Which bond is more polar? a) H - CH_3 or Cl - CH_3? b) H - OH or H - H? c) H - Cl or H - F? d) Cl - Cl or cl - CH_3? Considering a molecule of water, a hydronium ion, and a hydroxide ion: a. Which atom bears formal negative charge in the hydroxide ion? b. Which atom has the greater electron density in the hydroxide ion? c. Which atom bears the formal positive charge in the hydronium ion? d. Which atom has the least electron density in the hydronium ion? Give each atom the appropriate formal charge. Change the following condensed structures to Kekule structures. a) CH_3 NH(CH_2)_2 CH_3 b) (CH_3)_2 CHCl c) (CH_3)_3 CBr d) (CH_3)_3 C (CH_2)_3 CHO Put a number in each of the blanks. a. _____ s orbital and _____ p orbitals form ____ sp^3 orbital. b. ____ s orbital and ____ p orbitals form _____ sp^2 orbital. c. _____ s orbital and _____ p orbitals form _____ sp orbital.