1. tellurium
2. They have the same size.
3. indium
4. Unable to determine
2. They have the same size.
3. indium
4. Unable to determine
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Indium is larger. In general, atomic radius decreases as you move across the same period.
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The atom with the larger atomic radius is Indium. Remember, the trend for atomic size goes from right to left for atoms in the same period (excluding the noble gases like neon, argon, etc.)