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Mendeleyev's periodic law

См. также в других словарях:

  • 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

  • Mendeleyev, Dmitry Ivanovich — ▪ Russian scientist Introduction Mendeleyev also spelled  Mendeleev   born January 27 (February 8, New Style), 1834, Tobolsk, Siberia, Russian Empire died January 20 (February 2), 1907, St. Petersburg, Russia  Russian chemist who developed the… …   Universalium

  • Mendeleev's law — Men·de·le·ev s law or Men·de·lé·ef s law also Men·de·ley·ev s law .men də lā efs n PERIODIC LAW Mendeleyev Dmitry Ivanovich (1834 1907) Russian chemist. Mendeleyev made a fundamental contribution to chemistry by proving that all chemical elements …   Medical dictionary

  • atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …   Universalium

  • chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium

  • Dmitri Mendeleev — in 1897 Born 8 February 1834( …   Wikipedia

  • rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …   Universalium

  • Metalloid —   13 14 15 16 17   2  B Boron …   Wikipedia

  • Nobel Prize controversies — Nobel Prize Awarded for Outstanding contributions in physics, chemistry, literature, peace, and physiology or medicine. The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel, identified with the Nobel Prize, is awarded for… …   Wikipedia

  • physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction       the systematic study of the inorganic world …   Universalium

  • Timeline of chemistry — lists important works, discoveries, ideas, inventions, and experiments that significantly changed mankind s understanding of the composition of matter and of the interactions thereof, the modern science known as chemistry. The history of… …   Wikipedia

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