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Metals reside on the left side of the table while non metals reside on the right. Other resources related to the periodic table. Periodic Table Wallpaper Hd 1920 1080 Download Apologia The periodic table also known as the periodic table of elements is organized so scientists can quickly discern the properties of individual elements such as their mass electron number electron configuration and their unique chemical properties. Periodic table of elements . He organized the elements by atomic number which is equal to the number of protons found in the nucleus of the element s atoms. Ie decreases going down a column of the periodic table and increases from left to right in a row. It is organized in order of increasing atomic number. The periodic table of the elements was first introduced in the mid 19th century by dmitry mendeleev. It is organized in order of increasing atomic number. The periodic table is a tabular array of the chemical elements organized by atomic number fro...