Atoms & Molecules

Front

What is an atom?

Back

The basic unit of matter and the smallest particle of an element.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

How many atoms can there be in a molecule?

Back

From just 2 to thousands of atoms.

Front

What are elements made of?

Back

One type of atom.

Front

What is the smallest particle of an element?

Back

An atom.

Front

What is all matter made of?

Back

Atoms.

Front

What is the total number of atoms in an ammonia (NH3) molecule?

Back

4.

Front

What is a compound?

Back

A substance made of two or more different types of atoms bonded together.

Front

What is the periodic table?

Back

A chart that organizes all known elements by their properties.

Front

What is the difference between an atom and a molecule?

Back

An atom is a single particle, while a molecule is made up of two or more atoms.