Classification of Matter

Front

What is a mixture?

Back

A combination of two or more substances that can be separated by physical processes.

Front

Which of the following is an element?

Back

Oxygen is an element.

Front

What are atoms?

Back

Atoms are the smallest unit of an element that maintains the properties of that element.

Front

How is matter categorized?

Back

Matter is categorized as a pure substance or mixture.

Front

What is a pure element?

Back

A pure element is a substance that consists of only one type of atom, like a gold bar.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.

Front

What is a compound?

Back

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

Front

What is the difference between homogeneous and heterogeneous mixtures?

Back

Homogeneous mixtures have a uniform composition, while heterogeneous mixtures have a non-uniform composition.

Front

Can mixtures be separated?

Back

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

Front

What is an example of a homogeneous mixture?

Back

Saltwater is an example of a homogeneous mixture.