Answer:
36. (d)
38. (c)
Explanation:
36. Calcium is a metal. Chlorine is a nonmetal. So they form an ionic bond.
Calcium ions have a +2 charge. Chlorine ions have a -1 charge. So there are two Cl atoms per Ca atom.
(d) CaCl₂, ionic
38. Noble gases are elements found on the far right side of the periodic table (helium, neon, argon, krypton, xenon, etc.)
(c) Ne, Ar, Kr
