Chemical Reactions! LG: I can state the signs of chemical change and describe reactions using word and chemical equations
What is a Chemical Reaction? • A Chemical Reaction is an event that causes the atoms of the reactants to be rearranged or re-grouped to form products H2 + Cl2 2 HCl
Signs of Chemical Change • What clues tell you a chemical reaction has occurred?
Activity! • Observe various changes and decide whether a chemical reaction has occurred. • Be sure to explain your choice!