Elements, Compounds and Mixtures

Front

What is a compound?

Back

A compound is a substance formed when two or more elements combine chemically.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is an element?

Back

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

Front

What is sugar?

Back

Sugar is a compound made up of carbon, hydrogen, and oxygen.

Front

What is gold?

Back

Gold is an element, represented by the symbol Au on the periodic table.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed, such as orange juice with pulp.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are evenly distributed, such as saltwater.

Front

What happens when two or more elements combine chemically?

Back

They form a compound.

Front

Can a mixture be separated by physical means?

Back

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

Front

What is an example of a compound?

Back

Water (H2O) is an example of a compound.