Arrangement of elements in order of increasing atomic numbers, created by a scientist called Mendelejef. The periodic chart is bestowed as the heat of chemistry and is used as a means of listing the elements. Elements are organized in a way that structure their atoms on the table. Including the number of protons existing and the number of elections within their outer shell. Each element is given its own specific abbreviation and name on the periodic chart and are made simple as possible for easy memory.