Classification of Matter and Chem/Phys Change Review

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What characterizes a solid state of matter?

Back

A solid has a fixed shape and a fixed volume.

Front

What characterizes a liquid state of matter?

Back

A liquid has a fixed volume but takes the shape of its container.

Front

What characterizes a gas state of matter?

Back

A gas has neither a fixed shape nor a fixed volume; it expands to fill its container.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change occurs when a substance transforms into a different substance with different properties.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the composition is uniform throughout.