Classification of Matter Quiz

What is the primary characteristic of matter?

• It is invisible.

• It takes up space and has mass.

• It is always a liquid.

• It cannot be classified.

Which of the following is a pure matter with a fixed composition?

• Mixture

• Heterogeneous mixture

• Homogeneous mixture

• Element

What distinguishes a compound from an element?

• A compound can be broken down into simpler substances.

• A compound is made of one type of atom.

• An element is a mixture of substances.

• An element has a variable composition.

How can you identify a homogeneous mixture?

• It is always a solid.

• It contains only one type of atom.

• It has a uniform composition throughout.

• It has visible different parts.

What is the first question to ask when classifying matter?

• Can it be broken down?

• Is it visible?

• Does it have a fixed composition?

• Is it a liquid?

If a matter does not have a fixed composition, what is it classified as?

• Compound

• Substance

• Mixture

• Element

What is the classification of sodium (Na)?

• Compound

• Element

• Homogeneous mixture

• Heterogeneous mixture

Why is salt (NaCl) considered a compound?

• It has a fixed composition and contains more than one type of atom.

• It is a mixture of substances.

• It has a variable composition.

• It is a single element.

What type of mixture is saline (salt water)?

• Homogeneous mixture

• Compound

• Heterogeneous mixture

• Element

How can you tell if a mixture is heterogeneous?

• It is always a liquid.

• It has visibly different parts.

• It contains only one type of atom.

• It has a uniform appearance.