| Ball-and-stick model of the ammonia molecule en• A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct characteristic of a pungent smell | Space-filling model of the ammonia molecule en• Stereo structural formula of the ammonia molecule en• Ammonia, either directly or indirectly, is also a building block for the synthesis of many pharmaceutical products and is used in many commercial cleaning products |
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| Ammonia is a compound of nitrogen and hydrogen with the formula NH3 | It is a common nitrogenous waste, particularly among aquatic organisms, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to food and fertilizers |