odorless
21methane — CH4; an odorless gas produced by the decomposition of organic matter; explosive when mixed with 7 or 8 volumes of air, constituting then the firedamp in coal mines. SYN: marsh gas. * * * meth·ane meth .ān, Brit usu mē .thān n a colorless odorless …
22water — 1. H2O; a clear, odorless, tasteless liquid, solidifying at 32°F (0°C, 0°R), and boiling at 212°F (100°C, 80°R), that is present in all animal and vegetable tissues and dissolves more substances than any other liquid. See volume. 2. Euphemism for …
23Carbon dioxide — Carbon dioxide …
24Carbon monoxide — chembox Name = Carbon monoxide ImageFileL1 = Carbon monoxide 2D.svg ImageSizeL1 = 100px ImageNameL1 = Structure of the carbon monoxide molecule ImageFileR1 = Carbon monoxide 3D vdW.png ImageSizeR1 = 120px ImageNameR1 = Space filling model of the… …
25Gamma-Hydroxybutyric acid — γ Hydroxybutyric acid Systematic (IUPAC) name 4 Hydroxybutanoic acid …
26Noble gas — Group 18 Period 1 2 He 2 …
27Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
28Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …
29Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
30Xenon — (PronEng|ˈzɛnɒn [Xenon, entry in the Oxford English Dictionary, prepared by J. A. Simpson and E. S. C. Weiner, vol. 20, second edition, Oxford: Clarendon Press, 1989. ISBN 0 19 861232 X (vol. 20), ISBN 0 19 861186 2 (set.)] or IPAlink en|ˈziːnɒn… …
