periodic law การใช้

• Almost every chemist makes extensive and continued use of Periodic Law.
• Odling alluded to the idea of a periodic law but did not pursue it.
• Gradually the periodic law and table became the framework for a great part of chemical theory.
• Periodic Law also led to the development of the periodic table, which is widely used nowadays.
• Discovery of Periodic Law constitutes one of the most singularly important events in the history of chemical science.
• These weights were an important prerequisite for the discovery of the periodic law by Dmitri Mendeleev and Lothar Meyer.
• The subsequent proof of many of his predictions within his lifetime brought fame to Mendeleev as the founder of the periodic law.
• It is commonly believed that the periodic law, represented by the periodic chart, is echoed in the behavior of molecules, at least small molecules.
• A point mass falls with a constant acceleration vertically on the infinitely heavy horizontal wall, which moves vertically in accordance with analytic periodic law in time.
• It was named after the great Russian scientist Dmitri Mendeleev, the discoverer of the Periodic law, the establishment of which established scientific foundation for world's most further chemical research.
• Chemical experiments on the element proved that Mendeleev's suggestions were correct; along with discovery and characterization of gallium and germanium this proved the correctness of the whole periodic table and periodic law.
• Meyer, as well as other chemists, was doubtful about Mendeleev's periodic law, and he criticized Mendeleev for " changing existing elements'atomic weights, only regarding possibility of periodical law in its structure ".
• Date of readings is due to two dates : birthday of Dmitri Mendeleev ( 8 February 1834 ), and sending messages to them on the opening Periodic Law ( March 1869 ).
• :: : : Done " Its position in the periodic table is between rhenium and manganese and as predicted by periodic law its properties are intermediate between those two elements . "-- mav
• Mendeleev questioned some of the currently accepted atomic weights ( they could be measured only with a relatively low accuracy at that time ), pointing out that they did not correspond to those suggested by his Periodic Law.
• The Royal Chemistry Society acknowledged Newlands'contribution to science in 2008, when they put a Blue Plaque on the house where he was born, which described him as the " discoverer of the Periodic Law for the chemical elements ".
• It is this periodicity of properties, manifestations of which underlying theory was developed, that led to the establishment of the periodic law ( the properties of the elements recur at varying intervals ) and the formulation of the first periodic tables.
• ;1860 : Stanislao Cannizzaro, resurrecting Avogadro's ideas regarding diatomic molecules, compiles a table of atomic weights and presents it at the 1860 Karlsruhe Congress, ending decades of conflicting atomic weights and molecular formulas, and leading to Mendeleev's discovery of the periodic law.
• J . A . R . Newlands ( 1837 1898 ), the Victorian chemist who discovered the Periodic Law for the chemical elements, was born and raised in No . 19 . A blue plaque, installed by the Royal Society of Chemistry, commemorates Newlands on the front of the house.
• Mendeleev had such faith in the validity of the periodic law that he proposed changes to the generally accepted values for the atomic weight of a few elements and, in his version of the periodic table of 1871, predicted the locations within the table of unknown elements together with their properties.