Properties, Classification and Changes of Matter

The simplest forms of matter

• Solution

• Compound

• Element

• Mixture

Amount of matter contained in an object

• Length

• Volume

• Pure Substance

• Mass

Matter that has a definite volume but no definite shape

• Gas

• Liquid

• Solid

• Plasma

Starting materials in a chemical change

• Products

• Reactions

• Reactants

• Gases

Examples of pure substances

• Solid and liquids

• Elements and compounds

• Reactants and products

• Solutions

Chemical properties of a substance include

• Flammability

• Density

• Mass

• Color

Which of these is a physical property?

• Having a definite shape

• Able to flow

• Occupies the entire container

• All of the above

A heterogeneous mixture

• Looks the same everywhere

• Has a fixed composition

• Is a pure substance

• May exist in two layers or phases

A mixture can sometimes _______, but a compound is always ______________.

• heterogeneous, homogeneous

• homogeneous, heterogeneous

• pure, impure

• a solid, a liquid

Matter does not become a different substance during a

• physical change

• chemical change

• reaction

• chemical reaction