Beautiful First Element On the Periodic Table
- The periodic table of elements can be a table which shows the arrangement of chemical elements ordered by atomic numbers in columns and rows. That it was invented by Russian chemist Dmitri Mendeleev in 1869 to determine the periodic trends on the properties of elements.
Illustration of the first 20 elements in the periodic table
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Lovely first element on the periodic table
The next thunderstorm are listed as outlined by their increasing atomic numbers. Rows are arranged in such a way that elements with just one properties in the latter group precisely the same 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. Not only are the groups inside periodic table, some other groupings of elements often named as well. They are simply lanthanoids and actinoids.
Periodic table of elements
Wonderful first element on the periodic table
In 2006, the periodic table contained 117 periodic elements. Out of the, 92 you find naturally on the globe, and the rest are artificial elements.