(C) IF4+ shape octahedral 00 seesaw square pyramidal tetrahedral trigonal pyramidal X hybridization 60 90 109.5 120 X ideal bond angle(s) deviation from ideal angle(s) < 60 < 90 < 109.5 < 120 none (d) AsCl4 shape octahedral seesaw square pyramidal tetrahedral trigonal pyramidal hybridization sp3d 60 90 109.5 120 deviation from ideal angle(s) < 60 < 90 < 109.5 < 120 none ideal bond ar X