Lovely Chemistry Periodic Table
- The periodic table of elements is definitely a table which shows the arrangement of chemical elements ordered by atomic numbers in columns and rows. It turned out invented by Russian chemist Dmitri Mendeleev in 1869 to discover the periodic trends on the properties of elements.
Periodic table of elements
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Terrific chemistry periodic table
The weather are listed based on their increasing atomic numbers. Rows are arranged so that elements with similar properties fit into similar 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). Usually there are some groups that enjoy non-systematic names as well. But not only will be the groups on the periodic table, other sorts of groupings of elements often named as well. They're just lanthanoids and actinoids.
Award winning periodic table with user friendly element data and facts Cool online chemistry videos dictionary tools and forum
Stunning chemistry periodic table
In 2006, the periodic table contained 117 periodic elements. Out worth mentioning, 92 are only naturally on the planet, and other parts are artificial elements.