Hydrated+peroxide+of+iron
21Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …
22Calcium carbonate — Calcium carbonate …
23List of common misconceptions — This incomplete list is not intended to be exhaustive. This is a list of current, widely held, false ideas and beliefs about notable topics which have been reported by reliable sources from around the world. Each has been discussed in published… …
24hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …
25Sulfuric acid — Sulfuric acid …
26Methylene blue — Methylene blue …
27Radiation chemistry — is a subdivision of nuclear chemistry which is the study of the chemical effects of radiation on matter; this is very different from radiochemistry as no radioactivity needs to be present in the material which is being chemically changed by the… …
28Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …
29Mars surface color — Rock strewn surface imaged by Mars Pathfinder The apparent color of the Martian surface enabled humans to distinguish it from other planets early in human history and motivated them to weave fables of war in association with Mars. One of its… …
30Ganymede — /gan euh meed /, n. 1. Also, Ganymedes /gan euh mee deez/. Class. Myth. a Trojan youth who was abducted by Zeus and taken to Olympus, where he was made the cupbearer of the gods and became immortal. 2. Astron. the largest moon of the planet… …
