Chemistry Vocabulary Chapter 11

Chemistry 

14 cards   |   Total Attempts: 182
  

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Balanced Equation
A chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element.
Catalyst
A substance that increases the rate of reaction by lowering the activation-energy barrier
Chemical equations
An expression representing a chemical reaction; reactants--->products
Coefficients
A small whole number that appears in front of a formula in a balanced chemical equation.
Combination reaction
A chemical change in which two or more substances react to forma single new substance.
Combustion reaction
A chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light.
Complete ionic equation
An equation that shows dissolved ionic compounds as dissociated free ions.
Decomposition reaction
A chemical change in which a single compound is broken down into two or more simpler products
Double-replacement reaction
A chemical change that involves an exchange of positive ions between two compounds
Net ionic equation
An equation for a reaction in solution showing only those particles that are directly involved in the chemical change.
Single-replacement reaction
A chemical change in which one element replaces a second element in a compound
Skeleton equation
A chemical equation that does not indicate the relative amounts of reactants and products
Spectator ion
An ion that is not directly involved in a chemical reaction
Activity series
Lists metals in order of decreasing reactivity