【實用教育app】Atomic Mass Calculating Device|最夯免費app-綠色工廠好玩App

This calculator is a useful tool for anyone needing to quickly calculate the molecular mass of any molecule. Touch the atoms on the periodic table to make your molecule and then press calculate to see what percentage of each atom is to the weight of the molecule and the total weight of the molecule.You can even send the readout of your newly created molecule to your favorite scientist!