The most up-to-date version of the periodic table of the elements is presented on this colorful and informative chart. The chart displays all 118 known elements, including the four recently added elements: nihonium, moscovium, tennessine, and oganesson. The table is color-coded into 10 common element families to aid students in recognizing elements with similar characteristics. The chart includes basic facts about each element: atomic number, element symbol, element name, and (where available) atomic weight. This fresh take on the iconic science reference is available just in time for 2019, which is the International Year of the Periodic Table and the 150th anniversary of the periodic table's discovery. Great for grades 4-12. Chart measures 17" x 22" .Back of chart provides basic background information.