Matter Flashcard #3

Front

What is the best way to separate salt from water?

Back

Heat is the best way to separate salt from water.

Front

What is Aluminum (Al)?

Back

Aluminum (Al) is an element.

Front

What do we call two or more substances in the same place but NOT chemically combined?

Back

This is called a mixture.

Front

What is the difference between a compound and a mixture?

Back

A mixture is created through a physical change and a compound is created through a chemical change.

Front

What physical property causes a suspension to separate into layers?

Back

Density causes a suspension to separate into layers.

Front

Define 'element'.

Back

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

Front

Define 'compound'.

Back

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

Front

What is a 'mixture'?

Back

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

Front

What is 'density'?

Back

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

Front

What is 'solubility'?

Back

Solubility is the ability of a substance to dissolve in a solvent.