From the following list of elements-Ar, H, Ga, Al, Ca, Br, Ge, K, O-pick the one that

Question:

From the following list of elements-Ar, H, Ga, Al, Ca, Br, Ge, K, O-pick the one that best fits each description. Use each element only once:
(a) An alkali metal
(b) An alkaline earth metal
(c) A noble gas
(d) A halogen
(e) A metalloid
(f) A nonmetal listed in group 1A
(g) A metal that forms a ion
(h) A nonmetal that forms a 2- ion
(i) An element that resembles aluminum.