What is the smallest unit of matter that retains the properties of an element?

• Molecule

• Atom

• Solid

• Liquid

Which of the following is a pure substance consisting of only one type of atom?

• Compound

• Molecule

• Element

• Mixture

What is formed when two or more atoms bond together?

• Atom

• Molecule

• Solid

• Gas

Which state of matter has a definite shape and volume?

• Liquid

• Gas

• Solid

• Plasma

Which state of matter takes the shape of its container but has a definite volume?

• Solid

• Gas

• Liquid

• Plasma

Which state of matter has no definite shape and no definite volume?

• Solid

• Liquid

• Gas

• Element

What term describes a liquid's resistance to flow?

• Density

• Viscosity

• Phase

• Volume

What is the process of a substance changing from one state of matter to another called?

• Phase Change

• Freezing

• Melting

• Sublimation

Which phase change occurs when a solid becomes a liquid?

• Freezing

• Vaporization

• Condensation

• Melting

What is the process where a liquid turns into a solid?

• Melting

• Freezing

• Condensation

• Vaporization