Physics Of The Periodic Table - 1506 Words

The Periodic Table Chemically speaking, the periodic table was a major factor in improving the study of elements, in which then the study of these elements expands into broader studies such as atoms and sub-atoms. This essay will talk about the history of the development of the periodic table and will further discuss the how and why it was created. Moreover, it will include the history of various chemists that contributed in the improvement of the table such as Johann Wolfgang Dà ¶bereiner, John Newlands, Dmitri Mendeleev, Henry Moseley, Glenn T. Seaborg. The periodic table is a tabular arrangement of the chemical elements, organized on the substratum of their atomic number (number of protons in the nucleus), electron configurations, and†¦show more content†¦As a result, a periodic table provides an utilizable framework for analyzing chemical manner, and so the tables, in diverse forms, are widely utilized in chemistry and other sciences. In 1817, Johann Wolfgang Dà ¶bereiner commenced to formulate one of the earliest endeavours to relegate the elements. In 1829, he found that he could compose some of the elements into groups of three, with the members of each group having cognate properties. He termed these groups as triads. Some of the triads that were relegated by Dà ¶bereiner are chlorine, bromine, and iodine, also calcium, strontium, and barium, and sulfur, selenium, and tellurium and finally lithium, sodium, and potassium. In all of the triads, the atomic weight of the middle element was virtually precisely the average of the atomic weights of the other two elements. In 1865, few years after the discovery of the triads, the English chemist John Newlands relegated the fifty-six kenned elements into eleven groups, predicated on their physical properties. Newlands noted that many pairs of like elements existed, which differed by some multiple of eight in mass number, and he was the first to assign them an atomic number. When his law of octaves was printed in Chemistry News, likening this periodicity of eights to the musical scale, it was ridiculed by some of his contemporaries. His lecture to the