Unit 4- Properties of Matter & Bonds FINAL Review

Front

What is density?

Back

Density is the mass of an object divided by its volume, typically expressed in grams per cubic centimeter (g/cm³).

Front

How do you determine which of two objects with the same volume is more dense?

Back

The object with the greater mass is more dense.

Front

What happens to an object that is denser than the liquid it is placed in?

Back

It will sink to the bottom of the liquid.

Front

What is an intermolecular force?

Back

Intermolecular forces are forces of attraction or repulsion between neighboring particles (atoms, molecules, or ions).

Front

What is an intramolecular force?

Back

Intramolecular forces are forces that hold atoms together within a molecule.

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

Give an example of a physical change.

Back

Water evaporating is an example of a physical change.

Front

What is a chemical change?

Back

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

Front

Give an example of a chemical change.

Back

Paper burning is an example of a chemical change.

Front

What is the boiling point of a substance?

Back

The boiling point is the temperature at which a substance changes from a liquid to a gas.