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Question
Which graph represents the correct trend in atomic radii of transition elements?
Which graph represents the correct trend in atomic radii of transition elements?
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Solution
The correct option is A
The atomic radius increases down the group. The atomic radii of second (4d) series is larger than those of the first transition series. But the atomic radii of the second (4d) and third (5d) transition series are almost the same due to lanthanoid contraction.
The atomic radius increases down the group. The atomic radii of second (4d) series is larger than those of the first transition series. But the atomic radii of the second (4d) and third (5d) transition series are almost the same due to lanthanoid contraction.
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