Topic 1: Properties of Matter

Front

atom

Back

the basic unit of matter

Front

molecule

Back

two or more atoms joined by chemical bonds

Front

gas

Back

substance in which particles are far apart and don’t stay in contact with each other

Front

density

Back

the amount of mass in a given amount of space, measured in a unit of mass per unit volume

Front

pure substance

Back

substance that consists of just one type of particle and is the same throughout

Front

heterogeneous mixture

Back

mixture made of parts that are easily identified and can be separated

Front

element

Back

substance that contains only one type of atom and cannot be broken down into a simpler form

Front

periodic table

Back

A chart that organizes all known elements according to patterns in their properties.

Front

luster

Back

Shininess.

Front

malleability

Back

Ability to be easily hammered and shaped.