Unit 7 Review

Are made from a combination of 2 or more elements

• Molecules

• Pure substances

• Compounds

• Elements

A mixture that is NOT evenly distributed is called

• Compound

• Homogeneous

• Heterogeneous

• Salty

Substance with atoms that are all alike

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

A mixture that is so evenly mixed you can't see the parts. Such as Kool-Aid

• Homogeneous

• Heterogeneous

• Pure substance

A physical property can be observed __________ a chemical reaction

• During

• Without

A chemical property can be observed __________ a chemical reaction

• During

• Without

Solubility, the ability to dissolve, is a --- property.

• Chemical

• Physical

Reactivity (bubbling, fizzing) is a --- property.

• Chemical

• Physical

Combustion or exploding, is a --- property.

• Chemical

• Physical

Decay or rotting of a substance is a ---- property.

• Chemical

• Physical