atomic element

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• Élément 118 — Ununoctium Ununoctium Ununs …   Wikipédia en Français

• Element — El e*ment, n. [F. [ e]l[ e]ment, L. elementum.] 1. One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based. [1913 Webster] 2. One of the ultimate …   The Collaborative International Dictionary of English

• Atomic weight — (symbol: A sub|r) is a dimensionless physical quantity, the ratio of the average mass of atoms of an element (from a given source) to 1/12 of the mass of an atom of carbon 12.cite journal | author = International Union of Pure and Applied… …   Wikipedia

• Atomic emission spectroscopy — (AES) is a method of chemical analysis that uses the intensity of light emitted from a flame, plasma, arc, or spark at a particular wavelength to determine the quantity of an element in a sample. The wavelength of the atomic spectral line gives… …   Wikipedia

• Atomic theory — Atomic model redirects here. For the unrelated term in mathematical logic, see Atomic model (mathematical logic). This article is about the historical models of the atom. For a history of the study of how atoms combine to form molecules, see… …   Wikipedia

• atomic — ATÓMIC, Ă, atomici, ce, adj. Care ţine de atomi, privitor la atomi, specific atomilor. ♢ Energie atomică = energie nucleară. Armă (sau bombă) atomică = instrument de luptă a cărui putere e bazată pe energie nucleară. Masă (sau greutate) atomică …   Dicționar Român

• atomic weight — n the mass of one atom of an element specif the average mass of an atom of an element as it occurs in nature that is expressed in atomic mass units see ELEMENT (table) * * * the sum of the masses of the constituents of an atom, either that of a… …   Medical dictionary

• atomic number — atomic num·ber nəm bər n an experimentally determined number characteristic of a chemical element that represents the number of protons in the nucleus which in a neutral atom equals the number of electrons outside the nucleus and that determines… …   Medical dictionary

• Atomic physics — (or atom physics) is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. It is primarily concerned with the arrangement of electrons around the nucleus and the processes by which these arrangements… …   Wikipedia

• atomic heat — n the heat capacity per gram atomic weight of any element: the specific heat in calories per degree per gram multiplied by the atomic weight compare MOLECULAR HEAT * * * the product of the atomic weight of an element and its specific heat …   Medical dictionary

• Atomic Runner — Chelnov Atomic Runner Chelnov Éditeur Data East Développeur Data East Date de sortie …   Wikipédia en Français