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Ie decreases going down a column of the periodic table and increases from left to right in a row. Chemical elements alphabetically listed the elements of the periodic table sorted by name in an alphabetical list. Science Elements Periodic Table 1457x858 Wallpaper Art Hd This is a list of the 118 chemical elements which have been identified as of 2019. Periodic table elements list . A chemical element often simply called an element is a species of atoms which all have the same number of protons in their atomic nuclei i e the same atomic number or z. The element name and element symbol will need to be reviewed and approved by the iupac before inclusion on the periodic table. Click on any element s name for further chemical properties environmental data or health effects. This list contains the 118 elements of chemistry. Thus alkali metals have the lowest ie in a period and rare gases have the highest. The element names and symbols may be proposed by the element discoverer bu