Physical and Chemical Properties

Front

What happens during a chemical change?

Back

Both the identity and the properties of a substance change.

Front

Which state of matter has molecules that spread out and move fast?

Back

Gas

Front

What is the metric unit used to measure the volume of solid objects?

Back

cm³

Front

What is the ability to conduct electricity called?

Back

Conductivity

Front

Which characteristic of a substance is considered a chemical property?

Back

Its reactivity.

Front

What is a physical property?

Back

A characteristic that can be observed without changing the substance's identity.

Front

What is a chemical property?

Back

A characteristic that describes a substance's ability to undergo changes that transform it into different substances.

Front

What happens to the physical properties of a substance during a chemical change?

Back

They change along with the identity of the substance.

Front

What is the difference between a solid, liquid, and gas in terms of molecular movement?

Back

Solids have tightly packed molecules that vibrate, liquids have loosely packed molecules that can slide past each other, and gases have widely spaced molecules that move freely.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.