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D and F Block Elements question

2002 · Q104
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D and F Block Elements question

2002 · Q104

NEETChemistryD and F Block ElementsMCQ+4 / −1
An atom has electronic configuration 1s2 2s2 2p6 3s2 3p6 3d3 4s2, you will place it in
  1. A
    fifth
  2. B
    fifteenth
  3. C
    second
  4. D
    third.
View written solutionFree

Correct answer: A

Given electronic configuration of atom 1s2 2s2 2p6 3s2 3p6 3d3 4s2.

In the configuration, the last electron of the atom is filled in d sub-shell as 3d3. Thus this element belongs to d-block of the periodic table with group no. V.

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