Elements, Compounds, and Mixtures

Front

What is a heterogeneous mixture?

Back

A mixture that does not have a uniform composition, meaning the different components can be easily distinguished.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, where the different components are not easily distinguishable.

Front

What is a pure substance?

Back

A material that has a constant composition and consistent properties throughout, which can be either an element or a compound.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together in a fixed ratio.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means, consisting of only one type of atom.

Front

Give an example of a compound.

Back

Table Salt (NaCl) is a compound made from sodium and chlorine.

Front

Give an example of an element.

Back

Diamonds (C) are an example of an element, consisting only of carbon atoms.

Front

What is steel classified as?

Back

Steel is classified as a homogeneous mixture because it has a uniform composition.

Front

What are the characteristics of a heterogeneous mixture?

Back

In a heterogeneous mixture, the components are not evenly distributed, and different parts of the mixture can have different compositions.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed from two or more elements chemically bonded, while a mixture is a combination of two or more substances that retain their individual properties.