The spreadsheet is programmed to randomize elements/items from a list till a "0" is entered. This allows students to try different problems each time. Answers are given by entering the code "1" where the periodic table will color in the answers or the answers are revealed from the shaded areas. Sheets are protected by password "123" so students can only change the yellow boxes. This Excel spreadsheet has multiple tabs that test:Metals, Nonmetals, and MetalloidsElement Family NamesCharge and