Quiz #1 Chemical Rxns and Safety 1.If you don’t know what to do in a lab, what should you do? 2.What is the correct way to write the formula for oxygen?
Quiz #4 Chemical Rxns and Safety
Quiz #4 Chemical Rxns and Safety 1.Why is it important to avoid eating in a chemistry lab? 2.What is the correct way to write the formula for Chlorine?
Quiz #1 Chemical Rxns and Safety
Quiz #5 Chemical Rxns and Safety
Chemical Reactions: Chapter 9 Reactants change chemical and physical properties …. to become new substances made from the same elements; these are called.