atomic symbol

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• atomic symbol — atomo simbolis statusas T sritis chemija apibrėžtis Sutartinis atomo žymėjimas. atitikmenys: angl. atomic symbol rus. символ атома …   Chemijos terminų aiškinamasis žodynas

• 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 Knight — is a DC Comics superhero and was briefly a member of the Outsiders team. He is sometimes depicted as one of a group of Atomic Knights, which first appeared in Strange Adventures #117 (June 1960).Citation | last = Greenberger | first = Robert |… …   Wikipedia

• 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 mass unit — n. a unit of mass, exactly one twelfth the mass of a neutral atom of the most abundant isotope of carbon, C12: one atomic mass unit equals 1.6605 x 10 24 gram and is equivalent to 931.48 MeV in energy: symbol amu or u …   English World dictionary

• Atomic mass unit — unified atomic mass unit Unit system: SI recognized unit Unit of... mass Symbol: u Unit conversions 1 u in... is equal to...    dalton …   Wikipedia

• Atomic number — See also: List of elements by atomic number An explanation of the superscripts and subscripts seen in atomic number notation. In chemistry and physics, the atomic number (also known as the proton number) is the number of protons found in the… …   Wikipedia

• Atomic orbital — The shapes of the first five atomic orbitals: 1s, 2s, 2px, 2py, and 2pz. The colors show the wave function phase. These are graphs of ψ(x,y,z) functions which depend on the coordinates of one electron. To see the elongated shape of ψ(x,y,z)2… …   Wikipedia

• atomic number — the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Abbr.: at. no.; Symbol: Z Also called proton number. [1815 25] * * * Number of a… …   Universalium

• Atomic Age — This article is about the historical era. For the comic book miniseries, see Atomic Age (comics). An early nuclear power plant that used atomic energy to generate electricity. The Atomic Age, also known as the Atomic Era, is a phrase typically… …   Wikipedia

• Atomic whirl — The atomic whirl is the logo of the American Atheists, and has come to be used as a symbol of atheism in general.The well known symbol of an atom, showing the orbital paths of electrons around the central nucleus is used by the American Atheists… …   Wikipedia