Pure Substances vs. Mixtures

Front

What is the building block of matter?

Back

Atom

Front

How can compounds be changed into simpler substances?

Back

By chemical changes.

Front

What best describes a pile containing both iron and sulfur when a magnet is placed near it?

Back

It is a heterogeneous mixture of iron and sulfur that can be separated by magnetism.

Front

Ocean water is a __________ mixture.

Back

Homogeneous.

Front

True or False: A homogeneous mixture has the same composition of particles throughout.

Back

True.

Front

What is a pure substance?

Back

A material made of only one type of particle, which can be an element or a compound.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has a non-uniform composition.

Front

Give an example of a homogeneous mixture.

Back

Saltwater.

Front

Give an example of a heterogeneous mixture.

Back

Salad.