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Chemistry · Classification of Elements and Periodicity in Properties

हिन्दी

Based on Table 3.6(a) for atomic radii across the second period, which element has the largest atomic radius?

  1. Fluorine (\( \text{F} = 64\text{ pm} \))
  2. Beryllium (\( \text{Be} = 111\text{ pm} \))
  3. Lithium (\( \text{Li} = 152\text{ pm} \))
  4. Carbon (\( \text{C} = 77\text{ pm} \))

Correct answer · Option 3

Lithium (\( \text{Li} = 152\text{ pm} \))

Explanation

Atomic radius decreases across a period, so lithium (\( \text{Li} \)) at the beginning of the second period has the largest radius (\( 152\text{ pm} \)).
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