Types of Matter

What is all matter made of?

• Atoms only

• Different types or combinations of particles

• Molecules only

• Pure substances only

What determines the classification of a substance?

• The color of the substance

• The temperature of the substance

• How their particles are arranged

• The size of the particles

Which of the following is NOT a way to classify matter?

• By its color

• By its particle arrangement

• As pure substances or mixtures

• By its properties

Which of the following best describes a pure substance?

• A mixture of different particles

• A substance with a consistent particle arrangement

• A substance with varying properties

• A substance that changes color

What is a characteristic of mixtures?

• Composed of a single type of particle

• Cannot be separated by physical means

• Have two or more different types of particles

• Only exist in solid form

Which of the following is NOT an example of a mechanical mixture?

• Pizza

• Salad

• Nut mix

• Saltwater

In a homogeneous mixture, how are the substances distributed?

• Unevenly

• Randomly

• Evenly

• Separately

How many types of pure substances are there?

• One

• Two

• Three

• Four

What are elements considered to be?

• The most pure kind of substances

• Mixtures of different substances

• Compounds of multiple atoms

• Solutions of various elements

What happens to a molecule during a chemical reaction?

• It remains unchanged

• It comes apart

• It becomes a single atom

• It disappears