chemistry

Chapter 2: Matter and Energy

Matter:

Mass and volume- any physical object

Solid

Liquid

Gas

Constant shape and volume, particles vibrate in fixed positions, particles close.

Shape dependant on container, constant volume, independant particle movement beneath the surface, particles close.

Variable shape and volume, independent particle movement, particles very far apart.

States of matter

Properties of Matter

Physical Properties

Chemical Properties

Characteristics that can be observed and

measured without altering the identity of the substance.

Characteristics of a substance that is observed

during a reaction in which chemical composition and identity changes.

Pure Substance (compound)

Impure Substance

(mixture)