Seating charts have never been easier. Place periodic table elements on desks and give mixed-up atomic numbers 1-40 to students as they enter and you’re done!4 Versions available!Elements 1-40 with namesElements 1-40 without namesElements 1-40 color-coded by periodic categories (alkali metals, alkaline earth metals, transition metals, metalloids, halogens, noble gases, other metals, and other nonmetals)Elements 1-40 split into one category per page so that you could print each on their own colo