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Verbal Reasoning — Classification (odd-one-out): Identify the one option that does not belong to the same category as the others. Use naming pattern/chemical classification to spot the outlier. Choose the word which is different from the rest.

Difficulty: Easy

Potassium
Silicon
Zirconium
Gallium
Germanium

Correct Answer: Silicon

Explanation:

Given data

Elements: Potassium, Silicon, Zirconium, Gallium, Germanium.

Concept / ApproachCheck for a consistent naming pattern and broad type.

ObservationPotassium, Zirconium, Gallium, Germanium → element names ending with “-ium”.Silicon → the only one not ending with “-ium”.

Additional noteSilicon is also a metalloid, while at least two others (Potassium, Gallium, Zirconium) are metals, reinforcing its distinctness.

Final AnswerSilicon

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