1.1 Matter
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Matter - Anything that has mass and occcupies space
States (or Phases) of Matter - solid, liquid gas
Solids – have definite shape and volume
Liquids – have definite volume but not shape
Gases – no definite shape nor volume
Elements - a substance that can't be broken down into a simpler substance (Na, Si, H2, S8)
Diatomics - H2, N2, O2, F2, Cl2, Br2, I2
Compounds - a substance composed of more than one element (CO2, NaCl, NaHCO3)
Pure Substances - Any single element OR any single compound
Mixtures - More than one substance (element AND/OR compound)
Homogeneous Mixture - A mixture with uniform composition throughout
Heterogeneous Mixtures - A mixture lacking uniform composition
Chemical Property/Change
Chemical change – a change that involves the conversion of at least one substance into a different substance
Physical Property/Change
Physical change – a change in which no substances are converted into different substances
Intensive Property - A property independent of sample size
Extensive Property - A property dependent upon sample size