Each element box contains the element symbol, full name, atomic number, mass number, and correct electron configuration (known or predicted as of April 2014; if there is an update from scientific discoveries, I will update the file set for you!). In this package, you will receive all 118 element box diagrams in 300 dpi .png files. These images work great for PowerPoint presentations, quiz/worksheet headers, or printed just as they are for classroom decorations! I like my students to see the