Words Polar Definitions Illustrations the tendency of forming distinctive opposing charges Non-polar the lack of a dipole in a molecule Adhesion the binding of one cell to another Covalent bond a chemical bon that involves sharing electrons Ionic bond the complete transfer of valence electrons Hydrogen bond a weak bond between two molecules Cohesion sticking together alike molecules Surface tension the tension of a surface of liquid caused The attraction of particles. Capillary action the movement of a liquid along a surface Heat capacity the number of heat units to raise body temperature Solution distributed a mixture in which the two components are uniformly Solvent bSolute the liquid in which the solute is dissolve into the minor component in a solution