even-odd nucleus

  • 41analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …

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  • 42lipid — /lip id, luy pid/, n. Biochem. any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with… …

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  • 43Neutron — This article is about the subatomic particle. For other uses, see Neutron (disambiguation). Neutron The quark structure of the neutron. (The color assignment of individual quarks is not important, only that all three colors are present.)… …

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  • 44Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …

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  • 45Comet — This article is about the astronomical object. For other uses, see Comet (disambiguation). Comet Hale– …

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  • 46Chemical bond — A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges, either between electrons and… …

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  • 47Obsessive-compulsive disorder — (OCD) is a chronic anxiety disorder most commonly characterized by obsessive, distressing, intrusive thoughts and related compulsions. Compulsions are tasks or rituals which attempt to neutralize the obsessions. OCD is distinguished from other… …

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  • 48biblical literature — Introduction       four bodies of written works: the Old Testament writings according to the Hebrew canon; intertestamental works, including the Old Testament Apocrypha; the New Testament writings; and the New Testament Apocrypha.       The Old… …

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  • 49seed and fruit — ▪ plant reproductive part Introduction       respectively, the characteristic reproductive (reproductive system, plant) body of both angiosperms (flowering plants) and gymnosperms (conifers, cycads, and ginkgos) and the ovary that encloses it.… …

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  • 50Hassium — (pronEng|ˈhæsiəm or IPA|/ˈhɑːsiəm/ [ [http://dictionary.reference.com/browse/hassium hassium Definitions from Dictionary.com ] ] ) is a synthetic element in the periodic table that has the symbol Hs and atomic number 108. Hassium oxidizes… …

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