28) which o the following molecules has a trigonal bipyramidal electron geometry around the central atom, and a see-saw molecular geometry?

a) SF6

b) PF5

c) PF3

d) BrF5

e) none of the above

27) Which of the molecule has a tetrahedral electron geometry around the central atom, and a bent molecular geometry?

a) NF3

b) CF4

c) CS2

d) OF2

e) none of the above