Which of the following has the highest atomic radius in its period?
Correct answer: B. Alkali metals
- A. Alkaline earth metals
- B. Alkali metals
- C. Chalcogens
- D. Halogens
Explanation
The correct answer is indeed B, alkali metals. Among the options provided, the alkali metals, specifically cesium (Cs), have the highest atomic radius in their respective periods. Cesium has the largest atomic radius among all the alkali metals.
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