Elements, Compounds and Mixtures

Front

A pure substance that cannot be broken down by chemical or physical means.

Back

Element

Front

One or more substances are changed into new substances that have new and different properties.

Back

Chemical change

Front

Two or more elements chemically combined in a set ratio.

Back

Compound

Front

Two or more substances in the same place but not chemically combined.

Back

Mixture

Front

Does not form a new substance.

Back

Physical change

Front

A well-mixed mixture.

Back

Solution

Front

Two or more atoms chemically combined.

Back

Molecule

Front

A one or two letter set of characters used to identify an element.

Back

Chemical symbol

Front

Number to the bottom right that tells how many of each atom is in a molecule or compound.

Back

Subscript

Front

Number in front that tells how many molecules or compounds of a given formula are present.

Back

Coefficient