Identifying Elements and Molecules Gallery Walk

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together. It can consist of the same or different types of atoms.

Front

What is the smallest unit of an element?

Back

The smallest unit of an element is an atom.

Front

What are atoms?

Back

Atoms are the basic building blocks of matter. They are the smallest units of an element that retain the properties of that element.

Front

Can a molecule be made up of the same type of atoms?

Back

Yes, a molecule can be made up of the same type of atoms, such as O2 (oxygen gas), which consists of two oxygen atoms.

Front

What is the difference between an element and a molecule?

Back

An element is a single type of atom, while a molecule is a combination of two or more atoms.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together, such as H2O (water).

Front

What is the smallest particle of a compound?

Back

The smallest particle of a compound is a molecule.

Front

What is the relationship between atoms and molecules?

Back

Atoms are the building blocks of molecules. Molecules are formed when two or more atoms bond together.

Front

What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a molecule. It can be ionic or covalent.