Elements, Compounds, Mixtures and Solutions

Front

What is a mixture?

Back

A combination of two or more substances where each substance retains its own properties.

Front

What is a compound?

Back

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

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a solution?

Back

A homogeneous mixture where one substance (solute) is dissolved in another (solvent).

Front

What is the difference between heterogeneous and homogeneous mixtures?

Back

Heterogeneous mixtures have visibly different parts, while homogeneous mixtures are uniform in composition.

Front

How can you separate a mixture of sand and salt?

Back

Mix them with water, pour the mixture through a filter, and allow the water to evaporate.

Front

Which of the following is not a mixture?

Back

Water in a glass.

Front

If you boil away water from a saltwater solution, what remains?

Back

The salt will remain in the cup.

Front

What is an example of a heterogeneous mixture?

Back

A salad, where you can see the different ingredients.

Front

What is an example of a homogeneous mixture?

Back

Saltwater, where the salt is evenly distributed in the water.