This 2-sided chart is 3-hole punched and laminated. The front of the chart folds out to 11 × 16-1/2" and includes each element's name, atomic number, symbol, number of electrons per shell, electronegativity, relative atomic mass, and electron configuration. The back features a vivid, real-world image of each element plus the density, melting and boiling points, and rounded atomic mass along with a key to determine its state of matter. Includes elements through 118.