B. In, Ti, I, Xe
C. Co, Er, Cl, He
Answers: 2
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You know the right answer?
Which set contains a METALLOID
A. Li, Fe, O, Ne
B. In, Ti, I, Xe
C. Co, Er, Cl, He
B. In, Ti, I, Xe
C. Co, Er, Cl, He
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