1. Which one of the following Lewis structures is definitely incorrect?

17. According to VSEPR theory, a molecule with the general formula AX2E3 will have a _____ molecular shape.
A. bent
B. linear
C. trigonal planar
D. T-shaped
E. trigonal pyramidal

18. According to VSEPR theory, a molecule with the general formula AX3E2 will have a _____ molecular shape.
A. trigonal pyramidal
B. trigonal bipyramidal
C. trigonal planar
D. T-shaped
E. see-saw

23. What is the molecular shape of ClF2- as predicted by the VSEPR theory?
A. linear
B. bent
C. see-saw
D. T-shaped
E. L-shaped

39. (8+4)/2= 6
sp3d2

40. (4+5-(-1))/2= 5
sp3d

55. b c