Atoms and Elements

Front

What is an atom?

Back

The smallest unit of a material that cannot be seen without magnification.

Front

What determines the type of element an atom is?

Back

The number of protons in the atom.

Front

What are the two types of particles found in an atomic nucleus?

Back

Protons and neutrons.

Front

What would happen if the strong force didn't exist?

Back

Atomic nuclei would fly apart.

Front

What is a compound?

Back

A molecule formed from two or more different types of atoms.

Front

What is the nucleus of an atom?

Back

The center of an atom, made up of protons and neutrons.

Front

What charge do protons have?

Back

Protons have a positive charge.

Front

What charge do neutrons have?

Back

Neutrons have no charge (they are neutral).

Front

What charge do electrons have?

Back

Electrons have a negative charge.

Front

What is the role of electrons in an atom?

Back

Electrons orbit the nucleus and are involved in chemical bonding.