ferric charge
51Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
52Electrolysis — In chemistry and manufacturing, electrolysis is a method of separating chemically bonded elements and compounds by passing an electric current through them.History*1800 William Nicholson and Johann Ritter decomposed water into hydrogen and oxygen …
53Circular dichroism — (CD) refers to the differential absorption of left and right circularly polarized light.[1][2] This phenomenon was discovered by Jean Baptiste Biot, Augustin Fresnel, and Aimé Cotton in the first half of the 19th century.[3] It is exhibited in… …
54Radical (chemistry) — Free radical redirects here. For other uses, see Free radical (disambiguation). Moses Gomberg (1866 1947), the founder of radical chemistry Radicals (often referred to as free radicals) are atoms, molecules, or ions with unpaired electrons on an… …
55Chemical state — Contents 1 Overview 2 Measurement and Interpretation 3 Significance 4 Closely related nomenclature …
561993 World Trade Center bombing — World Trade Center Bombing Underground damage after the bombing Location New York City, New York …
57colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …
58vanadium processing — Introduction preparation of the metal for use in various products. Vanadium (V) is a grayish silver metal whose crystal structure is a body centred cubic (bcc) lattice, with a melting point of 1,926° C (3,499° F). The metal is used… …
59zinc processing — Introduction preparation of the ore for use in various products. Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can …
60Nickel (United States coin) — This article is about the U.S. coin; for its Canadian counterpart made intermittently of 99.9% nickel between 1922 1981, and also called the nickel, see Nickel (Canadian coin). This article is specifically about the U.S. five cent coin; for its… …
