The science that studies the properties of substances and how substances react with one another.

Energy stored within the structural units of chemical substances

An equation that uses chemical symbols to show what happens during a chemical reaction.

A state in which the rates of the forward and reverse reactions are equal.

An expression showing the chemical composition of a compound in terms of the symbols for the atoms of the elements involved

The area of chemistry concerned with the speeds, or rates, at which chemical reactions occur

Any property of a substance that cannot be studied without converting the substance into some other substances.

The branch of chemistry that deals with the use of chemical reactions to produce electricity, the relative strengths of oxidizing and reducing agents, and the use of electricity to produce chemical change.

The branch of chemistry that deals with compounds other than organic compounds.

The branch of chemistry that deals with carbon and usually hydrogen compounds, excluding carbohydrates.

The study of the structure of nuclei, of the changes this structure undergoes, and of the consequences of those changes for chemistry.

The study of heat changes in chemical reaction

A substance consisting of atoms of two or more elements in a defined ratio.

A substance that cannot be separated into simpler substances by chemical means; e.g.: C, N, Fe, Na, etc

A type of matter that consists of more than one substance and may be separated into components by making use of the different physical properties.

A mixture in which the individual components, although mixed together, lie in distinct regions, even on a microscopic scale; e.g.: a mixture of sand and sugar, etc.

A mixture in which the individual components are uniformly mixed, even on an atomic scale

Substance that is formed as the result of a chemical reaction.

Starting materials in a reaction that interact with each other

a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together, e.g., many synthetic organic materials used as plastics and resins.

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