Classifying Matter

Front

What is a homogeneous mixture?

Back

A type of mixture where the components are evenly distributed and cannot be distinguished from one another, such as saltwater.

Front

What is a heterogeneous mixture?

Back

A mixture where the components are not evenly distributed and can be easily distinguished, such as a salad.

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout, such as elements and compounds.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together, such as carbon dioxide (CO2).

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means, such as oxygen (O).

Front

What is the difference between a pure substance and a mixture?

Back

A pure substance has a uniform and definite composition, while a mixture contains two or more substances that retain their individual properties.

Front

What is an example of a homogeneous mixture?

Back

An example is vinegar, where the components are uniformly mixed.

Front

What is an example of a heterogeneous mixture?

Back

An example is a bowl of cereal with milk, where the components can be seen and separated.

Front

What is the process of distillation?

Back

A method used to separate components of a mixture based on differences in boiling points.

Front

What is the significance of the periodic table?

Back

It organizes all known elements based on their atomic number and properties, helping to understand their relationships.