Elements, Compounds and Mixtures

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together in a fixed ratio, resulting in new chemical properties.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and retain their individual properties.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, meaning the different components are not distinguishable.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the different components can be seen and are not uniformly distributed.

Front

Give an example of an element.

Back

Oxygen (O) is an example of an element.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound.

Front

Give an example of a homogeneous mixture.

Back

Saltwater is an example of a homogeneous mixture.

Front

Give an example of a heterogeneous mixture.

Back

A salad is an example of a heterogeneous mixture.

Front

What is the difference between a compound and a mixture?

Back

A compound is made of two or more elements chemically bonded together, while a mixture is a physical combination of substances that retain their individual properties.