ckboard X CO QUESTION 6 x Alkali metals tend to be more reactive than alkaline earth metals because a. alkali metals have lower densities b. alkali metals have greater electron affinities c. alkali metals have lower ionization energies d. alkali metals are not more reactive than alkaline earth metals e. alkali metals have lower melting points QUESTION 7 Place the following atoms in order of increasing atomic radii: K. Na. Be, and Li? a Be K Na Li b. Li Be Na K c. Li Na K Be d Be Li Na K eK Na Li Be QUESTION 8 Choose the species below which would be paramagnetic a o²- Cd2+ b. c. CI d Zn e Ca