Elements, Compounds, Mixtures Review

Front

What is the smallest and basic particle of a pure substance?

Back

atom

Front

How would we classify air in the classification of matter?

Back

homogeneous mixture

Front

Is water (H2O) a mixture or a pure substance?

Back

Because water molecules all have a consistent ratio of hydrogen to oxygen, it is a pure substance.

Front

What is an example of a heterogeneous mixture?

Back

salad

Front

What is a chemical reaction?

Back

A change in matter when the molecules rearrange to make new molecules.

Front

What is an element?

Back

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

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

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

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 consists of visibly different substances or phases.