Unit 4 Vocabulary

1. When substances collide with sufficient energy and orientation to make/break chemical bonds or transfer electrons.

1. A reaction in which one product is formed from two or more reactants.

1. A reaction in which one reactant is split into two or more products.

1. A reaction in which one ion is replaced by another of a similar charge.

1. A reaction in which two ions are replacing one another.

1. A reaction in which a chemical is reacting with oxygen to produce heat and light. Usually involves a hydrocarbon burning to form carbon dioxide and water.

1. The representation of a chemical reaction using chemical formulas to indicate what substances are being altered or created during chemical reactions.

1. The chemicals that are being chemically changed in a chemical reaction. Found on the left side of the arrow in a chemical equation. 

1. The chemicals resulting from a chemical reaction. Found on the right side of the arrow in a chemical equation.

1. An insoluble (solid) substance that is formed from two soluble (aqueous) substances.