Mass excess — The mass excess of a nuclide is the difference between its actual mass and its mass number in atomic mass units.[1] It is one of the predominant methods for tabulating nuclear mass. The mass of an atomic nucleus is well approximated by its mass… … Wikipedia
mass number — n an integer that approximates the mass of an isotope and that designates the number of nucleons in the nucleus <the symbol for carbon of mass number 14 is 14C or C14> compare ATOMIC MASS * * * (A) the number of nucleons (protons plus… … Medical dictionary
atomic mass unit — n a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to 1/12 the mass of a single atom of the most abundant carbon isotope 12C called also dalton * * * (u) (amu) the unit mass equal to the mass of the nuclide of… … Medical dictionary
nuclidic mass — nuklido masė statusas T sritis fizika atitikmenys: angl. mass of the nuclide; nuclidic mass vok. Nuklidmasse, f rus. масса нуклида, f pranc. masse du nucléide, f … Fizikos terminų žodynas
Nuclide — A nuclide (from nucleus) is an atomic species characterized by the specific constitution of its nucleus, i.e., by its number of protons Z, its number of neutrons N, and its energy state.[1] Thus, all nuclides are atoms that have at least one… … Wikipedia
nuclide — /nooh kluyd, nyooh /, n. Physics. 1. an atomic species in which the atoms all have the same atomic number and mass number. 2. an individual atom in such a species. [1945 50; NUCL(EO) + ide < Gk eîdos shape] * * * or nuclear species Species of… … Universalium
nuclide — A particular (atomic) nuclear species with defined atomic mass and number. SEE ALSO: isotope. * * * nu·clide n(y)ü .klīd n a species of atom characterized by the constitution of its nucleus and hence by the number of protons, the number of… … Medical dictionary
nuclide — nu•clide [[t]ˈnu klaɪd, ˈnyu [/t]] n. 1) phs an atomic species in which the atoms have the same atomic number and mass number 2) phs an individual atom in such a species • Etymology: 1947; nucl(eus)+ ide < Gk eîdos shape … From formal English to slang
Molar mass — Formula mass redirects here. It is not to be confused with Mass formula. Molar mass, symbol M,[1] is a physical property of a given substance (chemical element or chemical compound), namely its mass per amount of substance.[2] The base SI unit… … Wikipedia
Critical mass — This article is about nuclear fission reactions. For other uses, see Critical mass (disambiguation). As part of a re creation of a 1945 criticality accident, a plutonium pit is surrounded by blocks of neutron reflective tungsten carbide. The… … Wikipedia