2 electron energy rich regions has what: molecular geometry? bond angle(s)? hybridization?
linear, 180, sp
3 electron energy rich regions has what: molecular geometry? bond angle(s)? hybridization?
trigonal planar, 120, sp2
4 electron energy rich regions has what: molecular geometry? bond angle(s)? hybridization?
tetrahedral, 109.5, sp3
5 electron energy rich regions has what: molecular geometry? bond angle(s)? hybridization?
trigonal bipyramidal, 90, 120, or 180, sp3d
6 electron energy rich regions has what: molecular geometry? bond angle(s)? hybridization?
octahedral, 90 or 180, sp3d2
A molecule with 3 electron energy rich regions, one of them being a lone pair, has what molecular geometry?
angular bent
A molecule with 4 electron energy rich regions, one of them being a lone pair, has what molecular geometry?
trigonal pyramidal
A molecule with 4 electron energy rich regions, two of them being a lone pair, has what molecular geometry?
angular bent
A molecule with 5 electron energy rich regions, one of them being a lone pair, has what molecular geometry?
seesaw
A molecule with 5 electron energy rich regions, two of them being a lone pair, has what molecular geometry?
T shape
A molecule with 5 electron energy rich regions, three of them being a lone pair, has what molecular geometry?
linear
A molecule with 6 electron energy rich regions, one of them being a lone pair, has what molecular geometry?
square pyramidal
A molecule with 6 electron energy rich regions, two of them being a lone pair, has what molecular geometry?
square planar
A molecule with 6 electron energy rich regions, three of them being a lone pair, has what molecular geometry?
T shape
A molecule with 6 electron energy rich regions, four of them being a lone pair, has what molecular geometry?
linear
resonance structures
O3, NO2-, NO3-, CO3--, RCOOH, C6H6, SO2, SO3
double bonds
O2, CO2, C2H4, CH2O
triple bonds
N2, HCN, C2H2