Stoichiometry: Writing Chemical Formulas | GCE O-Level Upper Secondary Chemistry |

Find out more about Genie Education Hub @ https://www.genieeduhub.com/ Instagram |   / genieeduhub   Teacher Bao Cai |   / laibaocai   ____ Today we learn how to write Chemical Formulas. Let's Go! ____ Genie Education Hub is a tuition centre that specializes in making Primary, Secondary, JC level Math and Science very interesting. Contact us to book your free trial!