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The effect of lanthanoid contraction in the lanthanoid series of elements by and large means : (1) increase in both atomic and ionic radii (2) decrease in both atomic and ionic radii (3) decrease in atomic radii and increase in ionic radii (4) increase in atomic radii and decrease in ionic radii |
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Answer» Correct option: (2) decrease in both atomic and ionic radii Explanation: The effect of lanthanoid contraction is overall decrease in atomic & ionic radii from lanthanum to lutetium. |
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