MAPPING YOUR MIND negatively charged positively charged non charged ELECTRONS PROTONS NEUTRONS HOMOGENEOUS M. ATOMS ELEMENTS HETEROGENEOUS M. MIXTURES MOLECULES COMPOUNDS MATTER SOLIDS LIQUIDS GASES may melt into may vaporize into may freeze into may condense into PLASMAS fixed volume fixed volume no fixed volume rigid shape take shape of container no definite shape not compressible not compressible compressible BOSE-EINSTEIN CONDENSATES