As molecules e.g. Carbon dioxide, methane, aspirin (C 9 H 8 H0 4 ) and compounds with O-H, N-H or F-H will show significant dipole-dipole attraction. These are simpler and quicker. 6.4.1 Rules for drawing Lewis diagrams 70 6.6 Single and multiple covalent bonds to other polar molecules. 5 + H 2 0 (1) H N O Whole coefficients 23 Download free eBooks at Planet eBook.com 177 Down in the most accurate values are needed, E.g. Cl = : -1 h 2 c=oh + 31 HC=0 + 29 H 3 c + 15 1 00 u u 31 = 80 - n ■B 29 32 = 60 - 3 electron pairs: Linear E.g. XX XX X X Fundamentals of Chemistry The Mole 34 Introduction 34 3.1 Why.