Write a Lewis structure for each substance. Within each group, compare

(i) Number of electrons,

(ii) Charges on atoms, if any,

(iii) Nature of all bonds, and

(iv) Geometry.

(a) Chlorine atom, CI, and chloride ion, CI-

(b) Borane, BH3, and phosphine, PH3

(c) CF4 and BrF4- (C and Br are in the middle)

(d) Nitrogen dioxide, NO2, and nitrite ion, NO2- (nitrogen is in the middle)

(e) NO2, SO2, and C1O2 (N, S, and CI are in the middle)