Structure of Water Electronegativity-->
Structure of Water
Electronegativity--> Oxygen(3.5) vs. hydrogen (2.1), the Bond is very polar covalent.
Water shape is a bent or angular molecule with a bond angle of 105o is a highly polar molecule due to the asymmetrical distribution of charge.
Molecule Polarity Movie
Hydration of Ionic Solute Molecules
Positive ions attracted to the oxygen end of water
Negative ions attracted to the hydrogen end of water
Dissolution of NaCl in Water Movie
Hydration of Polar Solute Molecules
Negative end of polar solute molecules are attracted to water's hydrogen
Positive end of polar solute molecules are attracted to water's oxygen
"Like Dissolves Like"
Polar and ionic compounds dissolve in polar solvents like water
Nonpolar compounds like fats dissolve in nonpolar solvents like