![]() ![]() The periodic table, commonly known as the elements in the periodic table, is a list of all 118 chemical elements that have been discovered. Each group is made up of elements with the same electrical arrangement on their outer shells.The numbers 1 to 18 refer to the different groupings.The periodic table consists of 18 groupings.The contemporary or extended form of a periodic table has vertical columns called groups. The number of the shells or energy levels in an atom of that element is represented by each period.The actinides are a group of 14 elements there in the seventh period. A separate section at the bottom of the lengthy version of the periodic table.With 32 components, this addition brings the 7th phase to a close. Four new elements respectively 113,115,117 and 118 have been added to the periodic table’s seventh period.The 6th period, on the other end, has 32 components.The fourth and fifth gained 18 elements per period. ![]()
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