Review of Mixtures and Pure Substances

Fill-in-the-blank flashcards based on key concepts of mixtures and pure substances from the lecture notes.

A pure substance that contains only one type of atom is called __.

Element

A pure substance that contains at least two different elements chemically combined is known as a __.

Compound

Metals are typically __ at room temperature.

solid

Nonmetals are generally __ when they are solids.

brittle

Brass is an alloy made up of and .

copper (Cu) and zinc (Zn)

A mixture looks the same throughout, while a mixture looks different from location to location.

Homogeneous; Heterogeneous

Filtration is a process that separates a solid from a liquid based on __.

particle size

Aqueous means that __ is involved as the dissolving medium.

water

The purpose of alloys is to __ the properties of pure metals.

improve