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Chemical Reactions! LG: I can state the signs of chemical change and describe reactions using word and chemical equations
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!
