Classification of Matter Vocabulary

Flashcards covering key definitions and examples for the classification of matter from Unit 1.1 notes.

Mixture

Two or more substances that are physically combined. Examples include Chex Mix.

Pure substance

Classification of matter made up of all the same type of atom, all the same molecules, or all the same ionically bonded elements. Examples include salt, pure water, diamonds, and gold.

Homogeneous mixture

A combination of 2 or more substances that have a completely uniform composition and appearance throughout. Examples include brass, coffee, and air.

Heterogeneous mixture

A combination of 2 or more substances where the composition is not uniform throughout. Examples include salad, ice cubes in a drink, and fog.

Element

Matter made up of a single type of atom and often has a specific number of protons. Examples include $Li$, $O_2$, and $O_3$.

Compound

Matter made up of 2 or more different elements that are chemically combined. Examples include $H_2O$ and $CO_2$.