Matching Pairs The Mole Matching GameOnline version Match the concepts related to 'The Mole' story and its characters in this fun game! by Globoi Ej 1 Mole ration 2 Avogadro’s number 3 Stoichiometry 4 Reactants 5 Products 6 Limiting reagent 7 Percent composition 8 Excess reagent ratio between the amount of moles of compounds in a chemical reaction reactant that’s not used up in a reaction percentage of each element that makes up a specific compound reactant that get used up in a chemical reaction the determination of proportions which elements react with one another what is formed from a chemical reaction a substance that undergoes change during a reaction 6.02x10^23