Chemical Reactions

Key COncpets

• Write chemical equations using coefficients & subscripts.
• Identify the corrects number of significant figures.
• Identify the meaning of symbols in chemical equations.

Key COnCEPTS

• Learn the Seven Diatomic Elements.
• Predict products of chemical reactions.
• Identify the types of chemical reactions. 
• Balance Chemical Equations

CheMical reaction examples

• Rusting Iron
• A piece of Wood burning
• An apple ripening

Types of reactions

• Decomposition
• Combination
• Single-replacement
• Double-replacement
• Combustion

Signs that a chemical reaction has occured

• Precipitation
• Gas is Produced (bubbling)
• Evolution of heat and light
• Temperature Change
• Change in smell or color

Seven Diatomic Elements

Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Iodine, Bromine