Science - Chemistry 2 Test

Anything that had mass or takes up space

• Matter

• Element

• Compound

• Mixture

A pure substance which consists of only one type of atom.

• compound

• mixture

• element

• matter

A pure substance containing 2 or more different types of atoms. They are chemically combined into a fixed ratio.

• mixture

• compound

• matter

• element

Contains 2+ pure substances, physically combined with a varying ratio.

E.g. salt water

• Element

• Matter

• Mixture

• Compound

Define pure substance

Characteristics of a substance that you can easily observe or measure without changing the composition

• boiling point

• physical property

• chemical property

• melting point

Describes how a substance combines with other substances to form new chemicals or how a substance breaks down.

E.g. flammability, reactivity

• physical property

• boiling point

• chemical property

• melting point

Particles vibrate vigorously until it is reached. Particles have enough energy to partially overcome attractive forces.

• chemical property

• boiling point

• melting point

• physical property

Particle move more rapidly. They have enough energy to overcome attractive forces.

• chemical property

• melting point

• physical property

• boiling point

Define solution