Luxury First 20 Elements Of the Periodic Table
- 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 was eventually invented by Russian chemist Dmitri Mendeleev in 1869 to look for the periodic trends with the properties of elements.
Illustration of the first 20 elements in the periodic table
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Wonderful first 20 elements of the periodic table
The weather are listed according to their increasing atomic numbers. Rows are arranged in a way that elements with the exact same 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). Usually there are some groups that enjoy non-systematic names as well. But not only could be the groups on the periodic table, another sort of groupings of elements often named as well. There're lanthanoids and actinoids.
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Fancy first 20 elements of the periodic table
In 2006, the periodic table contained 117 periodic elements. Out of those, 92 are merely naturally on the planet, and the remainder are artificial elements.