Mendeleev and the Periodic Table

Dmitri Mendeleev was an excellent sorter. His periodic table has withstood the test of time, with very few changes. How are your sorting skills? Are you ready to try your luck sorting? In this interactivity, drag and drop each sticky note into the correct column or row, and click SUBMIT to check your response(s). Click on the interactivity thumbnail, and then click NEXT to get started.