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Chemical Reactions

Combination or Synthesis Two or more substances combine together to form one compound.
Decomposition A compound decomposes into two or more substances.
Combustion All elements combine with oxygen. The most common is the burning of a hydrocarbon (carbon and hydrogen only) to produce carbon dioxide and water.
Single replacement One element replaces either the anion or cation in a compound. The replaced ion is written in elemental form. Metals replace metals, nonmetals replace nonmetals.
Double replacement Two compounds react and exchange cations. Remember when forming a new compound, a cation combines with an anion.
Created by: daydreamer67