7I States of Matter EOTT

One of the properties of solids is that they (a)   .

• have a fixed shape and volume.
• flow easily and take the shape of the container
• can be compressed easily.
• have no definite volume.

Match the following statements about liquids and gases with the correct property.

• Incorrect statement about gases having fixed volume

• Gases have a fixed volume, liquids do not.

• Statement about shape of liquids and gases

• Liquids have a fixed shape, gases do not.

• Incorrect statement about both having fixed shape and volume

• Both have a fixed shape and volume.

• Statement about volume of liquids and gases

• Liquids have a fixed volume, gases do not.

According to the particle model, how are particles arranged in a solid?

• Randomly and far apart

• Closely packed in a regular pattern

• Loosely arranged and able to move past each other

• Not moving at all

What happens to the particles of a substance when it melts?

• They move closer together

• They move further apart and slide past each other

• They stop moving

• They become fixed in place

Which process describes a solid changing directly into a gas?

• Melting

• Condensation

• Sublimation

• Freezing

What is diffusion?

• The process of a solid turning into a liquid

• The movement of particles from an area of high concentration to low concentration

• The process of a liquid turning into a solid

• The process of a gas turning into a liquid

Match each state of matter with its characteristic behavior of particles.

• Particles are tightly packed and vibrate in place.

• Solid

• Particles are close together but can move past each other.

• Liquid

• Particles are ionized and conduct electricity.

• Plasma

• Particles move freely and fill the entire container.

• Gas

What is the process called when a liquid changes into a gas?

• Freezing

• Condensation

• Evaporation

• Melting

Which of the following is NOT a characteristic of a mixture?

• Components can be separated physically

• Components are chemically combined

• Components retain their individual properties

• Can be made of two or more substances

What is solubility?

• The ability of a substance to conduct electricity

• The ability of a substance to dissolve in a solvent

• The ability of a substance to change state

• The ability of a substance to float