Matter Review

When two or more substances are physically combined, the result is a(n) .

• chemical change

• element

• compound

• mixture

As a sample of matter is heated, its particles

• are unaffected

• move more quickly

• move more slowly

• stop moving

The most common state of matter in the universe is

• solid

• liquid

• gas

• plasma

Which of the following is evidence that a physical change has occurred?

• Broken glass

•  Rust

• Bubbles

• Formation of a solid precipitate

The amount of energy needed to change a material from the solid state to the liquid state is the heat of 

• condensation

• vaporization

• fusion

• evaporation

CaCO2 is an example of which type of matter?

• Element

• Compound

• Homogeneous mixture

• Heterogeneous mixture

 In which phase of matter are the molecules of the substance farthest apart from each other?  

• solid

• liquid

• gas

• crystal

A flask containing molecules of gas A and a separate flask containing molecules of gas B are both at the same temperature.  Gases A and B must have equal 

• volumes

• masses

• pressures

• average kinetic energy

Hydrogen, Gold, and Iron are all examples of

• homogeneous mixtures

• heterogeneous mixtures

• elements

• compounds

A type of matter formed by chemically joining two or more elements is known as a 

• compound

• solution

• colloid

• suspension