Unique History Of Periodic Table Of Elements
- The periodic table of elements can be described as table which shows the arrangement of chemical elements ordered by atomic numbers in columns and rows. It's designed by Russian chemist Dmitri Mendeleev in 1869 to determine the periodic trends with the properties of elements.
Original version of the Periodic Table of elements published in 1869 by the Russian chemist Dmitri
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Fantastic history of periodic table of elements
The sun and rain are listed reported by their increasing atomic numbers. Rows are arranged in a way that elements with just one properties set the identical vertical columns. The groups or columns are numbered 1-18. The arrangement is Group 1(alkali metals), Group 2(alkaline earth metals), Group 15 (pnicogens), Group 16(chalcogens), Group 17(halogens) and Group 18(noble gases). You'll find groups that enjoy non-systematic names as well. Not only are the groups on the periodic table, a few other groupings of elements often named as well. They are lanthanoids and actinoids.
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Latest history of periodic table of elements
In 2006, the periodic table contained 117 periodic elements. Out of which, 92 you find naturally across the world, and the remainder are artificial elements.