Braving the ElementsThese brain teasers rely on your ability to recognize groups of common attributes. For each of these puzzles you'll need to figure out why the words or letters are grouped as they are. Sometimes you will be asked to pick the odd-one-out or to place a new word into the correct group.
Which element in Group B can be added to Group A? Why?
Group A: Iridium, Vanadium, Xenon, Lanthanum, Carbon, Dysprosium
Group B: Radon, Barium, Uranium, Platinum, Manganese, Phosphorus
AnswerThe first letter of each element in Group A is a Roman numeral. Thus, Manganese can be added to Group A.
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