Chemical elements/Definition: Difference between revisions
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imported>Milton Beychok m (Revised the Definition.) |
imported>Anthony.Sebastian (refining defn of 'chemical elements') |
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In one sense, refers to species or types of atoms, each species/type distinguished by the number of protons in the nuclei of the atoms belonging to the species/type, each species/type having a unique number of nuclear protons; in another sense, refers to substances, or pieces of matter, each composed of multiple atoms solely of a single species/type. | |||
Latest revision as of 21:51, 2 September 2010
In one sense, refers to species or types of atoms, each species/type distinguished by the number of protons in the nuclei of the atoms belonging to the species/type, each species/type having a unique number of nuclear protons; in another sense, refers to substances, or pieces of matter, each composed of multiple atoms solely of a single species/type.