P8 Elements Compounds and Mixtures

Front

What are the two types of mixtures?

Back

Homogeneous and Heterogeneous.

Front

Elements and compounds are classified as ___?

Back

Pure substances.

Front

Which of the following is not a compound: HCl, Cl, NaCl, CO2?

Back

Cl.

Front

A pure substance can be either an element or a ______________?

Back

Compound.

Front

Two substances physically combined and appearing the same throughout is classified as...?

Back

A homogeneous mixture.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A mixture that has a non-uniform composition.

Front

Define an element.

Back

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

Front

Define a compound.

Back

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

Front

What is the difference between a pure substance and a mixture?

Back

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