Substances & Mixtures

Front

What is a homogeneous mixture?

Back

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

Front

Is a fruit salad a homogeneous mixture?

Back

No, a fruit salad is a heterogeneous mixture because the individual fruits can be seen and separated.

Front

What is a molecule?

Back

A molecule is composed of two or more atoms held together by chemical bonds.

Front

What is an element?

Back

An element is a substance that is made up of only one kind of atom.

Front

What is a substance?

Back

A substance is a form of matter that has a uniform and definite composition.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each retains its own properties and can be separated by physical means.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

Can mixtures be separated by physical means?

Back

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

Front

What is the difference between a substance and a mixture?

Back

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

Front

Give an example of a homogeneous mixture.

Back

An example of a homogeneous mixture is saltwater, where the salt is completely dissolved in the water.