Bonding Review 1 H 2.1 3 4 5 6 7 8 9 Li Be B C N O F 1.0 1.5 2.0 2.5 3.0 3.5 4.0 11 12 13 14 15 16 17 Na Mg Al Si P S Cl 1.0 1.2 1.5 1.8 2.1 2.5 3.0 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br 0.9 1.0 1.3 1.4 1.5 1.6 1.6 1.7 1.7 1.8 1.8 1.6 1.7 1.9 2.1 2.4 2.8 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I 0.9 1.0 1.2 1.3 1.5 1.6 1.7 1.8 1.8 1.8 1.6 1.6 1.6 1.8 1.9 2.1 2.5 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At 0.8 1.0 1.1 1.3 1.4 1.5 1.7 1.9 1.9 1.8 1.9 1.7 1.6 1.7 1.8 1.9 2.1 87 88 89 Fr Ra Ac 0.8 1.0 1.1 Ionic > 1.7 (symbolized as A+ and Z-) X Polar Covalent 1.7 > .5 (symbolized as A+ and Z-) X Pure Covalent < .5 (no charges) X
Bonding Review 1 H 2.1 3 Li 1.0 4 Be 1.5 5 B 2.0 6 C 2.5 7 N 3.0 8 O 3.5 9 F 4.0 11 Na 1.0 12 Mg 1.2 13 Al 1.5 14 Si 1.8 15 P 2.1 16 S 2.5 17 Cl 3.0 19 K 0.9 20 Ca 1.0 21 Sc 1.3 22 Ti 1.4 23 V 1.5 24 Cr 1.6 25 Mn 1.6 26 Fe 1.7 27 Co 1.7 28 Ni 1.8 29 Cu 1.8 30 Zn 1.6 31 Ga 1.7 32 Ge 1.9 33 As 2.1 34 Se 2.4 35 Br 2.8 37 Rb 0.9 38 Sr 1.0 39 Y 1.2 40 Zr 1.3 41 Nb 1.5 42 Mo 1.6 43 Tc 1.7 44 Ru 1.8 45 Rh 1.8 46 Pd 1.8 47 Ag 1.6 48 Cd 1.6 49 In 1.6 50 Sn 1.8 51 Sb 1.9 52 Te 2.1 53 I 2.5 55 Cs 0.8 56 Ba 1.0 57 La 1.1 72 Hf 1.3 73 Ta 1.4 74 W 1.5 75 Re 1.7 76 Os 1.9 77 Ir 1.9 78 Pt 1.8 79 Au 1.9 80 Hg 1.7 81 Tl 1.6 82 Pb 1.7 83 Bi 1.8 84 Po 1.9 85 At 2.1 87 Fr 0.8 88 Ra 1.0 89 Ac 1.1 Ionic X > 1.7 (symbolized as A+ and Z-) Polar Covalent 1.7 > X .5 (symbolized as A+ and Z-) Pure Covalent X < .5 (no charges)
2014_2015_cp_chem_fnal_review_guide.docx