Once you try this game you will find it hard to give up until you win, and winning is not easy. Enjoy the game. This is sample chemical game with periodic table elements. Swipe to move the tiles. When two tiles with the same chemical element touch, they merge into one tile with a chemical element that is next in the Periodic Chart! Join elements and make Na tile! H+H->He, He+He->Li etc. The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number