CHEMISTRY!!!

By: Alyssa Slayden

Physical Properties Definition and Examples

A basic or essential attribute shared by all members of a class

Examples

1)Color

2)Smell

3)Freezing Point

4)Melting Point

Chemical Properties Definition and Examples

A property used to characterize materials in reactions that change their identities

Examples

1)Oxidation

2)Flammability

3)Reactivity

4)Stability

Physical Changes Definition and Examples

A change from one state to another without changing chemical composition

Examples

1)Smash

2)Melt

3)Cut

4)Freeze

Chemical Changes Definition Examples

Any process determined by the atomic and molecular composition and structure of the substances involved

1)Burning

2)Dissolving

3)Digestion

4)Explosion

Reactant- Starting material in a chemical reaction

Product- a substance that is formed as the result of a chemical reaction

Chemical Reaction- H2+O2= Water


Law Of Conservation Of Mass

Law of Conservation of Mass is a relation stating that in a chemical reaction, the mass of the products equals the mass of the reactants