Question:

The number of elements present in the d-block of the periodic table is:

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d-block elements are from group 3 to 12.
Updated On: Mar 23, 2026
  • 40
  • 41
  • 45
  • 46
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The Correct Option is A

Solution and Explanation


Step 1:
There are four complete d-series.
Step 2:
Each series contains 10 elements. \[ 4\times10 = 40 \]
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