Two or more simple substances combine to form a more complex substance.
Key Characteristics
Look for two simple reactants forming one complex product.
Real-World Example
Rust formation: 4Fe + 3O2 ? 2Fe2O3
Balancing Tip
Start by balancing atoms that appear in only one reactant and one product. Leave Hydrogen and Oxygen for last, as they often appear in multiple compounds.
How to Use
- 1Select the type of reaction you want to study.
- 2Read the description and generic formula.
- 3Use this guide to classify your specific chemical equation.
Reaction Types
A + B ? ABVariables:
A, B, CElements or IonsExample
Inputs:
Steps:
- 1.2Na + Cl2 ? 2NaCl
- 2.Sodium combines with Chlorine to form Sodium Chloride.
