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the periodic system of elements

См. также в других словарях:

  • periodic system — n. the system governing the classification of the elements: see PERIODIC LAW …   English World dictionary

  • History of the periodic table — The history of the periodic table reflects over a century of growth in the understanding of chemical properties, and culminates with the publication of the first actual periodic table by Dmitri Mendeleev in 1869.[1] While Mendeleev built upon… …   Wikipedia

  • periodic system — /pear ee od ik, pear /, Chem. a system of classification of the elements based on the periodic law. [1870 75] * * * periodic system noun The classification of chemical elements according to the periodic law • • • Main Entry: ↑period * * *… …   Useful english dictionary

  • periodic system — /pear ee od ik, pear /, Chem. a system of classification of the elements based on the periodic law. [1870 75] * * * …   Universalium

  • Cosmochemical Periodic Table of the Elements in the Solar System — In cosmochemistry, the Cosmochemical Periodic Table of the Elements in the Solar System is a periodic table that lists all known chemical elements. In addition, it supplements the standard periodic table with extra information for each element,… …   Wikipedia

  • Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …   Wikipedia

  • periodic law — /pear ee od ik, pear /, Chem. 1. the law that the properties of the elements are periodic functions of their atomic numbers. 2. Also called Mendeleev s law. (originally) the statement that the chemical and physical properties of the elements… …   Universalium

  • Periodic table — This article is about the periodic table of the elements . For other uses, see The Periodic Table. The periodic table of the chemical elements (also known as the periodic table or periodic table of the elements) is a tabular display of the 118… …   Wikipedia

  • periodic table — /pear ee od ik, pear /, Chem. a table illustrating the periodic system, in which the chemical elements, formerly arranged in the order of their atomic weights and now according to their atomic numbers, are shown in related groups. [1890 95] * * * …   Universalium

  • The Urantia Book —   Cover of the …   Wikipedia

  • system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… …   Medical dictionary

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