Brain Teasers
Scientific Method
Group
These 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.Group
There is a scientific method to determining what these words have in common. Can you figure it out?
NO
OF
SIPS
ARK
GAGE
LACE
HOER
NO
OF
SIPS
ARK
GAGE
LACE
HOER
Hint
These words all come from a table. Not all of the letters should be capitalized.Answer
These words can be made by combining the symbols for consecutive elements (by atomic number) in the periodic table:NO = nitrogen(N)/oxygen(O)
OF = oxygen(O)/fluorine(F)
SIPS = silicon(Si)/phosphorus(P)/sulfur(S)
ARK = argon(Ar)/potassium(K)
GAGE = gallium(Ga)/germanium(Ge)
LACE = lanthanum(La)/Cerium(Ce)
HOER = Holmium(Ho)/Erbium(Er)
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