OCR A chemistry 2.2.2 bonding and structure

OCR A chemistry 2.2.2 bonding and structure How can a molecule be nonpolar but contain polar bonds? - correct answerssymmetrical so dipoles cancel out How do you draw hydrogen bonding diagram? - correct answersinclude partial charges include lone pairs on ( N, O, F ) h bond parallel to other bonds What are permanent dipole dipole interactions? - correct answerselectrostatic forces of attraction between polar molecules What are the 2 anomalous properties of water? - correct answersice is less dense than water as the molecules are held apart by hydrogen bonds in an open lattice ice has a high mp. due to strong H bonds What are the strongest to weakest IMFs? - correct answershydrogen bonding pdd london ( london can become stronger than the other