua Regina, which is Latin meaning "royal water", due to the fact that because to its  damaging behavior, it is one of few "reagents" that can dissolve metals.

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HNO3 Lewis Structure - How to Draw the Lewis Structure for HNO3

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A step-by-step explanation of how to draw the HNO3 Lewis Structure (Nitric Acid). The HNO3 Lewis structure is best thought of as the NO3 with an H attached to one of the oxygen atoms. This is a pattern seen with many acids. For the HNO3 Lewis structure, calculate the total number of valence electrons for the HNO3 molecule.