5) Which of the following combinations are correct?
a) is nonpolar, RbF is ionic, HCl is polar, CO is polar, SeS is nonpolar
b) Lais polar, RbF is ionic, HCl is polar, CO is polar, SeS is nonpolar
c) Lis nonpolar, RbF is polar, HCl is polar, CO is nonpolar, SeS is nonpolar
d) I is nonpolar, RbF is ionic, HCl is polar, CO is nonpolar, SeS is nonpolar

6) Which of the following are all diatomic molecules?
a) H₂, Cl₂, and F₂
C. C₂. O₂, and F₂
b) N2, S2, and O₂
d. Br2, I2, and B2