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The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the ... The three major constituents of air, and therefore of Earth's atmosphere, are nitrogen, oxygen, and argon. Water vapor accounts for ... nitrous oxide, and ozone. Filtered air includes trace amounts of many other chemical compounds.


Visualisation of composition by volume of Earth's atmosphere. Water vapour is not included as it is highly variable.


Apr 6, 2017 ... Learn about chemical composition of the Earth's air. Percentages of the most common compounds are given, according to volume.


Constituent, Chemical symbol, Mole percent. Nitrogen, N2, 78.084. Oxygen, O2, 20.947. Argon, Ar, 0.934. Carbon dioxide, CO2, 0.0350. Neon, Ne, 0.001818.


Home; > Science; > OCR 21C Additional Science (Pre-2011); > Chemicals of the natural environment; > Air and molecular compounds ... The composition of air.


But the atomic composition of air is roughly . ... What does H2SO4, the chemical formula, stand for? What the chemical ... What is chemical formula of seawater?


Gas, Ratio compared to Dry Air (%), Molecular Mass - M - (kg/kmol), Chemical Symbol, Boiling Point. By volume, By weight, (K), (oC) ...


The composition of air varies greatly with height. Over ninety kilometres above the earths' surface oxygen molecules fall apart and only oxygen atoms are left.


Chemical Composition of Air: Standard Air Components and Site-specific ...