Hint
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Answer
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Polonium, Lawrencium, Iodine, Titanium
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Po, Lr, I, Ti
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Vanadium, Arsenic, Uranium
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V, As, U
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Plutonium, Germanium, Radium
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Pu, Ge, Ra
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Lead, Neon, Molybdenum, Aluminum
|
Pb, Ne, Mo, Al,
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Gold, Antimony, Silicon
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Au, Sb, Si
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Lithium, Titanium, Sulfur, Bismuth
|
Li, Ti, S, Bi
|
Radium, Sulfur, Calcium, Actinium
|
Ra, S, Ca, Ac
|
Gallium, Indium, Phosphorus, Osmium, Rhenium
|
Ga, In, P, Os, Re
|
Potassium, Manganese, Silicon
|
K, Mn, Si
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Niobium, Argon, Calcium, Erbium
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Nb, Ar, Ca, Er
|
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