ethanemethaneisobutanepropane
Nitrogen (78%) Oxygen (21%) Argon (1%) Carbon dioxide (0.04%)
Pressure, Quantity, Temperature. Volume.
Nitrogen Oxygen Carbon dioxide Water vapor Argon
The first four are (in order of increasing number / mass: He = Helium, Ne = Neon, Ar = Argon, Kr = Krypton Xe = Xenon and Ra = Radon are the other two noble gases
Dan Miller on the Permafrost Melt and Release of Greenhouse Gases
Learn Advanced Placement Chemistry: Gases 2
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