PS Unit 6 - Ch 2 Matter & Ch 3.2 Gas Laws

a substance that cannot be separated or broken down into simpler substance by chemical means; all atoms the same type.

• compound

• element

• mixture

the temperature and pressure at which a liquid becomes a gas

• melting point

• freezing point

• boiling point

• condensation point

Coffee with cream is an example of this.

• mixture

• compound

• element

• matter

Oxygen or table salt are examples of this.

• pure substance

• reactivity

• atom

• molecule

the capacity of a substance to combine chemically with another substance.

• pure substance

• reactivity

• atom

• molecule

the smallest particle of a substance that has all of the chemical properties of that substance; made up of one atom or two or more atoms bonded together.

• atom

• molecule

• mixture

• compound

the ratio of the mass of a substance to the volume of the substance (M/V = ?).

• matter

• reactivity

• density

• chemical change

the change of matter from one form to another without a change in chemical properties.

• chemical change

• physical change

• molecule

• matter

a sample of matter, either a single element or a single compound, that has definite chemical and physical properties.

• reactivity

• molecule

• pure substance

• compound

a combination of two or more substances that are not chemically combined.

• element

• compound

• mixture