Elements, Compounds, and Mixtures

Front

What is a mixture?

Back

A mixture contains 2 or more substances that are physically combined.

Front

What is an example of a mixture?

Back

A salad is an example of a mixture.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture has a uniform composition throughout, like saltwater.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture consists of visibly different substances, like a fruit salad.

Front

What are pure substances?

Back

Pure substances are materials made of only one type of particle, including elements and compounds.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

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

Front

What is a molecule?

Back

A molecule is the smallest part of a compound that retains the properties of that compound.

Front

What is the difference between an element and a compound?

Back

An element is a single type of atom, while a compound consists of two or more different types of atoms chemically bonded.

Front

Can mixtures be separated?

Back

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