Study of Matter Quiz

What defines a pure substance?

• A mixture that varies in composition

• Made of a single element or compound

• A homogenous mixture with medium-sized particles

• A substance of two or more different elements

Which term describes a substance of two or more different elements?

• Mixture

• Solution

• Colloid

• Compound

What is a solution?

• A heterogeneous mixture with large particles

• A homogenous mixture with tiny particles

• A mixture that has the same composition throughout

• A mixture that varies in composition

What is a colloid?

• A homogenous mixture with medium-sized particles

• A substance of two or more different elements

• A heterogeneous mixture with large particles

• A mixture that has the same composition throughout

What is a suspension?

• A homogenous mixture with tiny particles

• A mixture that has the same composition throughout

• A heterogeneous mixture with large particles

• A substance of two or more different elements

What does heterogeneous mean in the context of mixtures?

• A mixture with tiny particles

• A mixture that has the same composition throughout

• A mixture that varies in composition

• A mixture with medium-sized particles

Which of the following is an example of a diatomic molecule?

• H2O

• CO2

• C6H12O6

• NaCl

Which of the following statements is true about compounds and molecules?

• The number/types of all atoms for all molecules are different

• All molecules are compounds

• All compounds are molecules, but not all molecules are compounds

• Compounds cannot be made of hydrogen and oxygen

How do the properties of reactants/components compare to the properties of the product/compound they form?

• The properties of the reactants/components and the product/compound are always the same.

• The properties of the reactants/components are always different from the properties of the product/compound.

• The properties of the reactants/components may be different than the properties of the product/compound.

• The properties of the reactants/components and the product/compound cannot be compared.

What type of molecular structure is described as regular/repeating?

• Metallic

• Crystalline

• Covalent

• Ionic