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NEETChemistryd and f Block Elements

What happens to the atomic radii when comparing the first (3d) to the second (4d) series of elements?

Options

  1. AThe atomic radii decrease.
  2. BThe atomic radii remain the same.
  3. CThe atomic radii increase.
  4. DThe atomic radii vary unpredictably.

Correct answer

C. The atomic radii increase.

Step-by-step solution

Its show an increase in atomic radii from the first (3d) to the second (4d) series of elements.

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