ATOMS

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What particles make up an atom?

Back

An atom is made up of protons, neutrons, and electrons.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

Front

Where are electrons located in an atom?

Back

Electrons move around the nucleus in electron shells.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (it is neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in an atom.

Front

What is a compound?

Back

A compound is a substance made of two or more different elements that are chemically bonded together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms.