Basic Chemistry Concepts

Front

Matter

Back

Anything that has mass and takes up space.

Front

Substance

Back

A single kind of matter that is pure and has a specific set of properties.

Front

Physical property

Back

A characteristic of a pure substance that can be observed without changing it into another substance.

Front

Chemical property

Back

A characteristic of a substance that describes its ability to change into different substances.

Front

Atom

Back

The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.

Front

Element

Back

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

Front

Molecule

Back

A neutral group of two or more atoms held together by covalent bonds.

Front

Compound

Back

A substance made of two or more elements chemically combined in a specific ratio, or proportion.

Front

Mixture

Back

Two or more substances that are together in the same place but their atoms are not chemically bonded.