This periodic table has all the information I could think of at once, including diatomic elements. The color coding shows non-metals, gases, solids, liquids, metalloids, metals, chemical families. I print the periodic table in color and then print the ion chart on the back with a copier or laser printer. Make sure that your copy of Excel has printed the + and - signs correctly in front of the numbers at the top of the columns. Give them out in sheet protectors and they tend to last the whole sch