Nature of Matter (DL)

Front

What is matter?

Back

Anything that takes up space and has mass.

Front

What is the periodic table?

Back

A chart that arranges all the known elements in order of increasing atomic number.

Front

What is a chemical formula?

Back

An expression that uses letters and numbers to describe the chemical makeup of a pure substance.

Front

What are pure substances?

Back

Types of matter that are made up of only one type of particle or basic unit, such as atoms of one element or molecules of one chemical compound.

Front

What is an atom?

Back

The smallest particle of an element.

Front

What are elements?

Back

Substances that consist of only one type of atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Front

What is the difference between a mixture and a pure substance?

Back

A mixture contains two or more different substances that are not chemically combined, while a pure substance has a uniform and definite composition.

Front

What is an example of a chemical change?

Back

Rust forming on iron.