Why are some elements on the Periodic Table represented by letters

Some elements were known in ancient times and therefore carry over their Latin names Periodic Table 2019 Photo by N Hanacek

Periods are the rows of the periodic table, groups are the columns Every element has a unique combination of period and group, and a unique atomic number

elements A total of 118 elements make up the periodic table In 2016, four of them got a mention Nihonium , Moskovi , Tennessine , and Oganesson

j league table Mendeleev discovered the periodic table while attempting to organise the elements in February of 1869 He did so by