metallic+compound
81carbon group element — ▪ chemical elements Introduction any of the five chemical elements that make up Group 14 (IVa) of the periodic table namely, carbon (C), silicon (Si), germanium (Ge), tin (Sn), and lead ( …
82atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …
83chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… …
84Outline of chemistry — The following outline is provided as an overview of and topical guide to chemistry: Chemistry – science of atomic matter (matter that is composed of chemical elements), especially its chemical reactions, but also including its properties,… …
85Metal — This article is about metallic materials. For other uses, see Metal (disambiguation). Some metal pieces Metals Alkali metals …
86hymenopteran — /huy meuh nop teuhr euhn/, adj. 1. hymenopterous. n. 2. Also, hymenopter. a hymenopterous insect. [1875 80; HYMENOPTER + AN] * * * ▪ insect Introduction any member of the third largest and perhaps the most beneficial to humans of all insect… …
87oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
88Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …
89Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral …
90Photographic print toning — In photography, toning is a photographic process carried out on silver based (black and white) photographic prints to change their colour. Some toning processes can improve the chemical stability of the print and allow it to last longer. Other… …
