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STD 11 - 3. Classification of elements and periodicity in properties — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 3. Classification of elements and periodicity in properties4 Marks
Question
If $M^{+3}$ has configuration $[Ar]3d^{10}$ then $M$ belongs to :-
✓

Answer

b
$M^{+3}=[\mathrm{Ar}] 3 \mathrm{d}^{10}$

$M=[\mathrm{Ar}] 3 \mathrm{d}^{10} 4 \mathrm{s}^{2} 4 \mathrm{p}^{1}$

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