Atoms & Mixtures

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a compound?

Back

A substance formed when two or more different types of atoms bond together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

Are all compounds molecules?

Back

Yes, all compounds are also molecules because they are made up of atoms.

Front

Can a mixture be separated by physical means?

Back

Yes, mixtures can be separated by physical methods such as filtration or distillation.

Front

What does it mean for atoms to combine?

Back

Atoms combine to form molecules through chemical bonds.

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.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, such as saltwater.

Front

What is a heterogeneous mixture?

Back

A mixture that does not have a uniform composition, such as a salad.