Science - Atoms, Elements, Molecules and Compounds

Front

What is an atom?

Back

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

Front

What are the three main particles of an atom?

Back

Protons, neutrons, and electrons.

Front

What charge do protons have?

Back

Protons have a positive charge.

Front

What charge do electrons have?

Back

Electrons have a negative charge.

Front

What charge do neutrons have?

Back

Neutrons have no charge.

Front

Where are protons and neutrons located in an atom?

Back

Protons and neutrons are located in the nucleus of the atom.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is a compound?

Back

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

Front

Give an example of an element.

Back

Oxygen (O) is an example of an element.

Front

What is the difference between a molecule and a compound?

Back

A molecule can be made of the same or different types of atoms, while a compound is made of different types of atoms.